Unit 3 The Internet单元话题语法填空练习-2025-2026学年高一英语人教版必修第二册

Unit 3 The Internet 单元话题语法填空 Unit 3 The Internet单元话题：互联网与科技 本资料共10篇专题训练，从上到下依次按照难度分为基础语篇巩固练和重难语篇提升练 基础语篇巩固练 阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。 When it seemed that social networks could no longer surprise us, China gave birth to a new application, TikTok. It is a social network in 1 you can create and share fun music videos with your friends and followers. TikTok 2 (release) in September 2016 by ByteDance. With people of all ages 3 (love) it in 2019, the short-form video app is becoming 4 (rapid) popular around the country. In order to use the application, we will need to create 5 user account, a process that will only take a few 6 (second). On TikTok, the key is the music videos. When creating your music videos, you will be able to choose from hundreds of songs. 7 addition to being able to choose the most popular songs of the moment, users have a simple video editor to make 8 (they) videos more surprising. TikTok aims to provide video editing service for mobile users, so all operation on this app is easy and clear 9 (master). Creating videos with TikTok 10 (be) fun. Besides, we can “like” any other users’ videos, leave comments, share them with friends and so on. 【答案】 1．which 2．was released 3．loving 4．rapidly 5．a 6．seconds 7．In 8．their 9．to master 10．is 【导语】本文是一篇说明文。主要介绍短视频应用TikTok的推出背景、使用方法、功能特点及受欢迎程度。 1．考查定语从句。句意：它是一个社交网络，在上面你可以创建并与朋友和粉丝分享有趣的音乐视频。此处为关系词引导的定语从句，先行词为a social network，指物，空前有介词in，用关系代词which引导从句，构成“in which”结构，相当于where。故填which。 2．考查动词语态和时态。句意：TikTok于26年9月由字节跳动推出。此处为谓语动词，根据时间状语“in September 26”，描述过去发生的“被推出”动作，用一般过去时；且TikTok与release为被动关系，主语为单数，所以谓语动词为was released。故填was released。 3．考查非谓语动词。句意：2019年，各个年龄段的人都喜欢它，这款短视频应用在全国迅速走红。此处为with复合结构，宾语people与love为主动关系，用现在分词loving作宾语补足语。故填loving。 4．考查副词。句意：2019年，各个年龄段的人都喜欢它，这款短视频应用在全国迅速走红。此处修饰形容词popular，用rapid的副词形式rapidly，意为“迅速地”。故填rapidly。 5．考查冠词。句意：为了使用该应用，我们需要创建一个用户账户，这个过程只需要几秒钟。此处泛指“一个用户账户”，user account为可数名词单数，且user是以辅音音素开头的单词，用不定冠词a。故填a。 6．考查名词复数。句意：为了使用该应用，我们需要创建一个用户账户，这个过程只需要几秒钟。second为可数名词，结合前面的a few意为“几个”可知，应用复数形式seconds。故填seconds。 7．考查介词。句意：除了可以选择当下最流行的歌曲，用户还有一个简单的视频编辑器，让他们的视频更令人惊喜。此处为固定搭配“in addition to”，意为“除……之外”，用介词in，位于句首，首字母大写。故填In。 8．考查代词。句意：除了可以选择当下最流行的歌曲，用户还有一个简单的视频编辑器，让他们的视频更令人惊喜。此处修饰名词videos，用they的形容词性物主代词their，意为“他们的”。故填their。 9．考查非谓语动词。句意：TikTok旨在为移动用户提供视频编辑服务，所以这款应用上的所有操作都易于掌握，清晰明了。此处为固定结构“be +形容词+ to do”，用动词不定式to master，主动形式表被动含义。故填to master。 10．考查动词时态和主谓一致。句意：用TikTok创作视频很有趣。此处为谓语动词，描述客观事实，用一般现在时；主语Creating videos with TikTok为动名词短语，视为单数，所以用is。故填is。 阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。 A social media ban for children under 16 passed through the Australian Parliament on Friday, 1 (mark) a world-first law. The law will make platforms including TikTok, Facebook, Snapchat, Reddit, X and Instagram responsible for fines of up to 50 million Australian dollars for systemic (系统的) 2 (fail) to prevent children younger than 16 from holding accounts. Prime Minister Anthony Albanese said the law supports parents 3 are concerned about the harm the internet can cause to their children. “Platforms now have a social responsibility to ensure the 4 (safe) of our kids is a priority for them,” Albanese told reporters. The platforms have one year 5 (figure) out how to deal with the ban before they face the fines. Digital Industry Group Inc., 6 supporter of the platforms in Australia, 7 (say) there are still questions about the law’s impact on children, its technical details, 8 its overall reach. “The social media ban has been released and passed within a week and, as a result, no one can confidently explain 9 it will work in practice — the community and platforms are in the dark about what exactly 10 (require) of them,” DIGI managing director Sunita Bose said. 【答案】 1．marking 2．failures 3．who/that 4．safety 5．to figure 6．a 7．said 8．and 9．how 10．is required 【导语】本文是一篇新闻报道。文章主要讲述了澳大利亚通过了一项针对16岁以下儿童的社交媒体禁令，要求平台对防止儿童持有账户负责，并引发了一系列关于该法律影响的讨论。 1．考查非谓语动词。句意：周五，澳大利亚议会通过了禁止16岁以下儿童使用社交媒体的禁令，这标志着世界上第一项此类法律的诞生。句子的谓语动词为passed，设空处需填非谓语动词，结合句意可知，空处应用现在分词形式marking作结果状语，描述了通过该法案带来的结果或影响，即标志着世界上首部此类法律的诞生。故填marking。 2．考查名词复数。句意：该法律将使包括TikTok、Facebook、Snapchat、Reddit、X和Instagram在内的平台因系统性未能阻止16岁以下儿童开设账户而面临高达5000万澳元的罚款。根据句意及空前形容词“systemic (系统的)”可知，空处需填名词failure作介词for的宾语，由于这里指的是多次或多种“失败”，故用复数形式failures。故填failures。 3．考查定语从句。句意：澳大利亚总理安东尼·阿尔巴尼斯说，这项法律支持那些担心互联网会对孩子造成伤害的父母。空格处引导定语从句，修饰先行词parents，指人，且在从句中作主语，需用关系代词who/that引导。故填who/that。 4．考查名词。句意：阿尔巴尼斯告诉记者：“平台现在承担着社会责任，要确保我们孩子的安全成为他们的首要任务。”根据句意及空前定冠词the可知，设空处需填名词safety“安全”作ensure的宾语，不可数名词。故填safety。 5．考查非谓语动词。句意：这些平台有一年时间来想出如何应对禁令，否则将面临罚款。‌have some time to do‌表示“有做某事的时间”，故空处应用不定式to figure作后置定语，修饰名词 one year。故填to figure。 6．考查冠词。句意：Digital Industry Group Inc.是这些平台在澳大利亚的支持者之一，表示该法律对儿童的影响、其技术细节以及其总体覆盖范围仍存在疑问。supporter为可数名词，结合句意可知，此处表示泛指一个平台的支持者，且supporter以辅音音素开头，需用不定冠词a修饰。故填a。 7．考查动词时态。句意同上。空处是句子的谓语动词，描述的是过去发生的事情，需用一般过去时，谓语动词用过去式形式。故填said。 8．考查连词。句意同上。设空处需填连词连接名词短语its technical details与its overall reach，表示并列关系，需用连词and。故填and。 9．考查宾语从句。