Unit 6 When was it invented 单元话题语法填空练习-2024-2025学年九年级英语全一册单元重难点易错题精练（人教版）

Unit 6 When was it invented? 单元话题语法填空练习 （23-24九年级上·辽宁大连·期末）阅读短文，在空白处填入一个适当的单词或用括号内所给词的正确形式填空，使短文通顺、连贯。 Hanging a red lantern in front of the door is believed to drive off bad luck. The first Chinese paper lanterns 1 (invent) during the Eastern Han Dynasty (东汉). In ancient China, people raised lanterns to get light and wish for a better life. Also, lanterns were 2 (wide) used on festivals. Nowadays, it has become 3 tradition that both big cities and small towns are filled with red lanterns during the festival. The materials for making lanterns are simple. People can make bamboo, wood and metal into frames (框架) of lanterns. Paper and silk 4 (be) the main materials for covers. People like to paint beautiful Chinese pictures on 5 (they). The traditional lantern 6 (cover) by rice paper with a candle burning inside. Lights shine through the rice paper at night. That is really Chinese style. The most common Chinese lanterns are red, round and with red or golden tassels (流苏). They are seen as bright symbols of happiness and good 7 (wish). In Chinese culture, lanterns in different colors express different meanings. People 8 (usual) light several lanterns for the Chinese New Year, and enjoy lantern shows with family during the Lantern Festival. Happiness and joy spread into different families by these different lanterns. Lanterns are also used in all kinds 9 celebrations. Lanterns have become the national 10 (proud) in China. （23-24九年级上·辽宁营口·期末）阅读短文，在空白处填入一个适当的单词或用括号内所给词的正确形式填空，使短文通顺、连贯。 Legend has it that Rome was founded in 753 BC by its first king, Romulus. It grew into a rich and powerful city during the next few 11 (hundred) years. Roman legend says that Romulus had a twin brother. As babies they 12 (throw) in the area which later became Rome. A she-wolf found and raised them. When Romulus grew up, he became the first ruler of Rome! By 117 AD the Roman Empire included the whole of Italy, all the lands 13 the Mediterranean (地中海) and much of Europe, including England, Wales and parts of Scotland. The Romans built such a huge empire and conquered (征服) new lands, 14 (thank) to their strong army. The Roman army could march (行军) up to 40 km a day! The Romans didn’t spend all 15 time fighting—they were amazing architects and engineers too! They built roads and walls—things we now take for granted. 16 (bring) water to their cities, the clever Romans built aqueducts (渡槽)—a system of channels and bridges—to transport water for public baths and toilets! The Romans liked to enjoy their food, often 17 (lie) down on a couch while eating with their hands. They sometimes used a spoon, 18 they would never use a knife and fork. Rich Romans liked to eat exotic (奇异的) food, such as stork (鹳), roast parrot and even flamingo! One of the 19 (famous) buildings left by the Ancient Romans is the Colosseum (圆形大剧场) in the center of Rome. This 20 (be) where members of the public would come to watch sporting events and games, including battles between Roman gladiators (角斗士)! （23-24九年级上·宁夏吴忠·期末）阅读下面短文，在空白处填入适当的单词或括号内单词的正确形式(每空一词)。 