选择性必修第一册 UNIT 3 CONSERVATION（word练习）-【导学教程】2025年英语新编高考大一轮总复习（北师大版）

[对应学生用书P527] A级　阅读提升练 Ⅰ.阅读理解 A (2024·天水高三统考)Have you ever been into a cave? If not, please follow us and explore some of the most beautiful caves from around the world! Marble Caves Located in the center of Lake General Carrera, the Marble Caves in Chico, Chile, are only accessible by boat. The surrounding crystal clear waters allow visitors to see the rock formations beneath them while the rock ceilings above change color(depending on the water levels and the season). The best time to visit: during sunrise and sunset, when the sun's rays light up the cave walls, making it an experience to remember. Reed Flute Cave Reed Flute Cave known as “the Palace of Natural Arts” is located in the northwest of Guilin in southern China.The limestone cave offers a grand fairyland of stalactites(钟乳石), stone pillars, stone curtains, birds, plants and animals in fantastic shapes and colors. Fingal's Cave This incredible sea cave is located on the uninhabited island of Staffa in Scotland. The cave's size, shape, and naturally­arched(拱形的) roof combine with the waves to create strange sounds that enhance its cathedral­like atmosphere. The Blue Grotto The Blue Grotto is the symbol of Capri. It is a sea cave found on the coast of the island and is a well­known spot to all who visit the area. This cave is unique for its brilliant blue light which comes from two sources: the entrance to the cave and a bigger hole beneath the entrance. When viewed from inside the cave, the entrance appears as a brilliant white light just above the waterline, while the underwater hole, which is the larger source of light, provides a blue light. [语篇解读]　这是一篇应用文。短文介绍了世界上最美丽的几个洞穴。 1．Why is sunset the best time to visit Marble Caves? A．Because it has enough light in it. B．Because it has the most beautiful scenery. C．Because it is surrounded by clear waters. D．Because boats are only available at sunset. 解析　A　细节理解题。由Marble Caves中的“The best time to visit: during sunrise and sunset，when the sun's rays light up the cave walls, making it an experience to remember.”可知，游览的最佳时间：日出和日落时，太阳的光线照亮洞穴的墙壁，使之成为一种值得记忆的体验。所以为什么日落是参观Marble Caves的最佳时间，是因为那个时候，洞里面有足够的光。故A选项正确。 2．Which cave will you go to if you want to enjoy the strange sound? A．Reed Flute Cave. B．Marble Caves. C．The Blue Grotto. D．Fingal's Cave. 解析　D　细节理解题。由Fingal's Cave中的“The cave's size, shape, and naturally­arched roof combine with the waves to create strange sounds that enhance its cathedral­like atmosphere.”可知，这个洞穴的大小、形状和自然的拱形屋顶与波浪相结合，创造出奇怪的声音，增加了如同大教堂般氛围的吸引力。所以如果你喜欢奇怪的声音，你可以去Fingal's Cave。故D选项正确。 3．What is special about the Blue Grotto? A．Clear waters. B．Various birds and animals. C．Bright blue light. D．Strange shapes. 解析　C　细节理解题。由The Blue Grotto中的“This cave is unique for its brilliant blue light which comes from two sources: the entrance to the cave and a bigger hole beneath the entrance.”可知，这个洞穴是独一无二的，因为它明亮的蓝光来自两个源头：洞穴的入口和入口下面的一个更大的洞。所以the Blue Grotto的特别之处在于它的明亮的蓝色光。故C选项正确。 B (2024·邵阳高三联考)Heat waves are becoming more common in parts of the United States—and that means more people running their air conditioners for longer. But those air conditioners can make the problem worse, giving off greenhouse gases as they work that contribute heavily to climate change. SkyCool Systems is trying to break that cycle, using technology that promises to offer buildings an alternative means to cool down in a similar way to how the planet cools itself. “Our planet naturally cools itself by sending heat out in the form of infrared light (红外线) or radiation，” said Eli Goldstein, SkyCool's cofounder and CEO. “We do this through rooftop panels, which look like solar panels but actually do the opposite, reflecting 