句意：“社交媒体禁令在一周内发布并通过，因此没有人能自信地解释它在实践中将如何发挥作用——社区和平台都不清楚他们到底被要求做什么，”DIGI总经理苏尼塔·波斯说。设空处需填连接词引导宾语从句，连接词在从句中作方式状语，需用连接副词how引导。故填how。 10．考查动词时态、语态和主谓一致。句意同上。设空处需填宾语从句的谓语动词，结合句意可知，此处表示客观事实，what引导的宾语从句需用一般现在时，主语what与require构成被动关系，需用一般现在时的被动语态，what作为主语充当了一个单数概念，be动词用is。故填is required。 阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。 China has been making great progress in scientific and technological innovation. More than one brilliant achievement 1 (make) in different fields in the past 10 years. Take the aerospace industry for example. The Chinese space program, 2 has achieved a series of remarkable feats (功绩) , is attracting worldwide attention. Evidently, the successful launch of Shenzhou spacecraft is a proof of China’s growing 3 (strong) in space technology. In the field of 5G technology, China is also at the forefront. 5G technology has been 4 (wide) applied in many industries, 5 (enable) faster data transfer and more stable connections. Owing to the birth of 5G, smart production, smart cities along 6 other innovative applications are developing quickly. Besides, the development of AI (Artificial Intelligence) in China is also remarkable. AI technology is being used to solve complex problems in 7 (vary) fields, from healthcare to transportation. When it comes to environmental protection, scientific innovation also plays an important role. New 8 (technology) are being developed to reduce pollution and promote sustainable development. 9 is obvious that scientific and technological innovation is powering China’s progress and will continue to shape its bright future. 10 (affect) by the philosophy that “science knows no border and should benefit all humanity,” China has also worked hard to ensure that the fruits of scientific and technological progress are shared by all nations. 【答案】 1．has been made 2．which 3．strength 4．widely 5．enabling 6．with 7．various/varied 8．technologies 9．It 10．Affected 【导语】这是一篇说明文。文章主要介绍了中国在过去十年中在科技创新领域取得的巨大进步。 1．考查时态和语态。句意：在过去的10年里，在不同的领域取得了不止一项辉煌的成就。空处为句子谓语，根据时间状语in the past 10 years可知，句子应用现在完成时，且主语achievement和make之间为被动关系，应用现在完成时的被动语态，more than one+单数名词作主语，谓语应用单数形式，助动词用has。故填has been made。 2．考查定语从句。句意：中国的太空计划取得了一系列显著的成就，吸引了全世界的关注。空处引导非限制性定语从句，修饰先行词The Chinese space program，先行词指物，引导词在从句中作主语，应用关系代词which引导。故填which。 3．考查名词。句意：显然，神舟飞船的成功发射是中国在空间技术方面日益增强的实力的证明。空处作介词of的宾语，应用名词strength，表示“实力”，不可数。故填strength。 4．考查副词。句意：5G技术已经在许多行业得到了广泛应用，实现了更快的数据传输和更稳定的连接。空处修饰动词applied，应用副词形式widely，表示“广泛地”。故填widely。 5．考查非谓语动词。句意：5G技术已经在许多行业得到了广泛应用，实现了更快的数据传输和更稳定的连接。句中已有谓语动词has been applied，空处应用非谓语动词，表示自然而然产生的结果，应用现在分词作结果状语。故填enabling。 6．考查介词。句意：由于5G的诞生，智能生产、智能城市以及其他创新应用正在迅速发展。along with为固定短语，表示“和……一起”，符合句意。故填with。 7．考查形容词。句意：人工智能技术正被用于解决从医疗保健到交通运输等各个领域的复杂问题。空处修饰名词fields，应用形容词形式作定语，vary的形容词形式为various/varied，表示“各种各样的”。故填various/varied。 8．考查名词复数。句意：正在开发新技术以减少污染和促进可持续发展。空处应用名词作主语，且technology为可数名词，根据助动词are可知主语为复数。故填technologies。 9．考查it作形式主语。句意：显然，科技创新正在推动中国的进步，并将继续塑造其光明的未来。此处是固定句型：it is obvious that...，其中it是形式主语，真正的主语是后面的that从句，且句首单词首字母大写。故填It。 10．考查非谓语动词。句意：受“科学无国界，应造福全人类”理念的熏陶，中国也努力确保科技进步的成果由各国共享。空处为非谓语动词，且主语China和affect之间为被动关系，应用过去分词形式作状语，且句首单词首字母大写。故填Affected。 阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。 Wind turbines (涡轮机) are already a big part of China’s big bet on renewable green energy. However, the Asian country is always looking 1 (reduce) the cost and increase the efficiency of its systems. That’s how it came up with a special turbine capable of being moved 2 (quick) while producing significant amounts of 3 (electric) . The S1500 floating wind power system is about as tall as 4 13-storey building and as long as a basketball court. It looks 5 a giant floating airplane engine and it is capable of operating at heights of up to 1, 500 meters, 6 winds are faster and more stable than at the level of traditional towers. The turbine 7 (test) by an energy technology company in Beijing in September of 2025 and it is the world’s 8 (large) flying wind turbine. Not requiring the construction of large metal towers and rotors (转子) , flying turbines are reducing the cost per kilowatt-hour by 30%. The inflatable (可充气的) design also makes them easy to move across long distances. The company plans to begin mass producing S1500 wind turbines starting next year, but there are still 9 (challenge) to overcome. The CEO of the company says they look forward to making sky-based wind power an important part of 10 (afford) green electricity. 【答案】 1．to reduce 2．quickly 3．electricity 4．a 5．like 6．where 7．was tested 8．largest 9．challenges 10．affordable 【导语】本文是一篇说明文。文章主要介绍中国研发的S1500漂浮式风力涡轮机的特点、测试情况及应用前景。 1．考查非谓语动词。句意：然而，这个亚洲国家一直在寻求降低其系统成本并提高效率。look后接不定式作宾语，构成固定搭配look to do sth.（寻求做某事），故填to reduce。 2．考查副词。句意：这就是它想出一种特殊涡轮机的原因，这种涡轮机能够快速移动，同时产生大量电力。此处修饰动词moved，需用副词形式，quick的副词为quickly，故填quickly。 3．考查名词。句意：这就是它想出一种特殊涡轮机的原因，这种涡轮机能够快速移动，同时产生大量电力。介词of后需接名词作宾语，electric的名词形式为electricity（电力），且为不可数名词，故填electricity。 4．考查冠词。句意：S1500漂浮式风力发电系统大约有13层楼高，和一个篮球场一样长。13-storey building为可数名词单数，空前无限定词，此处表示“一栋 13 层的建筑”，为泛指，且13-storey是以辅音音素开头的短语，故填a。 5．考查介词。