Do you know Alexander Graham Bell? He is known as one of great 21 (person) in the world because he invented telephone. However, he wasn’t the 22 (one) person to think of the idea. A man named Antonio Meucci was officially recognized (官方认定) as the 23 (invent) in 2002. Who is Meucci and why wasn’t he known 24 his invention at the time? Meucci was born in Italy in 1808. People 25 (use) to communicate by letters at that time. Meucci discovered that sound could travel through metal (金属) when two places were connected 26 wire (导线). People in those places could hear each other. In 1850, Meucci and his wife moved to New York. Meucci was 27 (worry) about his wife because she had become very ill. He was so busy 28 he had no time to stay with her all time. To solve this problem, he connected metal cables (电缆) between his home and his workshop. This way, they could talk 29 (easy). Unluckily, Meucci never applied for a patent ( 专利) on his invention. At the same time, Alexander Graham Bell was working on the same thing. In 1876 the patent for the telephone was 30 (give) to Bell. This is why when we talk about telephone, most people will think of Bell but not Meucci. （22-23九年级上·山东聊城·期末）阅读下面短文，在空白处按要求填入适当的单词或括号内单词的正确形式。每空1个单词。 Every morning, my father buys a newspaper on his way to work. Every day, I open my books in class and start my 31 (lesson). Every evening, my mother looks 32 (介词) magazines at home. And every night, I look at the photos of David Beckham and Yao Ming on my bedroom wall before I go to sleep. Can we 33 (imagine) life without paper or printing? Paper was first 34 (create) about 2,000 years ago in China. After 35 (it) invention, people started to write on paper to make books. In those days, books were only produced one at a time by hand. As a result, there were not many books, and they were expensive. 36 (连词), few people had the chance to learn to read. Printing was invented in China during the Sui and Tang Dynasties. Later, developments in printing made it possible to produce books more 37 (quick) and cheaply. 38 (冠词) trade in books resulted, and more people learnt to read. 39 (knowledge) and ideas spread 40 (fast) than ever before. （23-24九年级上·辽宁沈阳·期末）阅读短文，在空白处填入1个适当的单词或用括号内所给词的正确形式填空，使短文通顺、连贯。 Today, AI is very smart. It can write an article, create a piece of art,etc. And now, it can even read your mind and translate it into text. This new AI tool 41 (develop) by a team in the U. S. A last year. The tool has two main parts, a scanner (扫描仪)and an AI system called GPT-1. The scanner can record 42 (people) brain activities. Three human volunteers 43 (take) part in the team’s experiment. Each person spent sixteen hours listening 44 stories. The people imagined the stories as they heard them. And the scanner recorded their brain activities. These recordings and the text of the stories were put into GPT-1. It then made connections between 45 (they). Then came the test: some 46 (scientist) let the volunteers listen to some new stories. This time, GPT-1 