第一部分 基础课堂 Unit 4 The Earth-【宝典训练】2026-2027学年七年级上册英语高效课堂Word教师用书（沪教版·新教材）

　4　The Earth 一、词性转换。 1．amaze v． 使惊奇— amazing adj． 令人大为惊奇的— amazed adj． 感到惊奇的 2．cover v．/n． 覆盖/覆盖物— discover (反义词) v． 发现 3．freezing adj．极冷的— freeze v． (使)结冰 4．north n．北；北方— northern adj．北方的 5．wide adj．宽的；辽阔的— widely adv．普遍地；广泛地；范围广地 6．disappear v． 消失；不见— appear v． 出现；显得— disappearance n． 消失 7．explore v．探索— explorer n． 探险家— exploration n． 探测 8．pollution n． 污染— pollute v． 污染 9．protect v．保护— protection n．保护— protector n． 保护者 10．harmful adj．有害的— harm v．/n． 伤害；损害— harmless adj． 无害的 二、重点短语。 1．cut down 砍倒 2．blow away 吹走 3．hundreds of 数以百计 4．in the 1800s 在19世纪 5．what's more 更重要的是 6．plastic pollution 塑料污染 7．be covered by 被……覆盖 8．as far as we know 据我们所知 9．in the north of… 在……的北部 10．provide… with… 提供；供应；给予 11．end up 最终处于 12．because of 因为；由于 13．water pollution 水污染 14．millions of 数以百万计的 15．be home to… 是……的家园 16．stop doing sth 停止做某事 17．fewer and fewer /less and less 越来越少 18．in many different ways 在许多不同的方面 19．try one's best to 尽某人的最大努力去…… 20．in the middle of /in the centre of 在……中间 三、重点句子。 1．The Earth is home to millions of animals． 地球是数百万动物的家园。 2．The plants on Earth are wonderful in many different ways． 地球上的植物在许多方面都令人惊叹。 3．And what's more, the Earth provides us with all the things we need, such as food, water, air and energy． 而且，更重要的是，地球为我们提供了我们需要的所有东西，如食物、水、空气和能源。 一、根据首字母提示写出单词，如需要，适当变化，使句意完整正确。 1．It is freezing cold and snowy in winter． 2．The North Pole has no land, only thick ice． 3．They want to explore the land to the south of the river． 4．The road was just wide enough for two vehicles (车辆) to pass． 5．The robot doesn't work． Do you have a better solution? 6．We're looking around for a house in this area． 7．People usually blow out the candles on their cake after they make a wish． 8．Too many cars on the road will cause air pollution． 二、根据汉语提示写出单词，如需要，适当变化，使句意完整正确。 1．We shouldn't use too many plastic (塑料的) bags． They're bad for the environment． 2．We hope there will be no more wars (战争) in the world． 3．A whale (鲸) is a huge animal that lives in the ocean． 4．Our grandparents' generation (一代人) had different ways of life． 5．The Earth is our beautiful planet (行星)． We should protect it． 6．In ancient times, an emperor (皇帝) ruled a country． 7．The desert (沙漠) is a dry place with little water and few plants． 8．People shouldn't hunt (打猎) wild animals for their fur． 三、用括号内所给提示词的适当形式填空。 1．The farmers covered (cover) over the rice before the rain began． 2．I was amazed (amaze) at her knowledge of France． 3．It is difficult for animals to find (find) food in winter． 4．The river is 10 metres deep (depth) and 20 metres wide． 5．We should do what we can do to reduce pollution because it is harmful (harm) to the Earth． 6．People cut (cut) down and burned lots of trees to make energy in the past． 7．Millions (million) of visitors come to visit Shenzhen every year． 8．She provided (provide) us with a lot of help in the past． 四、从方框中选择合适的短语填空。 such as　provide…with　sea level　make energy　blow away 1．We learn many subjects at school, such as English and history． 2．Many people still burn wood to make energy． 3．The zoo provides us with some places to have a break． 4．The strong wind blew away many trees yesterday． 5．As the climate gets warmer, the sea level also rises． 一、根据要求写出相应的单词。 1．north—northern(adj．)北方的 2．wide—width(n．)宽度 3．pollution—pollute(v．)污染 4．protect—protection(n．)保护 5．chemical—chemistry(n．)化学 6．harmful—harm(v．)伤害；损害 7．own—owner(n．)拥有者；主人 8．hunt—hunter(n．)猎人 9．solution—solve(v．)解决 二、用所给单词的适当形式填空。 1．amaze (1)She told an amazing story of her escape from the burning building． (2)I was amazed by the amount of food they ate during the meal． 2．cover (1)The mountain is covered by a thick layer of snow for most of the year． (2)She discovered a new planet while studying the night sky． 3．wide (1)Please open your mouth as wide as you can． (2)The news of the accident spread widely throughout the community． (3)The bridge is about 30 metres in width． 4．freeze (1)It's freezing cold outside． (2)Can you freeze this cake? (3)Sometimes I use frozen food for dinner． 5．pollute (1)The river has been polluted by waste water from the factories． (2)We should stop the water from being polluted． (3)Pollution is a big problem in modern cities now． 6．protect (1)We all need to protect ourselves against disease． (2)The businessman protected the old pictures． Last year he returned it to his country． (3)It gave them complete protection but they wanted to do things on their own． 7．