句意：它看起来像一个巨大的漂浮式飞机引擎，能够在高达1500米的高度运行，在这个高度上，风比传统塔架高度的风更快、更稳定。look like为固定搭配，意为“看起来像”，故填like。 6．考查定语从句。句意：它看起来像一个巨大的漂浮式飞机引擎，能够在高达1500 米的高度运行，在这个高度上，风比传统塔架高度的风更快、更稳定。空处引导非限制性定语从句，先行词为heights of up to 1,500 meters，关系词在定语从句中作地点状语，需用关系副词where引导，故填where。 7．考查动词时态和语态。句意：该涡轮机于2025年9月由北京一家能源技术公司进行了测试，它是世界上最大的飞行风力涡轮机。根据时间状语in September of 2025可知，此处用一般过去时；主语The turbine与test之间为被动关系，需用一般过去时的被动语态，且主语为单数，故填was tested。 8．考查形容词最高级。句意：该涡轮机于2025年9月由北京一家能源技术公司进行了测试，它是世界上最大的飞行风力涡轮机。根据空前的the world’s 可知，此处表示“世界上最大的”，需用形容词最高级，large的最高级为largest，故填largest 9．考查名词复数。句意：该公司计划明年开始批量生产S1500风力涡轮机，但仍有一些挑战需要克服。challenge为可数名词，根据空前的are可知，此处需用复数形式，故填challenges。 10．考查形容词。句意：该公司的首席执行官表示，他们期待着将基于天空的风力发电变成经济实惠的绿色电力的重要组成部分。此处修饰名词green electricity，需用形容词作定语，afford的形容词形式为affordable（经济实惠的；负担得起的），故填affordable。 阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。 In the 1990s, a small town in southern China faced a big change — the arrival of online shopping. Before that, locals mostly bought things 1 small shops, where owners knew almost every customer by name. Many families even sought hand-made 2 (product) like cloth shoes, because they were strong and full of local style. However, this traditional way started to change with the 3 (explode) of the Internet in the early 2000s. Young people first tried online shopping. They 4 (order) clothes from faraway cities and shared experiences on social media, which made more neighbors curious. Soon old residents asked their children for help — some wanted Yunnan tea, 5 quality is famous nationwide, 6 others looked for cheap but good kitchen tools. Local shopkeeper Mr. Li once worried online stores would take his customers. He 7 (sell) daily things for over 20 years, but he soon realized he could adapt. He opened 8 online shop to sell local snacks, which quickly became popular among people missing their hometown taste. Today, the town has both offline and online stores. Mr. Li says, “Change isn’t scary. What matters is finding ways 9 (keep) our roots while moving forward.” From the first online order to the busy online markets today, every step has been a new experience for locals — one that has taught them to embrace new things and be 10 (pride) of their local culture. 【答案】 1．from 2．products 3．explosion 4．ordered 5．whose 6．while 7．had sold 8．an 9．to keep 10．proud 【导语】本文是一篇说明文。文章主要讲述中国南方一个小镇在网购冲击下的变化，以及当地居民如何适应，既拥抱新事物又保留本土文化。 1．考查介词。句意：在那之前，当地人大多在小商店里买东西，店主几乎叫得出每一位顾客的名字。表示“从商店里买东西”应用介词from。故填from。 2．考查名词复数。句意：许多家庭甚至会寻找像布鞋这样的手工制品，因为它们结实且充满地方特色。product为可数名词，根据like cloth shoes可知，此处表示不止一种手工制品，应用复数形式products。故填products。 3．考查名词。句意：然而，随着21世纪初互联网的爆发，这种传统方式开始发生变化。定冠词the后接名词，explode的名词形式为explosion，意为“爆发”，为不可数名词，符合句意。故填explosion。 4．考查动词时态。句意：他们从遥远的城市订购衣服，并在社交媒体上分享经验，这让更多的邻居感到好奇。根据上下文语境，此处描述的是过去发生的事情，应用一般过去时，order的过去式为ordered。故填ordered。 5．考查定语从句关系词。句意：很快，老居民们向他们的孩子求助 —— 有些人想要云南茶叶，其品质在全国都很有名，而另一些人则在寻找便宜又好的厨房用具。空格后为定语从句，修饰先行词Yunnan tea，先行词为物，且在从句中作定语，修饰quality，所以用关系代词whose。故填whose。 6．考查连词。句意：很快，老居民们向他们的孩子求助 —— 有些人想要云南茶叶，其品质在全国都很有名，而另一些人则在寻找便宜又好的厨房用具。此处some...others...为固定搭配，表示“一些人…… 另一些人……”，前后句之间是并列对比关系，用连词while连接，符合语境。故填while。 7．考查动词时态。句意：他卖日常用品已经20多年了，但他很快意识到自己可以适应。根据时间状语for over 20 years以及上下文语境，此处表示过去的动作持续到过去某一时间，应用过去完成时，其结构为：had + 过去分词，sell的过去分词为sold。故填had sold。 8．考查冠词。句意：他开了一家网店卖当地小吃，这些小吃很快就受到了怀念家乡味道的人们的欢迎。online shop为可数名词单数，空前无限定词，此处表示“一家网店”，为泛指，且online是以元音音素开头的单词，所以用不定冠词an。故填an。 9．考查非谓语动词。句意：李师傅说：“变化并不可怕。重要的是在前进的同时找到保持我们根基的方法。” 此处为固定搭配 ways to do sth.“做某事的方法”，不定式作后置定语修饰ways。故填to keep。 10．考查形容词。句意：从第一笔网上订单到如今繁忙的网上市场，每一步对当地人来说都是一次新的经历 —— 这次经历教会他们拥抱新事物，并为自己的本土文化感到自豪。be动词后接形容词作表语，pride的形容词形式为proud，be proud of为固定短语，意为“为……感到自豪”。故填proud。 阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。 How would you feel if moving to a new town meant 1 (lose) track of your friends? What 2 the only way of getting news from faraway friends was writing letters that took ages to be delivered? Thanks to advances in technology, how we make friends and communicate with them has changed 3 (significant). The digital age 4 (able) us to find people who share our interests, such as collecting model cars or playing an unusual instrument. Whatever our hobbies, the Internet can connect us with others who also enjoy doing them, even if they live on 5 other side of the world. On social media sites, people tend 6 (post) only positive updates 7 make them appear happy and friendly. But 8 (smile) photos can hide real problems. Remember the saying : on the Internet, nobody knows you`re a dog. A young person could be old; a woman could be a man; we could even be sharing our information with criminals. But this does not mean that we should throw the baby out 9 the bathwater. Although technology has changed the way we acquire friends, the 10 (mean) of friendship and our longing for friends remain the same. 【答案】 1．losing 2．if 3．significantly 4．enables 5．the 6．to post 7．that 8．smiling 9．with 10．meaning 【导语】本文是一篇说明文。文章主要讲述了科技发展对交友和交流方式带来的巨大改变，以及社交媒体带来的利弊，同时强调了友谊的本质和人们对友谊的渴望不变。 1．考查动名词。句意：如果搬到一个新城镇意味着与朋友失去联系，你会有什么感受？mean doing sth.为固定短语，表示“意味着做某事”，所以空处需用动名词losing作宾语。故填losing。 2．考查固定句型。