was given only their brain activity recordings. The AI system then wrote out the stories according to the recordings. The results were very similar to the correct answers. The words weren’t exactly the same. 47 they often carried the same meaning. One of the test stories, for example, was about a person who didn’t have a driver’s license. GPT-1 came up with this: “She has not learnt 48 (drive) yet.” The scientists say that GPT-1 is the 49 (one) AI system to turn humans’ thoughts into words. Some people have lost the ability to speak because of injury or disease. In the future, this technology could be 50 (use) to them. （22-23九年级上·四川广元·期末）Kites have been around for thousands of years. Chinese people used light wood, bamboo, clothes, silk and paper 51 (make) kites. In ancient China, kites played 52 important role in providing military (军事的) information for soldiers. Most people in the world believe that kites were first 53 (invent) by Mozi and Lu Ban in China. They built a 54 (wood) kite that could carry them up in the air. The 55 (problem) with the story are that no wooden kites from that period have been found in China. One more thought is that when a Chinese farmer tied a string (线) to his hat to keep it from 56 (blow) away in a strong wind, the 57 (one) kite was born. Thanks to Marco Polo and the traders, the Chinese kites 58 (quick) spread from China to all over the world. The Wright Brothers came up with the idea of 59 (they) airplane in 1903 because 60 their young years of kite flying. （23-24九年级上·湖北·周测）Can you imagine 61 (stay) in a mobile hostel for a few days? Recently, a company in Croatia 62 (invent) the world’s first mobile hostel named Nearby Hostel. It is very convenient and can 63 (take) apart and moved in just 30 minutes. Nearby Hostel is designed to provide an easy and cheap place at music festivals for people 64 want to avoid unsafe and 65 (comfortable) tents and faraway hotels. There are nine rooms in Nearby Hostel. Many things are in the rooms, 66 electricity, basic furniture, a television, Wifi, and even a fridge. Each Nearby Hostel has nine bedroom areas altogether. It also has air conditioning and heating, smart 67 (shower) and four toilets. Finding tents in the dark 68 (success) is the problem of many people at music festivals, but users of the hostel will be directed back to their rooms by an app. The hostel can insulate (使隔离) our home from sound. It offers coffee 69 people in the morning, too. It will be very relaxing and comfortable to live in Nearby Hostel. Do you expect such 70 experience? （22-23九年级上·吉林长春·期末）阅读下面短文，在空白处填上适当的内容或括号内单词的正确形式。 