97% of the sunlight that hits them and cooling the surface below，” said Goldstein. SkyCool's model involves fixing a network of pipes below those panels. These pipes are filled with water, which is kept cool by the panels and then flows into an air conditioning system. This process is designed to take pressure off the system's cooling mechanism. And because the panels cool naturally and don't need external power to function, it helps the entire system use less electricity. A Grocery Outlet store in California, which has been using SkyCool's system since last year, says it saw a marked drop in its electrical bills. Jesus Valenzuela, the store manager, estimates that the panels have saved his store roughly $3，000 a month. But perhaps the biggest barrier to making the technology ubiquitous (无处不在的) is its relatively high cost. Increasing production could help bring the cost down, Goldstein said, particularly for developing countries in Asia and Africa where SkyCool hopes to eventually expand. For now, the company is focused on commercial applications of the technology, though it hopes to start setting up panels on the roofs of individual homes. “We're just excited to be able to use this new technology for good，” Goldstein said. [语篇解读]　这是一篇说明文。SkyCool系统通过屋顶面板来让建筑物冷却下来，这能够缓解温室效应，也能够达到节能的效果。 4．How did Goldstein explain the way their rooftop panels work? A．By citing an expert's words. B．By making comparisons. C．By analyzing cause and effect. D．By describing the process in detail. 解析　B　推理判断题。根据第二段最后一句中的“We do this through rooftop panels, which look like solar panels but actually do the opposite, reflecting 97% of the sunlight that hits them and cooling the surface below(我们通过屋顶面板来做到这一点，它看起来像太阳能电池板，但实际上相反，反射97%的阳光照射到它们，并冷却下面的表面)”和倒第二句“Our planet naturally cools itself by sending heat out in the form of infrared light (红外线) or radiation(我们的星球通过以红外光或辐射的形式发出热量来自然地冷却自己)”可推知，戈尔茨坦通过作比较来解释他们屋顶面板的工作方式。故选B。 5．What is the function of the pipes in SkyCool's model? A．To store cold water to help cool the panels. B．To help ease the water pressure of the air conditioning. C．To power the panels by making use of flowing water. D．To feed cold water into the air conditioning system. 解析　D　细节理解题。根据第三段第二句“These pipes are filled with water, which is kept cool by the panels and then flows into an air conditioning system.(这些管道里装满了水，这些水通过面板保持凉爽，然后流入空调系统)”可知，在SkyCool的模型中管道的功能是给空调系统注入冷水。故选D。 6．How might Jesus Valenzuela view SkyCool's system? A．It's pretty effective. B．It has increased sales for his store. C．It will go out of style quickly. D．It will cost too much to set up. 解析　A　推理判断题。根据第四段最后一句“Jesus Valenzuela, the store manager, estimates that the panels have saved his store roughly $3，000 a month.(商店经理赫苏斯·巴伦苏埃拉估计，这些电池板每月为他的商店节省了大约3 000美元)”可推知，苏斯·巴伦苏埃可能认为SkyCool的系统是高效的。故选A。 7．What does SkyCool expect of its system? A．It'll bring in a good profit for the company. B．It'll gain popularity in developed countries. C．It'll take the place of air conditioners. D．It'll be accessible to common households. 解析　D　细节理解题。根据最后一段倒第二句“For now, the company is focused on commercial applications of the technology, though it hopes to start setting up panels on the roofs of individual homes.(目前，该公司专注于这项技术的商业应用，尽管它希望开始在个人住宅的屋顶上安装太阳能电池板)”可知，SkyCool对它的系统的期望是普通家庭都可以使用。故选D。 Ⅱ.七选五 (2023·连云港高三统考)The degree to which you leave traces (or data) of your online activities is referred to as your digital footprint.__1__ What you usually leave behind include the remains of a campfire, your dinner scraps, and the path you carved in the woods while hiking. In some cases, there's a legal use for your digital footprint, such as website owners and advertisers collecting information about your online habits and purchasing preferences to better accommodate your needs.