句意：如果从远方的朋友那里得到消息的唯一方式是写信，而这些信要花很长时间才能送到，那会怎么样？What if…?为固定句型，表示“如果……会怎么样？”，所以空处需用if。故填if。 3．考查副词。句意：由于科技的进步，我们交朋友和与他们交流的方式发生了巨大的变化。空处需用副词作状语修饰动词，significant的副词为significantly“显著地，巨大地”。故填significantly。 4．考查动词时态。句意：数字时代使我们能够找到与我们有共同兴趣的人，比如收集汽车模型或演奏一种不寻常的乐器。空处作句子谓语，需用动词形式，able的动词为enable，此处陈述客观事实，用一般现在时，主语为The digital age，谓语动词用第三人称单数形式。故填enables。 5．考查冠词。句意：无论我们的爱好是什么，互联网都能把我们和那些也喜欢做这些事的人联系起来，即使他们住在世界的另一端。on the other side of…表示“在……的另一边”，固定搭配，所以空处需用定冠词the。故填the。 6．考查动词不定式。句意：在社交媒体网站上，人们倾向于只发布让他们看起来快乐和友好的正面更新。tend to do sth.为固定短语，表示“倾向于做某事”，所以空处需用动词不定式作宾语。故填to post。 7．考查定语从句。句意：在社交媒体网站上，人们倾向于只发布让他们看起来快乐和友好的正面更新。分析句子结构可知，空处需用关系词引导定语从句，先行词是updates，指物，关系词在定语从句中作主语，且关系词前有only修饰，所以空处需用关系代词that引导定语从句。故填that。 8．考查形容词。句意：但是微笑的照片可以隐藏真正的问题。空处需用形容词作定语修饰名词photos，smile的形容词为smiling“微笑的”。故填smiling。 9．考查介词。句意：但这并不意味着我们应该把婴儿和洗澡水一起倒掉。throw the baby out with the bathwater为固定短语，表示“不分好坏，一概摒弃”。故填with。 10．考查名词。句意：尽管科技改变了我们交友的方式，但友谊的意义和我们对友谊的渴望依然如故。空处需用名词作主语，mean的名词形式为meaning“意义”。the meaning of…“……的意义”，固定搭配。故填meaning。 阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。 Years ago, if a teenager had some problems in his life, he might write them in the diary. But now a teenager may go online and write his daily feelings in a microblog (微博). Not only diaries 1 also microblogs reminds (提醒) the writers of what happened to them 2 a certain day. However, they are not 3 (exact) the same. There are some 4 (difference) between microblogs and diaries. First of all, microblogs get more attention, while diaries 5 (be) too private. Nowadays people are active in writing microblogs because they want others 6 (read) the things about them as much as possible. Also, a few special or interesting online microblogs 7 can be spread may become famous. As they write more microblogs, their fans may increase as well. Therefore, some people may show the lively moments when they feel happy, some may share the 8 (humour) stories or experiences to make others laugh, and some even write novels (小说) in their microblogs. Besides, it’s much more convenient to record your lives in microblogs whenever you like without 9 (carry) a diary. Of course, if people don’t want their feelings to be widely known, keeping diaries is the good 10 (choose). 【答案】 1．but 2．on 3．exactly 4．differences 5．are 6．to read 7．that/which 8．humorous 9．carrying 10．choice 【导语】本文是一篇说明文。主要对比日记与微博的异同，介绍微博受关注、易传播等特点及日记的私密性优势。 1．考查连词。句意：不仅日记，微博也能提醒记录者某天发生的事情。此处为固定搭配“Not only...but also...”，意为“不仅……而且……”，连接并列主语，所以用but。故填but。 2．考查介词。句意：不仅日记，微博也能提醒记录者某天发生的事情。此处后接具体某天，表示“在某天”，用介词on。故填on。 3．考查副词。句意：然而，它们并非完全相同。此处修饰形容词same，用exact的副词形式exactly，意为“完全地、确切地”。故填exactly。 4．考查名词复数。句意：微博和日记之间存在一些差异。difference为可数名词，根据前文“some”，表示“多个差异”，应用复数形式differences。故填differences。 5．考查动词时态和主谓一致。句意：首先，微博更受关注，而日记则过于私密。此处为谓语动词，描述日记的客观特征，用一般现在时；主语diaries为复数，所以谓语动词为are。故填are。 6．考查非谓语动词。句意：如今人们热衷于写微博，因为他们希望别人尽可能多地了解自己的事情。此处为固定搭配“want sb. to do sth.”，意为“希望某人做某事”，用动词不定式to read作宾补。故填to read。 7．考查定语从句。句意：此外，一些具有特殊性或趣味性、可传播的网络微博可能会走红。此处为定语从句，先行词为“a few special or interesting online microblogs”，指物，在从句中作主语，用关系代词that/which。故填that/which。 8．考查形容词。句意：因此，有些人可能会分享开心时的鲜活瞬间，有些人可能会分享幽默的故事或经历逗别人开心，甚至有人在微博上写小说。此处修饰名词stories，用humour的形容词形式humorous，意为“幽默的”。故填humorous。 9．考查非谓语动词。句意：此外，无论何时，只要你想，在微博上记录生活都更方便，无需携带日记。此处作介词without的宾语，用carry的动名词形式carrying。故填carrying。 10．考查名词。句意：当然，如果人们不希望自己的感受被广泛知晓，写日记是个不错的选择。此处作表语，用choose的名词形式choice，意为“选择”，根据前文“keeping diaries”，此处用单数形式。故填choice。 阅读下面材料，在空白处填入适当的内容 (1个单词) 或括号内单词的正确形式。 Recently, an unmanned supermarket opened on our campus, causing excitement among students. Here I can hardly wait 1 (detail) this shopping experience. Walking into the store felt like 2 (step) into a sci-fi movie. The store has smart shelves 3 design uses advanced sensor technology. It also has self-checkout counters. After I picked up a snack and a drink and scanned their QR codes, the system, which relies on the technology of facial 4 (recognize) , immediately showed the total, taking less than 2 minutes. 5 shopkeepers, the store depends on students’ honesty to pay for items. This tryout in trust and respect, which saves time, develops responsibility and encourages conversations about innovation, made me proud of our campus community in 6 unique way. While the idea is promising, a few improvements, 7 (base) on current shortcomings, could enhance the experience. First, adding more self-checkout machines would reduce waiting time during busy periods. Second, 8 (clear) labels explaining the shopping steps might help first-time users, as I didn’t know how and where to scan items at first. The unmanned supermarket is a brave step toward a tech-driven campus life and 9 (set) a good example for other schools so far. After all, combining technology with trust does make our campus 10 (true) special. 【答案】 1．to detail 2．stepping 3．whose 4．recognition 5．Without 6．a 7．based 8．clearer 9．has set 10．truly 【导语】本文是一篇记叙文。文章主要讲述了作者在校园无人超市的购物体验，描述了高科技设备带来的便利，同时也提出了改进建议，展现了科技与信任结合的校园创新尝试。 1．考查非谓语动词。句意：在这里，我迫不及待地想详细介绍这次购物体验。“can hardly wait to do sth.”为固定搭配，意为“迫不及待做某事”，应用动词不定式to detail。