Science and technology is developing 71 (quick) these days, and it’s hard to imagine what will happen in the future. When someone comes up 72 a new idea, inventors may use the idea to create a new invention. Can you imagine that you can play table tennis with a robot one day? And 73 interesting it is! Recently, a scientist has 74 (invent) a special robot that can be a table tennis coach. That means people can practice table tennis not only with humans, 75 also with a robot. The robot can know the players’ skill levels 76 studying the speeds of the ball. If the players are beginners, the robot will play in a slow and easy way. If the players are better ones, the robot will play in a 77 (fast) and more difficult way. While playing, it encourages players to try 78 (they) best with words like “Good job!” “Come 79 !” and so on. At the same time, it 80 (give) some good advices to improve skills. So it is both a good partner and a clever coach. 试卷第1页，共3页 试卷第1页，共3页 学科网（北京）股份有限公司 参考答案： 1．were invented 2．widely 3．a 4．are 5．them 6．is covered 7．wishes 8．usually 9．of 10．pride 【导语】本文主要介绍了灯笼的起源，制作材料以及它的用处。 1．句意：中国最早的纸灯笼发明于东汉时期。主语与动词invent之间是被动关系，且描述过去发生的事情，应用一般过去时被动语态，主语是复数形式，助动词用were，故填were invented。 2．句意：此外，灯笼在节日里也被广泛使用。used为动词，此处应用副词widely修饰动词，故填widely。 3．句意：如今，无论是大城市还是小城镇，在节日期间都挂满红灯笼已经成为一种传统。tradition为单数名词，且为辅音音素开头的单词，此处应用不定冠词a表泛指，故填a。 4．句意：纸和丝绸是制作封面的主要材料。此句是一般现在时，and连接并列主语看作复数形式，be动词用are，故填are。 5．句意：人们喜欢在上面画美丽的中国画。介词on后接人称代词宾格作宾语，故填them。 6．句意：传统的灯笼外面覆盖着宣纸，里面燃烧着蜡烛。主语lantern与动词cover是动宾关系，结合语境，句子应用一般现在时的被动语态，主语lantern是单数形式，be动词用is，cover的过去分词是covered，故填is covered。 7． 句意：它们被视为幸福和良好祝愿的明亮象征。wish“祝愿”，可数名词，此空应填名词复数形式，故填wishes。 8．句意：人们通常在中国新年点上几盏灯笼，并在元宵节时与家人一起欣赏花灯表演。分析句子结构可知，此空应填频率副词usually作状语，故填usually。 9．句意：灯笼也用于各种庆祝活动。all kinds of“各种各样的”，固定搭配，故填of。 10．句意：灯笼已经成为中国的民族骄傲。形容词national后接名词，proud对应的名词是pride，故填pride。 11．hundred 12．were thrown 13．around 14．thanks 15．their/the 16．To bring 17．lying 18．but 19．most famous 20．is 【导语】本文主要介绍了古罗马帝国的辉煌历史成就以及古罗马人为后世流下的众多宝贵文物。 11．句意：在接下来的几百年里，它发展成为一个富裕而强大的城市。hundred“百”，前有few修饰，仍然用单数形式。故填hundred。 12．句意：他们还是婴儿时就被扔到后来成为罗马的地方。主语they和动词throw“扔”构成被动关系，应用被动语态“be done”；根据“which later became Rome”可知时态为一般过去时，且主语是复数，be动词应用were，throw过去分词为thrown。故填were thrown。 13．句意：到公元117年，罗马帝国包括了整个意大利、地中海周围的所有土地和欧洲的大部分地区，包括英格兰、威尔士和苏格兰的部分地区。根据“all the lands ... the Mediterranean”可知是指地中海周围的土地，介词around“在……周围”符合语境。故填around。 14．句意：罗马人建立了如此庞大的帝国，并征服了新的土地，这要归功于他们强大的军队。thanks to“幸亏，由于”，固定词组。故填thanks。 15．句意：罗马人并没有把所有的时间都花在战斗上。根据“The Romans didn’t spend all ... time fighting”可知是指没有花所有时间在战斗上，主语是The Romans，此处应用形容词性物主代词their“他们的”或定冠词the修饰名词time。故填their/the。 16．句意：为了将水带到他们的城市，聪明的罗马人建造了渡槽。根据“... water to their cities, the clever Romans built aqueducts”可知建造渡槽是为了供水，应用动词不定式表目的，句首首字母大写。故填To bring。 17．句意：罗马人喜欢享受他们的食物，经常躺在沙发上用手吃饭。根据“often ... down on a couch while eating with their hands”可知此处应用现在分词lying“躺”作伴随状语。故填lying。 18．句意：他们有时用勺子，但从不使用刀叉。根据“They sometimes used a spoon, ... they would never use a knife and fork.”可知此处表示转折关系，应用but连接。故填but。 19．句意：古罗马人留下的最著名的建筑之一是罗马市中心的斗兽场。one of+the+形容词最高级+可数名词复数，表示“最……之一”，形容词famous“著名的”最高级为most famous。故填most famous。 20．句意：这是公众观看体育赛事和游戏的地方，包括罗马角斗士之间的战斗！此处说明一般事实，时态应用一般现在时；主语是This，be动词用单数is。故填is。 21．persons 22．first 23．inventor 24．for 25．used 26．by 27．worried 28．that 29．easily 30．given 【导语】本文主要介绍了电话的真正发明者——安东尼奥·梅乌奇发明电话的经过。 21．句意：他被称为世界上最伟大的人之一，因为他发明了电话。“one of + adj.+名词复数”表示“……中的一个”可知，person“人”是可数名词，复数为persons。故填persons。 22．句意：然而，他不是第一个想出这种主意的人。根据“the... person”，可知，表顺序，需填one对应的序数词first，序数词前一般加the。故填first。 23．句意：在2002年，一个名叫安东尼奥·梅乌奇的人被官方认定为电话的发明者。根据“as the...”