__2__ Perhaps the biggest risk people face online is having their identity stolen. Besides identity theft, criminals can gather enough information about a person to target him for fraud (欺诈). __3__ Here are some steps you can take to minimize it. Don't use your primary email address when creating online accounts. You can create one­off email addresses to make it harder for someone to develop a picture of all the sites and services you use. Another step for you is not to over­share. __4__ So you can restrict your social media posts to friends or close contacts only. Finally, don't let websites sell your data. Increasingly, websites are adding privacy tools that prevent you from having your personal information sold to advertisers or shared with partners. __5__ A．You're leaving an “active” digital footprint or a “passive” one. B．You'll need to look for these controls right now, if they exist at all. C．You probably don't need your personal life to be completely public. D．It's similar to the evidence you might leave behind after going camping. E．In the case of your digital footprint, the evidence you leave behind is data. F．It's inescapable to leave some sort of digital footprint after your online activity. G．But the data can also be used by hackers, criminals and other immoral actors. [语篇解读]　这是一篇说明文。文章主要介绍了一些可以减少上网后留下的数字足迹的步骤。 1．解析　D　根据上文“The degree to which you leave traces (or data) of your online activities is referred to as your digital footprint.[你留下的在线活动的痕迹(或数据)的程度被称为你的数字足迹。]”可知，空处应该继续解释什么是数字足迹。D项：It's similar to the evidence you might leave behind after going camping.(这和你去露营后留下的证据很相似。)符合语境。故选D。 2．解析　G　根据上文“In some cases, there's a legal use for your digital footprint, such as website owners and advertisers collecting information about your online habits and purchasing preferences to better accommodate your needs.(在某些情况下，你的数字足迹有合法的用途，比如网站所有者和广告商收集关于你的在线习惯和购买偏好的信息，以更好地满足你的需求。)”和下文“Perhaps the biggest risk people face online is having their identity stolen. Besides identity theft, criminals can gather enough information about a person to target him for fraud (欺诈).(也许人们在网上面临的最大风险是身份被盗。除了身份盗窃，犯罪分子还可以收集到足够的个人信息，以进行诈骗。)”可知，上文提到数字足迹带来的好处，下文提到在网上留下数据面临的风险，空处和上文形成转折关系。G项：But the data can also be used by hackers, criminals and other immoral actors.(但这些数据也可能被黑客、罪犯和其他不道德的行为者利用。)符合语境。故选G。 3．解析　F　根据下文“Here are some steps you can take to minimize it.(这里有一些你可以采取的步骤来减少它。)”可知，上文提到上网时留下足迹是不可避免的，F项中的“some sort of digital footprint”和下文中的“it”对应。F项：It's inescapable to leave some sort of digital footprint after your online activity.(上网后不可避免地会留下一些数字足迹。)符合语境。故选F。 4．解析　C　根据上文“Another step for you is not to over­share.(另一个步骤是不要过度分享。)”和下文“So you can restrict your social media posts to friends or close contacts only.(所以你可以限制你的社交媒体帖子只有朋友或亲密的联系人能看到。)”可知，空处解释说明不要完全公开个人生活，从而达到不要过度分享的目的。C项：You probably don't need your personal life to be completely public.(你可能不需要把你的个人生活完全公开。)符合语境。故选C。 5．解析　B　根据上文“Increasingly, websites are adding privacy tools that prevent you from having your personal information sold to advertisers or shared with partners.(越来越多的网站正在添加隐私工具，以防止你的个人信息被出售给广告商或与合作伙伴共享。)”可知，此处是说要使用这些工具。B项：You'll need to look for these controls right now, if they exist at all.(你需要马上寻找这些控件，如果它们存在的话。)符合语境。故选B。 Ⅲ.