故填to detail。 2．考查非谓语动词。句意：走进商店感觉就像走进一部科幻电影。“feel like doing sth.”为固定搭配，意为“感觉像做某事”，应用动名词stepping。故填stepping。 3．考查定语从句。句意：这家商店有智能货架，其设计使用了先进的传感器技术。空处引导定语从句，先行词为shelves，指物，关系词在从句中作design的定语，应用关系代词whose引导。故填whose。 4．考查名词。句意：在我拿起零食和饮料并扫描了他们的二维码后，依赖于面部识别技术的系统立即显示了总数，耗时不到2分钟。根据空前的形容词facial可知，空处为名词作of的宾语，recognize的名词形式为recognition。故填recognition。 5．考查介词。句意：没有店主，商店依靠学生的诚实来支付商品。结合语境，这里表示 “无人超市没有店员”，空处应用介词without，表“无、没有”，且句首单词，首字母需大写。故填Without。 6．考查冠词。句意：这次在信任和尊重中的试用节省了时间，培养了责任感，鼓励了关于创新的对话，让我以一种独特的方式为我们的校园社区感到自豪。“in a/an…way”为固定搭配，意为“以一种……的方式”，unique以辅音音素开头，应用不定冠词a。故填a。 7．考查非谓语动词。句意：虽然这个想法很有希望，但基于目前的缺点，一些改进可以增强体验。句子谓语为could enhance，空处为非谓语动词作后置定语，根据固定搭配be based on“以……为基础”可知，base与逻辑主语improvements之间为被动关系，应用过去分词based。故填based。 8．考查形容词比较级。句意：其次，解释购物步骤的更清晰的标签可能会对首次使用的用户有所帮助，因为我起初不知道如何以及在哪里扫描商品。空处表示“更清晰的”，应用形容词比较级clearer，作定语，修饰名词labels。故填clearer。 9．考查时态和主谓一致。句意：无人超市是向科技驱动的校园生活迈出的勇敢一步，迄今为止为其他学校树立了良好的榜样。空处为谓语动词，根据时间状语so far可知，应用现在完成时；主语the unmanned supermarket为单数，助动词使用has。故填has set。 10．考查副词。句意：毕竟，将技术与信任相结合确实使我们的校园真正与众不同。空处作状语，修饰形容词special，需用形容词true的副词形式truly。故填truly。 重难语篇提升练 阅读下列文章，在空白处填入1个适当的单词或括号内单词的正确形式。 The People’s Liberation Army Air Force (PLAAF) marked its 76th anniversary on November 11th. Founded on Nov. 11, 1949, it 1 (start) with only a handful of outdated planes, having evolved into a modern force 2 (equip) with world-leading aircraft over the past seven decades. It now places growing emphasis 3 intelligent, information-driven capabilities. 4 (celebrate) the anniversary, the PLAAF released a microfilm named Dreaming Far, showcasing a threeaircraft formation of the Xuanlong-08 drone and two manned fighter jets (J-16 and J-20). This was the first time the PLAAF had published footage of manned and unmanned aircraft teaming up, 5 quickly captured nationwide attention. AI has become 6 key tool to hone pilots’ skills since 7 (technology) advancement was applied to the PLAAF. In simulated air combat against AI, pilot Ma Xiao faced unprecedented (前所未有的) challenges, noting that the AI “is working 8 (aggressive) and never makes mistakes.” With AI’s 9 (assist), pilots have made remarkable progress in real-combat-oriented training. The PLAAF’s transformation from mechanization to information 10 from air defense to offensive-defensive capabilities reflects its commitment to keeping pace with future warfare. As a comment put it, “In the past, we looked to foreign forces; now we look to ourselves.” 【答案】 1．started 2．equipped 3．on 4．To celebrate 5．which 6．a 7．technological 8．aggressively 9．assistance 10．and 【导语】这是一篇说明文，主要介绍了中国人民解放军空军（PLAAF）的76周年纪念日相关情况 1．考查动词时态。句意：它成立于1949年11月11日，最初只有几架过时的飞机，在过去七十年里，已发展成为一支配备世界领先战机的现代化力量。“成立之初只有少量老旧战机”是过去发生的动作，用一般过去时，start的过去式是started。故填started。 2．考查非谓语动词。句意：它成立于1949年11月11日，最初只有几架过时的飞机，在过去七十年里，已发展成为一支配备世界领先战机的现代化力量。分析句子结构可知，空处作非谓语动词，a modern force与equip之间是被动关系，用过去分词作后置定语。故填equipped。 3．考查介词。句意：如今，它越来越重视智能化、信息化驱动的作战能力。place emphasis on是固定搭配，意为 “重视；强调”，符合语境。故填on。 4．考查非谓语动词。句意：为庆祝这一纪念日，中国人民解放军空军发布了一部名为Dreaming Far的微电影，展示了玄龙 - 08 无人机与两架有人战斗机（歼 - 16 和歼 - 20）组成的三机编队。分析句子结构可知，空处作非谓语动词，此处表目的，即“为了庆祝纪念日”，用动词不定式作目的状语，句首首字母大写。故填To celebrate。 5．考查定语从句。句意：这是中国人民解放军空军首次公布有人机与无人机协同作战的画面，此事迅速引起全国关注。此处引导非限制性定语从句，先行词是前面整个句子，在从句中作主语，用关系代词which。故填which。 6．考查不定冠词。句意：自技术进步应用于中国人民解放军空军以来，人工智能已成为提升飞行员技能的关键工具。tool是可数名词单数，此处表示“一种关键工具”，表泛指，key以辅音音素开头，用不定冠词a。故填a。 7．考查形容词。句意：自技术进步应用于中国人民解放军空军以来，人工智能已成为提升飞行员技能的关键工具。此处修饰名词advancement，需用形容词形式，technology的形容词是 technological（技术的）。故填technological。 8．考查副词。句意：在与人工智能的模拟空战中，飞行员马晓面临了前所未有的挑战，他指出，人工智能“进攻性很强，而且从不犯错”。此处修饰动词working，需用副词形式，aggressive的副词是aggressively（攻击性地；积极地）。故填aggressively。 9．考查名词。句意：在人工智能的协助下，飞行员在实战化训练中取得了显著进步。此处作介词With的宾语，且前面有AI’s 修饰，需用名词形式，assist的名词是assistance，为不可数名词。故填assistance。 10．考查连词。句意：中国人民解放军空军从机械化向信息化、从防空向攻防兼备的转型，体现了其紧跟未来战争步伐的决心。根据前文“from mechanization to information”的结构，以及后文 “from air defense to offensive-defensive capabilities”的并列逻辑，此处需用并列连词and连接两个并列的表述。故填and。 阅读下面材料，在空白处填入适当的内容（1个单词）或用括号内单词的正确形式。 China’s Shenzhou-21 space rocket lifted off on Friday atop a Long March-2F rocket from the Jiuquan Satellite Launch Centre in northwest China, Chinese state media reported. It was the 1 (seven) mission to the permanently inhabited Chinese space station since it was completed in 2022. 2 (mission) on China’s Shenzhou-21 spacecraft involve trios of astronauts on six-month stays in space, with veteran astronauts 3 (increasing) replaced by younger faces. First - timers Zhang Hongzhang, 39, and Wu Fei, 32, China’s 4 (young) astronaut to be sent to space 5 (pick) to participate in the program in 2020. Commander Zhang Lu, 48, flew on the 2022 Shenzhou-15 mission. The Shenzhou-21 astronauts will take over from the Shenzhou-20 crew who had lived and worked on board Tiangong, 6 “Heavenly Palace,” for more than six months. The Shenzhou-20 astronauts will return to Earth in the 7 (come) days. The Shenzhou-21 crew were also joined by four black mice, the first small mammals 8 (take) to the Chinese space station. The mice will be used in experiments on reproduction in low Earth orbit. Biannual launches have become the norm for the Shenzhou program, 9 has in the past year reached new milestones with the deployment of Chinese astronauts born in the 1990s, a world-record spacewalk, and plans to train and send the first foreign astronaut, from Pakistan, 10 Tiangong next year. 