可知，空处指发明者，应填名词，invent为动词，其名词是inventor。故填inventor。 24．句意：谁是梅乌奇，为什么那个时候他没有因为他的发明而出名呢？be known for sth.是固定短语，表示“因……而出名”。故填for。 25．句意：那个时候人们过去通过写信来交流。根据“at that time”可知，时态是一般过去时，谓语动词需用过去式，used to do sth.为固定搭配，表示“过去常常做某事”。故填used。 26．句意：他发现当两个地方用导线连接时，声音会通过金属传递。根据“ two places were connected”可知，表被动，by用于被动句中，表示“被”。故填by。 27．句意：他担心她的妻子，因为她已经病得很重了。be worried about sb.表示“对某人担心”，为固定短语。故填worried。 28．句意：他如此忙以至于没时间一直陪在她身边。根据“so busy... he had to...”可知，考查“so...that...”句型，表示“如此……以至于……”。故填that。 29．句意：通过这种方式，他们可以容易地交谈。talk是动词，需用副词修饰，easy的副词形式是easily。故填easily。 30．句意：在1876年，电话这项专利给了Bell。the patent for the telephone是动词give的承受者，需用被动语态，由“was”可知，为一般过去时的被动语态，其结构是“was/were+动词的过去分词”，give的过去分词是given。故填given。 31．lessons 32．through 33．imagine 34．created 35．its 36．So 37．quickly 38．A 39．Knowledge 40．faster 【导语】本文介绍了纸张和印刷的存在对我们的生活产生的重要作用及意义。 31．句意：每天，我在课堂上打开书本开始上课。lesson“课”，可数名词，不止一节课，用其复数表泛指。故填lessons。 32．句意：每天晚上，我妈妈在家里翻阅杂志。此处指浏览杂志，look through“浏览，翻阅”，动词短语。故填through。 33．句意：我们能想象没有纸或印刷品的生活吗？imagine“想象”，动词，情态动词can后用其原形。故填imagine。 34．句意：纸张最早是在2000年前的中国发明的。create“创造”，动词。此处指纸张被创造，应为被动语态，结构是be done，故用其过去分词形式。故填created。 35．句意：在它发明后，人们开始在纸上写字来制作书籍。it“它”，代词主格。此处应用形容词性物主代词its，作定语修饰名词invention。故填its。 36．句意：因此，很少有人有机会学习阅读。根据“As a result, there were not many books, and they were expensive.”可知，书籍不多，且非常昂贵，因此很少人有机会阅读，后文表结果，用so连接，首字母大写。故填So。 37．句意：后来，印刷业的发展使生产书籍变得更快、更便宜成为可能。quick“快速的”，形容词。此处用其副词形式修饰动词produce。故填quickly。 38．句意：于是就有了图书交易，更多的人学会了阅读。此处指关于图书的一种交易应运而生，表泛指，且trade以辅音音素开头，其前加不定冠词a，首字母大写。故填A。 39．句意：知识和思想的传播速度比以往任何时候都快。knowledge“知识”，不可数名词，作主语，句首首字母大写。故填Knowledge。 40．句意：知识和思想的传播速度比以往任何时候都快。fast“快地”，由“than”可知，用其比较级。故填faster。 41．was developed 42．people’s 43．took 44．to 45．them 46．scientists 47．But 48．to drive 49．first 50．useful 【导语】本文主要讲了一款新的AI系统——GPT-1. 41．句意：这种新的AI工具是去年由美国的一个团队开发的。主语This new AI tool与a team之间是被动关系，develop“开发”，根据“last year”可知 ，时态为一般过去式，主语是单数形式，be动词用was，develop的过去分词为developed。故填was developed。 42．句意：扫描仪可以记录人们的大脑活动。空处修饰名词，应用所给单词people的所有格形式。故填people’s。 43．句意：三名人类志愿者参加了该团队的实验。take part in“参加”，时态为一般过去时，take的过去式为took。故填took。 44．句意：每个人花了十六个小时听故事。listen to story“听故事”，固定搭配。故填to。 45．句意：然后它在它们之间建立了联系。介词between后面应该加宾格形式，they的宾格形式为them。故填them。 46．句意：然后是测试：一些科学家让志愿者听一些新故事。scientist“科学家”可数名词，some修饰可数名词复数形式。故填scientists。 47．句意：但它们往往具有相同的含义。根据“The words weren’t exactly the same....they often carried the same meaning.”可知，空处前后表示转折关系，用but连接，句首字母大写。故填But。 48．句意：GPT-1得出这样的结论：“她还没有学会开车。”learn to do sth“学会做某事”，固定搭配，drive“开车”，空处应用动词不定式形式。故填to learn。 49．句意：科学家们表示，GPT-1是第一个将人类思想转化为文字的人工智能系统。根据“the”及所给单词提示可知，空处应用one的序数词first，表示第一个。故填first。 50．句意：在未来，这项技术可能对他们有用。be useful to sb“对某人有用”，be动词后面加形容词，use的形容词为useful。故填useful。 51．to make 52．an 53．invented 54．wooden 55．problems 56．blowing 57．first 58．quickly 59．their 60．of 【导语】本文主要介绍了风筝的起源。 51．句意：中国人用轻的木头，竹子，衣服，丝绸和纸来制作风筝。use sth to do sth“用某物做某事”，空处用不定式。故填to make。 52．句意：在古代中国，风筝在为士兵提供军事的信息方面发挥了重要作用。play an important role in“在某方面发挥重要作用”，空处用不定冠词an表示泛指。故填an。 53．句意：世界上大多数人认为风筝是中国的墨子和鲁班发明的。根据“kites were first ... by Mozi and Lu Ban”可知，主语kites与invent之间是动宾关系，空处用过去分词invented与were一起构成被动语态。故填invented。 54．句意：他们做了一个木制的风筝，可以把他们带到空中。