完形填空 (2024·天水高三统考)The suburb I live in backs on to a large nature reserve. One morning I saw a koala (考拉) sitting in a palm tree in my front yard. I phoned around to ask what I could __1__ this koala, but no one wanted to know. I ended up __2__ the koala out of my tree and we crossed the road __3__ for him to return to the nature reserve. I've always been befriending animals. As a young kid I used to pick up lizard eggs and __4__ them. It stimulated my interest as to why there wasn't anyone wanting to come and __5__ this koala in my tree. After that, I signed up for all the __6__ I could find. Once I had accreditation (合格证), I volunteered with the RSPCA in 2014, rehabilitating (使康复) wildlife. I was an ambulance driver, __7__ overnight rescues. We rescued hundreds of animals and __8__ more. One day, I thought why not __9__ my own rescue group focusing on my backyard? I purchased a two­acre property and built enclosures on it to __10__ injured animals. Last year, I planted 300 eucalyptus trees(桉树), with seven varieties to __11__ the koalas. I cut the leaves of the eucalyptus trees for the koalas to eat and look after the __12__ wildlife at our centre. If they recover, they are __13__ back to where they come from. As a kid I would never have imagined doing this. I feel like I'm the __14__ girl on the planet that I get to do what I love. I believe it's my __15__． [语篇解读]　本文是一篇记叙文。主要讲述的是作者为保护野生动物而成立了一个救援小组，并把援救野生动物当做自己的使命。 1．A.learn from B．do about C．require of D．save for 解析　B　考查动词短语词义辨析。句意：我给周围的人打了电话，问我能为这只考拉做些什么，但没有人想知道。learn from从……中学习；do about处理；require of需要；save for保存为。根据下文中的“I ended up __2__ the koala out of my tree and we crossed the road __3__ for him to return to the nature reserve.”可知，此处指的是作者不知道如何“处理”在前院树上的考拉。故选B。 2．A.kicking B．shooting C．coaching D．blowing 解析　C　考查动词词义辨析。句意：最后，我把考拉从我的树上赶了下来，我们一起穿过马路，让它回到自然保护区。kick踢；shoot射击；coach指导；blow吹，刮。根据空后“out of my tree”以及“for him to return to the nature reserve”可知，此处指的是作者决定把考拉从树上“赶”下来。故选C。 3．A.together B．illegally C．angrily D．guiltily 解析　A　考查副词词义辨析。句意：最后，我把考拉从我的树上赶了下来，我们一起穿过马路，让它回到自然保护区。together一起；illegally非法的；angrily生气地；guiltily内疚的。根据上文中的“we crossed the road”可知，此处指的是我们“一起”。故选A。 4．A.roll B．sell C．break D．hatch 解析　D　考查动词词义辨析。句意：当我还是个孩子的时候，我经常捡起蜥蜴蛋并孵化它们。roll滚动；sell售卖；break打破；hatch孵化。根据上文中的“I've always been befriending animals.”以及“pick up lizard eggs”可知，此处指的是“孵化”符合语境。故选D。 5．A.rescue B．admire C．purchase D．identify 解析　A　考查动词词义辨析。句意：这激发了我的兴趣，为什么没有人愿意来救我树上的这只考拉。rescue救援；admire羡慕；purchase购买；identify辨别。根据下文中的“We rescued hundreds of animals and __8__ more.”和语境可知，本文与野生动物保护相关，所以此处指的是“援救”考拉。故选A。 6．A.courses B．races C．fairs D．shows 解析　A　考查名词词义辨析。句意：在那之后，我报了所有我能找到的课程。course课程；race种族；fair展览会；show展览。根据下文中的“Once I had accreditation (合格证)”可知，此处指的是作者报名学习一些“课程”。故选A。 7．A.watching B．attending C．recording D．assessing 解析　B　考查动词词义辨析。句意：我是一名救护车司机，参加夜间救援。watch观察；attend参加；record记录；assess评估。根据上文中的“I was an ambulance driver”可知，作为救护车司机，作者经常“参加”夜间救援。故选B。 8．A.made out B．ran across C．gave up D．cared for 解析　D　考查动词短语词义辨析。句意：我们拯救了数百只动物，并照顾了更多的动物。make out弄清楚；run across偶遇；give up放弃；care for关心，照顾。根据上文中的“rescued hundreds of animals”和语境可知，此处指的是“照顾”野生动物。故选D。 9．A.leave B．start C．dismiss D．advertise 解析　B　考查动词词义辨析。句意：有一天，我想，为什么不成立自己的救援小组，专注于我的后院呢？leave离开；start开始，成立；dismiss开除，解散；advertise做广告。根据下文中的“I purchased a two­acre property and built enclosures on it to __10__ injured animals.”可知，作者购买2英亩的土地是为了“成立”一个救援小组。故选B。 10．A.house B．hunt C．train D．amuse 解析　A　考查动词词义辨析。句意：我买了一块两英亩的土地，并在上面建了围栏来安置受伤的动物。house收藏，安置；hunt打猎；train训练；amuse使愉快。根据上文中的“I purchased a two­acre property and built enclosures on it”及常识可知，在地上建围栏是给动物“提供住宿”。故选A。 11．A.confuse B．direct C．feed D．test 解析　C　考查动词词义辨析。句意：去年，我种了300棵桉树，有7个品种供考拉食用。confuse使迷惑；direct指引；feed喂养；test测试。根据上文中的“I planted 300 eucalyptus trees(桉树)”以及下文中的“I cut the leaves of the eucalyptus trees for the koalas to eat”可知，考拉是以桉树叶为食，所以此处指的是供考拉“食用”。故选C。 12．A.aggressive B．hungry C．deserted D．injured 解析　D　考查形容词词义辨析。句意：我砍下桉树的叶子给考拉吃，并照顾我们中心受伤的野生动物。aggressive好斗的；hungry饥饿的；deserted遗弃的；injured受伤的。结合语境以及上文中的“look after”可知，此处指的是“受伤的”野生动物。故选D。 13．A.sold B．released C．thrown D．dragged 解析　B　考查动词词义辨析。句意：如果它们康复了，就会被放回到它们来的地方。sell售卖；release发布，释放；throw扔，抛；drag拖，拉。根据上文中的“If they recover”以及语境可知，野生动物受伤后被治疗，痊愈后“释放”到它们来的地方。