【答案】 1．seventh 2．Missions 3．increasingly 4．youngest 5．were picked 6．or 7．coming 8．to be taken 9．which 10．to 【导语】本文是一篇说明文。主要介绍神舟二十一号载人飞船发射任务、乘组构成，及搭载实验小鼠、项目新里程碑等相关情况。 1．考查数词。句意：这是自2022年中国永久性载人空间站建成以来的第七次载人任务。此处表示“第七次”，用seven的序数词形式seventh，修饰名词mission。故填seventh。 2．考查名词复数。句意：中国神舟二十一号飞船的任务包括三名航天员在太空驻留六个月，资深航天员正逐渐被年轻面孔取代。此处为句子主语，根据谓语动词involve可知主语为复数，用mission的复数形式missions，句首单词首字母大写。故填Missions。 3．考查副词。句意：中国神舟二十一号飞船的任务包括三名航天员在太空驻留六个月，资深航天员正逐渐被年轻面孔取代。此处修饰动词replaced，用increasing的副词形式increasingly。故填increasingly。 4．考查形容词最高级。句意：首次执行任务的39岁航天员张洪章和32岁航天员武飞是中国最年轻的航天员，二人于2020年入选该项目。此处表示“最年轻的”，且前面有China’s限定，用young的最高级形式youngest。故填youngest。 5．考查动词语态和时态。句意：首次执行任务的39岁航天员张洪章和32岁航天员武飞是中国最年轻的航天员，二人于2020年入选该项目。此处为谓语动词，根据时间状语in 2020可知用一般过去时，主语Zhang Hongzhang and Wu Fei与pick为被动关系，所以谓语动词为were picked。故填were picked。 6．考查连词。句意：神舟二十一号航天员将接替已在天宫空间站工作生活超过六个月的神舟二十号乘组。此处“Tiangong”和“Heavenly Palace”为一个概念的两种称呼，表示“或者”为选择关系，用连词or。故填or。 7．考查形容词。句意：神舟二十号航天员将在未来几天内返回地球。此处为固定搭配“in the coming days”，意为“在未来几天”，用come的形容词形式coming，意为“即将到来的”。故填coming。 8．考查非谓语动词。句意：神舟二十一号乘组还搭载了四只黑鼠，这是首批被送入中国空间站的小型哺乳动物。此处为后置定语，修饰the first small mammals，序数词后常用动词不定式作定语，且mammals与take为被动关系，所以用不定式的被动形式to be taken。故填to be taken。 9．考查定语从句。句意：神舟系列飞船半年一发已成为常态，过去一年该项目创下多项新里程碑，包括将90后航天员送入太空、完成创世界纪录的太空行走，以及计划明年培训并派遣首位来自巴基斯坦的外国航天员进入天宫空间站。此处为关系词引导的非限制性定语从句，先行词为the Shenzhou program，指物，在从句中作主语，用关系代词which。故填which。 10．考查介词。句意：神舟系列飞船半年一发已成为常态，过去一年该项目创下多项新里程碑，包括将90后航天员送入太空、完成创世界纪录的太空行走，以及计划明年培训并派遣首位来自巴基斯坦的外国航天员进入天宫空间站。此处为固定搭配“send sb. to sp.”，意为“将某人送往某地”，用介词to。故填to。 学科网（北京）股份有限公司 $ Unit 3 The Internet 单元话题语法填空 Unit 3 The Internet单元话题：互联网与科技 本资料共10篇专题训练，从上到下依次按照难度分为基础语篇巩固练和重难语篇提升练 基础语篇巩固练 阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。 When it seemed that social networks could no longer surprise us, China gave birth to a new application, TikTok. It is a social network in 1 you can create and share fun music videos with your friends and followers. TikTok 2 (release) in September 2016 by ByteDance. With people of all ages 3 (love) it in 2019, the short-form video app is becoming 4 (rapid) popular around the country. In order to use the application, we will need to create 5 user account, a process that will only take a few 6 (second). On TikTok, the key is the music videos. When creating your music videos, you will be able to choose from hundreds of songs. 7 addition to being able to choose the most popular songs of the moment, users have a simple video editor to make 8 (they) videos more surprising. TikTok aims to provide video editing service for mobile users, so all operation on this app is easy and clear 9 (master). Creating videos with TikTok 10 (be) fun. Besides, we can “like” any other users’ videos, leave comments, share them with friends and so on. 阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。 A social media ban for children under 16 passed through the Australian Parliament on Friday, 1 (mark) a world-first law. The law will make platforms including TikTok, Facebook, Snapchat, Reddit, X and Instagram responsible for fines of up to 50 million Australian dollars for systemic (系统的) 2 (fail) to prevent children younger than 16 from holding accounts. Prime Minister Anthony Albanese said the law supports parents 3 are concerned about the harm the internet can cause to their children. “Platforms now have a social responsibility to ensure the 4 (safe) of our kids is a priority for them,” Albanese told reporters. The platforms have one year 5 (figure) out how to deal with the ban before they face the fines. Digital Industry Group Inc., 6 supporter of the platforms in Australia, 7 (say) there are still questions about the law’s impact on children, its technical details, 8 its overall reach. “The social media ban has been released and passed within a week and, as a result, no one can confidently explain 9 it will work in practice — the community and platforms are in the dark about what exactly 10 (require) of them,” DIGI managing director Sunita Bose said. 阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。 China has been making great progress in scientific and technological innovation. More than one brilliant achievement 1 (make) in different fields in the past 10 years. Take the aerospace industry for example. The Chinese space program, 2 has achieved a series of remarkable feats (功绩) , is attracting worldwide attention. Evidently, the successful launch of Shenzhou spacecraft is a proof of China’s growing 3 (strong) in space technology. In the field of 5G technology, China is also at the forefront. 