此处作定语，修饰名词kite，用形容词wooden“木制的”。故填wooden。 55．句意：这个故事的问题是在中国没有发现那个时期的木制风筝。根据“are”可知，空处用名词复数problems作主语。故填problems。 56．句意：还有一个想法是，当一个中国农民在他的帽子上绑了一根线，防止它被大风吹走，第一只风筝诞生了。from是介词，后跟动名词。故填blowing。 57．句意：还有一个想法是，当一个中国农民在他的帽子上绑了一根线，防止它被大风吹走，第一只风筝诞生了。the后跟序数词first“第一”，此处表示第一只风筝诞生。故填first。 58．句意：多亏了马可·波罗和商人，中国风筝迅速从中国传播到世界各地。此处修饰动词spread，应用其副词形式quickly“快速地”。故填quickly。 59．句意：莱特兄弟在1903年想出了他们的飞机的想法，因为他们年轻的时候放风筝。此处修饰名词airplane，用其形容词性物主代词their“他们的”。故填their。 60．句意：莱特兄弟在1903年想出了他们的飞机的想法，因为他们年轻的时候放风筝。because of“因为，由于”，固定短语。故填of。 61．staying 62．has invented 63．be taken 64．who 65．uncomfortable 66．including 67．showers 68．successfully 69．to 70．an 【导语】本文主要介绍了克罗地亚的一家公司发明了世界上第一家名为“附近旅馆”的移动旅店。 61．句意：你能想象在移动宾馆里待上几天吗？imagine doing sth“想象做某事”，所以空处用stay的动名词，故填staying。 62．句意：最近，克罗地亚的一家公司发明了世界上第一家名为“附近旅馆”的移动旅馆。根据“Recently”可知，时态是现在完成时，主语是a company，助动词用has，invent变成过去分词invented。故填has invented。 63．句意：它非常方便，可以在30分钟内拆卸和移动。情态动词can后跟动词原形，主语it指代Nearby Hostel，与谓语之间是被动关系，因此用被动结构be done，故填be taken。 64．句意：“附近旅馆”旨在为那些想要避开不安全、不舒服的帐篷和遥远的酒店的人提供一个方便、便宜的音乐节场所。分析句子可知，本句是定语从句，空处是引导定语从句的关系词，在句中作主语，先行词是people，指人，所以关系词用who。故填who。 65．句意：“附近旅馆”旨在为那些想要避开不安全、不舒服的帐篷和遥远的酒店的人提供一个方便、便宜的音乐节场所。根据“avoid unsafe and...(comfortable) tents and faraway hotels”可知，应是避开不舒服的帐篷，用comfortable的反义词uncomfortable“不舒服的”作定语，故填uncomfortable。 66．句意：房间里有很多东西，包括电、基本家具、电视、Wifi，甚至冰箱。空前的“Many things”包括后文的“electricity, basic furniture, a television, Wifi, and even a fridge”，所以空处用介词including“包括”作状语，故填including。 67．句意：它也有空调和暖气，智能淋浴和四个厕所。shower“淋浴”，可数名词，此处表示类别，所以用复数，故填showers。 68．句意：在音乐节上，很多人都很难在黑暗中找到帐篷，但这家旅馆的用户将通过一款应用程序被引导回到自己的房间。空处修饰动词finding，所以用success的副词形式successfully“成功地；顺利地”。故填successfully。 69．句意：它也在早上为人们提供咖啡。offer sth to sb“向某人提供某物”，固定短语，故填to。 70．句意：你期待这样的体验吗？experience在这里意为“体验”，是可数名词，此处泛指“一次体验”，且experience首字母发元音音素，所以用不定冠词an，故填an。 71．quickly 72．with 73．how 74．invented 75．but 76．when 77．faster 78．their 79．on 80．gives 【导语】本文讲述了科学技术的发展会改变人们的生活，主要介绍了科学家发明的机器人乒乓球教练的事情。 71．句意：如今科学技术发展迅速，很难想象未来会发生什么。根据“Science and technology is developing...(quick) these days,”可知，空处应用quick的副词形式quickly，修饰谓语结构is developing。故填quickly。 72．句意：当有人提出一个新想法时，发明家可能会利用这个想法创造一项新发明。根据“comes up...a new idea”可知，此处是come up with“提出”，为固定短语。故填with。 73．句意：这是多么有趣啊！根据“...interesting it is!”可知，句子是感叹句，中心词是形容词interesting，该感叹句的句式应是“how+形容词+主谓”。故填how。 74．句意：最近，一位科学家发明了一种特殊的机器人，它可以当乒乓球教练。根据“Recently, a scientist has...(invent) a special robot”可知，“Recently”和空前的助动词“has”提示了句子用现在完成时，谓语结构是have/has done，此空应用动词invent的过去分词。故填invented。 75．句意：这意味着人们不仅可以和人类一起练习乒乓球，还可以和机器人一起练习。根据“not only with humans, ...also with a robot”可知，此处是not only...but also...，表示“不仅……而且……”。故填but。 76．句意：当研究球的速度时，机器人就可以知道球员的技术水平。根据“The robot can know the players’ skill levels...studying the speeds of the ball.”可知，空处应是when“当……的时候”，引导时间状语从句。故填when。 77．句意：如果玩家的水平更好，机器人将以更快、更困难的方式进行游戏。根据“and more difficult”可知，空处也应用比较级faster。故填faster。 78．句意：在比赛中，它会说“干得好！”和“加油！”之类的话，来鼓励球员们尽力做到最好。根据“try...(they) best”可知，此处是try one’s best“尽某人最大的努力”，为固定短语，空处应用they的形容词性物主代词，故填their。 79．句意：加油！come on“加油，来吧”，为固定表达。故填on。 80．句意：同时，它也为提高技能提出了一些很好的建议。结合上下文，句子用一般现在时，主语是it，谓语动词give用三单形式，故填gives。 答案第1页，共2页 答案第1页，共2页 学科网（北京）股份有限公司 $$