故选B。 14．A.quietest B．greediest C．noisiest D．luckiest 解析　D　考查形容词词义辨析。句意：我觉得我是这个星球上最幸运的女孩，我可以做我喜欢的事情。quiet平静的；greedy贪婪的；noisy吵闹的；lucky幸运的。根据下文中的“I get to do what I love”可知，能够做自己喜欢做的事情，所以作者觉得自己是“最幸运”的人。故选D。 15．A.guess B．calling C．treat D．fault 解析　B　考查动词词义辨析。句意：我相信这是我的使命。guess猜测；calling呼叫，使命；treat对待，请客；fault毛病。根据上文中的“As a kid I would never have imagined doing this. I feel like I'm the __14__ girl on the planet that I get to do what I love.”可知，作者觉得自己小的时候从未想过的事情，现在成了自己喜欢做的事情，所以，作者觉得这是她的“使命”。故选B。 B级　写作规范练 Ⅰ.语法填空 (2023·武昌区质检)A UNESCO World Cultural Heritage Site today，the ancient town of Pingyao in Shanxi Province formed China's economic backbone during the Qing Dynasty. The town was home 1.________ the country's first piaohao(money exchange house)that financed the empire during a period when all bookkeeping was on paper，and the only way 2.________ (deal)with numbers involved the abacus(算盘). In the 19th century，merchants from Shanxi were making their 3.________ (present)felt in many other nations. They had to rely on security guards for transferring their wealth—gold and silver. The method was hardly safe and thus 4.________ (lead)to the emergence of piaohao. The Rishengchang Bank，which 5.________ (literal)means “sunrise prosperity”，was established in 1823 and it became the prototype(原型)of China's early financial system. At its peak，the Rishengchang Bank had more than 35 branches across the country，with business 6.________ (reach)as far as Europe and the US. 7.________ more than a century later，in 1932，the exchange house halted(完全停止)its operations，the antiques displayed in the museum today continue to fascinate people. In 2006，the Rishengchang museum was named 8.________ “major national cultural relic” under protection by the State Council. Since then，it 9.________ (make)its way across the country and abroad. The museum now preserves original account books，letters，bills of exchange and seals，10.________ existence reflects the spirit and wisdom of the Shanxi merchants. [语篇解读]　本文是一篇说明文。山西平遥古城已经被联合国教科文组织列为世界文化遗址，其中的日升昌银行曾经是中国第一家票号，是中国早期金融体系的原型。本文重点介绍了日升昌银行的历史。 1．解析　to　考查介词。此处考查固定搭配be home to，意为“是……的所在地”。故填to。 2．解析　to deal　考查非谓语动词。the only way to do“做……的唯一方式”，是固定用法。故填to deal。 3．解析　presence　考查名词。物主代词后接名词。根据their可知，空处用名词形式。故填presence。 4．解析　led　考查动词的时态和语态。根据该段首句的时间状语“In the 19th century”可知，该处陈述的是过去发生的事情，故用一般过去时；又因主语The method与lead之间是主动关系。故填led。 5．解析　literally　考查副词。空处修饰动词means，故用副词形式。故填literally。 6．解析　reaching　考查非谓语动词。分析句子结构可知，此处考查with复合结构，reach与其逻辑主语business之间为主谓关系，故用现在分词。故填reaching。 7．解析　Though/Although/While　考查连词。结合句意可知，此处是指尽管一个多世纪后的1932年，交易所停止了运作，但今天博物馆里展出的古董仍然吸引着人们。空处引导让步状语从句，首字母大写。故填Though/Although/While。 8．解析　a　考查冠词。分析句子结构可知，此处缺少冠词；结合句意可知，此处表泛指，且major的发音以辅音音素开头。故填a。 9．解析　has made　考查动词的时态、语态和主谓一致。根据时间状语“Since then”可知，应用现在完成时；主语it和make之间为主动关系；又因主语it为第三人称单数，故谓语动词用单数。故填has made。 10．解析　whose　考查定语从句。分析句子结构可知，空处引导定语从句，在从句中作定语，故填whose。 Ⅱ.应用文写作 (2023·深圳高三阶段练习)假定你是中学生李华，在你校学习的美国交换生Jack给你写了一封邮件，表达了他想参加学校社团活动的意愿，请你向他推荐一个他可以参加的社团。现请你给他回邮件，内容要点包括： 1．推荐社团名称； 2．推荐理由； 3．表达祝愿。 注意：1.词数80左右； 2．可以适当增加细节，以使行文连贯。 ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ One possible version： Dear Jack， I'm Li Hua. Hearing that you plan to join a club in our school, I'm writing to recommend to you the choral club. Given your keen interest in singing, it is absolutely the most suitable club for you where students enthusiastic about singing will gather together to perform classic Chinese songs. Besides, by immersing yourself in it, you will not only establish friendship with more Chinese students, but also you will have a better command of Chinese and a deeper insight into Chinese culture. Wish you a rosy experience in the club you like! Yours， Li Hua Ⅲ.