5G technology has been 4 (wide) applied in many industries, 5 (enable) faster data transfer and more stable connections. Owing to the birth of 5G, smart production, smart cities along 6 other innovative applications are developing quickly. Besides, the development of AI (Artificial Intelligence) in China is also remarkable. AI technology is being used to solve complex problems in 7 (vary) fields, from healthcare to transportation. When it comes to environmental protection, scientific innovation also plays an important role. New 8 (technology) are being developed to reduce pollution and promote sustainable development. 9 is obvious that scientific and technological innovation is powering China’s progress and will continue to shape its bright future. 10 (affect) by the philosophy that “science knows no border and should benefit all humanity,” China has also worked hard to ensure that the fruits of scientific and technological progress are shared by all nations. 阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。 Wind turbines (涡轮机) are already a big part of China’s big bet on renewable green energy. However, the Asian country is always looking 1 (reduce) the cost and increase the efficiency of its systems. That’s how it came up with a special turbine capable of being moved 2 (quick) while producing significant amounts of 3 (electric) . The S1500 floating wind power system is about as tall as 4 13-storey building and as long as a basketball court. It looks 5 a giant floating airplane engine and it is capable of operating at heights of up to 1, 500 meters, 6 winds are faster and more stable than at the level of traditional towers. The turbine 7 (test) by an energy technology company in Beijing in September of 2025 and it is the world’s 8 (large) flying wind turbine. Not requiring the construction of large metal towers and rotors (转子) , flying turbines are reducing the cost per kilowatt-hour by 30%. The inflatable (可充气的) design also makes them easy to move across long distances. The company plans to begin mass producing S1500 wind turbines starting next year, but there are still 9 (challenge) to overcome. The CEO of the company says they look forward to making sky-based wind power an important part of 10 (afford) green electricity. 阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。 In the 1990s, a small town in southern China faced a big change — the arrival of online shopping. Before that, locals mostly bought things 1 small shops, where owners knew almost every customer by name. Many families even sought hand-made 2 (product) like cloth shoes, because they were strong and full of local style. However, this traditional way started to change with the 3 (explode) of the Internet in the early 2000s. Young people first tried online shopping. They 4 (order) clothes from faraway cities and shared experiences on social media, which made more neighbors curious. Soon old residents asked their children for help — some wanted Yunnan tea, 5 quality is famous nationwide, 6 others looked for cheap but good kitchen tools. Local shopkeeper Mr. Li once worried online stores would take his customers. He 7 (sell) daily things for over 20 years, but he soon realized he could adapt. He opened 8 online shop to sell local snacks, which quickly became popular among people missing their hometown taste. Today, the town has both offline and online stores. Mr. Li says, “Change isn’t scary. What matters is finding ways 9 (keep) our roots while moving forward.” From the first online order to the busy online markets today, every step has been a new experience for locals — one that has taught them to embrace new things and be 10 (pride) of their local culture. 阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。 How would you feel if moving to a new town meant 1 (lose) track of your friends? What 2 the only way of getting news from faraway friends was writing letters that took ages to be delivered? Thanks to advances in technology, how we make friends and communicate with them has changed 3 (significant). The digital age 4 (able) us to find people who share our interests, such as collecting model cars or playing an unusual instrument. Whatever our hobbies, the Internet can connect us with others who also enjoy doing them, even if they live on 5 other side of the world. On social media sites, people tend 6 (post) only positive updates 7 make them appear happy and friendly. But 8 (smile) photos can hide real problems. Remember the saying : on the Internet, nobody knows you`re a dog. A young person could be old; a woman could be a man; we could even be sharing our information with criminals. But this does not mean that we should throw the baby out 9 the bathwater. Although technology has changed the way we acquire friends, the 10 (mean) of friendship and our longing for friends remain the same. 阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。 Years ago, if a teenager had some problems in his life, he might write them in the diary. But now a teenager may go online and write his daily feelings in a microblog (微博). Not only diaries 1 also microblogs reminds (提醒) the writers of what happened to them 2 a certain day. However, they are not 3 (exact) the same. There are some 4 (difference) between microblogs and diaries. First of all, microblogs get more attention, while diaries 5 (be) too private. Nowadays people are active in writing microblogs because they want others 6 (read) the things about them as much as possible. Also, a few special or interesting online microblogs 7 can be spread may become famous. As they write more microblogs, their fans may increase as well. Therefore, some people may show the lively moments when they feel happy, some may share the 8 (humour) stories or experiences to make others laugh, and some even write novels (小说) in their microblogs. Besides, it’s much more convenient to record your lives in microblogs whenever you like without 9 (carry) a diary. Of course, if people don’t want their feelings to be widely known, keeping diaries is the good 10 (choose). 阅读下面材料，在空白处填入适当的内容 (1个单词) 或括号内单词的正确形式。 Recently, an unmanned supermarket opened on our campus, causing excitement among students. Here I can hardly wait 1 (detail) this shopping experience. Walking into the store felt like 2 (step) into a sci-fi movie. The store has smart shelves 3 design uses advanced sensor technology. It also has self-checkout counters. After I picked up a snack and a drink and scanned their QR codes, the system, which relies on the technology of facial 4 (recognize) , immediately showed the total, taking less than 2 minutes. 5 shopkeepers, the store depends on students’ honesty to pay for items. This tryout in trust and respect, which saves time, develops responsibility and encourages conversations about innovation, made me proud of our campus community in 6 unique way. While the idea is promising, a few improvements, 7 (base) on current shortcomings, could enhance the experience. First, adding more self-checkout machines would reduce waiting time during busy periods. Second, 8 (clear) labels explaining the shopping steps might help first-time users, as I didn’t know how and where to scan items at first. The unmanned supermarket is a brave step toward a tech-driven campus life and 9 (set) a good example for other schools so far. After all, combining technology with trust does make our campus 10 (true) special. 重难语篇提升练 阅读下列文章，在空白处填入1个适当的单词或括号内单词的正确形式。 The People’s Liberation Army Air Force (PLAAF) marked its 76th anniversary on November 11th. Founded on Nov. 11, 1949, it 1 (start) with only a handful of outdated planes, having evolved into a modern force 2 (equip) with world-leading aircraft over the past seven decades. It now places growing emphasis 3 intelligent, information-driven capabilities. 4 (celebrate) the anniversary, the PLAAF released a microfilm named Dreaming Far, showcasing a threeaircraft formation of the Xuanlong-08 drone and two manned fighter jets (J-16 and J-20). This was the first time the PLAAF had published footage of manned and unmanned aircraft teaming up, 5 quickly captured nationwide attention. AI has become 6 key tool to hone pilots’ skills since 7 (technology) advancement was applied to the PLAAF. In simulated air combat against AI, pilot Ma Xiao faced unprecedented (前所未有的) challenges, noting that the AI “is working 8 (aggressive) and never makes mistakes.” With AI’s 9 (assist), pilots have made remarkable progress in real-combat-oriented training. The PLAAF’s transformation from mechanization to information 10 from air defense to offensive-defensive capabilities reflects its commitment to keeping pace with future warfare. As a comment put it, “In the past, we looked to foreign forces; now we look to ourselves.” 阅读下面材料，在空白处填入适当的内容（1个单词）或用括号内单词的正确形式。 China’s Shenzhou-21 space rocket lifted off on Friday atop a Long March-2F rocket from the Jiuquan Satellite Launch Centre in northwest China, Chinese state media reported. It was the 1 (seven) mission to the permanently inhabited Chinese space station since it was completed in 2022. 2 (mission) on China’s Shenzhou-21 spacecraft involve trios of astronauts on six-month stays in space, with veteran astronauts 3 (increasing) replaced by younger faces. First - timers Zhang Hongzhang, 39, and Wu Fei, 32, China’s 4 (young) astronaut to be sent to space 5 (pick) to participate in the program in 2020. Commander Zhang Lu, 48, flew on the 2022 Shenzhou-15 mission. The Shenzhou-21 astronauts will take over from the Shenzhou-20 crew who had lived and worked on board Tiangong, 6 “Heavenly Palace,” for more than six months. The Shenzhou-20 astronauts will return to Earth in the 7 (come) days. The Shenzhou-21 crew were also joined by four black mice, the first small mammals 8 (take) to the Chinese space station. The mice will be used in experiments on reproduction in low Earth orbit. Biannual launches have become the norm for the Shenzhou program, 9 has in the past year reached new milestones with the deployment of Chinese astronauts born in the 1990s, a world-record spacewalk, and plans to train and send the first foreign astronaut, from Pakistan, 10 Tiangong next year. 学科网（北京）股份有限公司 $