读后续写 (2024·徐州高三开学考试)阅读下面材料，根据其内容和所给段落开头语续写两段，使之构成一篇完整的短文。 “Where's the rest of my paper？” thundered an angry Papa Bear, storming into the living room. It didn't take him long to find Brother Bear and the sports section. “I just borrowed it.” said Brother. Papa snatched it up and plumped down in his easy chair. Brother wandered into the kitchen looking for sympathy from Mama Bear. “Gee，” he said, “what's eating him？” “Your father looks forward to his evening paper，” Mama said, “and he has a perfect right to be annoyed when half of it is missing—and furthermore, thank you not to refer to your father as him！” She stomped out of the kitchen. “Why not? He's a him, isn't he? Gosh，” said Brother, “what's eating her？” What was “eating” Mama was Sister Bear. Sister had been on the phone with Lizy Bruin for almost an hour. “But Mama！” she protested when she was told to say good­bye. “Don't But Mama'me！” said Mama Bear. “This is not your private phone. You've had all day to talk to Lizy at school, and you'll have all day to talk to her tomorrow. So hang up that phone now！” Sister did as she was told. “Phew！” breathed Brother as he fell into the seat beside Cousin Fred on the school bus. “Tough morning？” asked Fred. “You better believe it！” said Sister, taking the seat Lizzy had saved for her. The four compared notes on the way to school. The children agreed that while there was no doubt that their parents loved them, they were a little difficult to get along with sometimes. They nagged (唠叨); they said no a lot; and they never wanted kids to have any fun. “Hey，” said Brother as they got off the bus, “what are we going to do for the Parents Night Talent Show？” “Don't know，” said Lizzy. “Let's think about it.” When the four searched their brains, Brother snapped his fingers and said, “I've got it! Remember what we were talking about just now？” “Sure，” said Fred. “We were saying how grownups can be a big pain.” 注意：1.续写词数应为150左右； 2．请按如下格式作答。 “Well，” said Brother, “let's put on a play about that, and call it...” ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ Despite the difficulties in the preparation, especially costumes, their big day came finally. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ One possible version： “Well” said Brother “let's put on a play about that, and call it...” “The Trouble with Grownups！” shouted all the others. “Sensational！” said Sister as they slapped hands, delighted with the idea of showing parents how hard it is being cub. Putting on a play is easier said than done. You have to write it, figure out who is going to play the parts, then memorize it. Then you have to worry about costumes and scenery. The cubs did all that. It was hard, but it was fun, and they did it all in secret. The four practiced their parts, and before they knew it, it was time for the big Parents Night Talent Show. Despite the difficulties in the preparation, especially costumes, their big day came finally. The audience of parents laughed and laughed when they saw how they seemed to their cubs. Mama and Papa laughed until tears rolled down their cheeks. Papa laughed, too, but not as much as Mama. They both thought the play, which was a big surprise to them, was very well done. They admitted that it helped them understand what it was like being a cub. Later, when they were going back home, Papa said, “I have a better idea how cubs feel now.” Mama agreed. “After all, we were cubs once ourselves，” said Mama. “And here's a thought: You'll be grownups someday and, each probably have cubs of your own.” Brother and Sister thought about that for a moment. They looked at each other. Then they looked out into the distance and thought about it. It was something to think about. 学科网（北京）股份有限公司 $$