harmful (1)It's dangerous and will do harm to our health． (2)Too much junk food will act harmfully on our bodies in our daily life． (3)Chemicals are harmful to fish in the water． (4)These are all harmless vegetables, pure natural products． 一、根据汉语意思写出相应的短语。 1．了解 learn about 2．保护地球 protect the Earth 3．照顾 take care of 4．超出海平面 above sea level 5．在许多不同的方面 in many different ways 6．和……一样小 as small as 7．一粒米 a grain of rice 8．是……的家园 be home to… 9．数以百万计的 millions of 10．生活在陆地上 live on land 11．更重要的是 what's more 12．提供；供应；给予 provide…with… 二、从方框中选择合适的短语并用其适当形式填空。 cut down　as far as we know　hundreds of　in many ways　be home to 1．People cut down too many trees, so animals are in great danger． 2．Southern Africa is home to animals, such as lions and zebras． 3．Her opinions are similar to mine in many ways． 4．As far as we know, there are no lives on other planets except the Earth． 5．Hundreds of students took part in the school sports meeting last week． 三、翻译句子。(使用括号里所给的短语) 1．太阳系有八大行星。 (solar system) There are eight planets in the solar system． 2．地球表面大部分被水覆盖。( be covered by) Most of the Earth's surface is covered by water． 3．地球给我们提供了充足的水和其他的资源。 (provide…with…) The Earth provides us with enough water and other resources． 四、以读促写：阅读短文，根据中文提示完成句子，让文章完整。 The Earth is an amazing planet! Some places are very hot, like the areas near the equator． Some are freezing cold, like the North and South Poles．There are 1．fields and mountains (田野和山脉), rivers and seas, 2．forests and deserts (森林和沙漠)． The highest mountain on Earth is over 8，800 metres 3．above sea level (超过海平面)． And 4．the deepest part (最深的部分) of the sea is more than 10，000 metres down． The plants on Earth are wonderful 5．in many different ways (在许多不同的方面)． The tallest trees in the world can reach over 100 metres in height． The smallest plant is as small as 6．a grain of rice (一粒米)． The Earth 7．is home to(是……的家园) millions of animals． Some, like tigers and lions, live on land． Other animals, like birds, 8．enjoy the wide open sky (喜欢广阔的天空)． Big blue whales call the sea home, along with many amazing fish． From bears to birds, from butterflies to seahorses, animals 9．make our planet lovely (让我们的星球变得可爱) and interesting． And what's more, the Earth is our home． Let's explore, learn about and 10．take care of(照顾) our home． 一、单项选择。 (A)1．The animal is so ． It can understand people's words． A．amazing B．boring C．exciting D．lucky (A)2．Many wild animals are in danger． We should them． A．protect B．provide C．pollute D．practise (B)3．We should stop people from wild animal． They are our friends． A．caring B．buying C．feeding D．supporting (B)4．Henry the tall tree and used it to make a table． A．cut up B．cut down C．blew away D．cleaned up (D)5．The book a coat, so the boy couldn't find it． A．covered B．covered by C． covered with D．is covered by (D)6． visitors come to this small village every day． A．Hundred B．A hundred C．Hundred of D．Hundreds of (C)7．There some milk and water in the fridge． A．have B．has C．is D．are (C)8．There some pieces of bread on the table, but her favourite food fruit． A．is; is B．is; are C．are; is D．are; are 二、用括号内所给提示词的适当形式完成句子。 1．The explorer found many unusual (usual) plants in the deep forest during his journey． 2．Local people have developed (develop) a new way to reduce plastic waste in recent years． 3．This river was once clean, but now it's full of dirt (dirty) because of human activities． 4．The government has made laws to prevent factories from releasing (release) harmful gases． 5．Winter in the North Pole is so cold that even the sea will freeze (freezing) completely． 6．We should use reusable (reuse) bags instead of plastic ones to protect the environment． 7．The height (high) of this mountain is over 8，000 metres above sea level． 8．After the storm, many windows were broken (break)． So people started to fix them． 9．When the earthquake happened, people ran out of their houses quickly (quick) to stay safe． 10．The discovery (discover) of new clean energy has helped reduce our dependence on coal． 11．Farmers should stop using too many chemicals, as they are harmful (harm) to the soil． 12．Every year, millions of tourists (tourist) visit this national park to see rare animals． 三、完形填空。 Many kids are crazy about space． Last month, a space agency (机构) told the public that they were 1 “a planet protection officer”． Some people laughed at the funny job title, but a 9­year­old boy took the information 2． He wrote a letter to the agency, saying that he wanted the job． “Dear sirs, my name is Sam Lee． I think I am the 3 person for the job，” he wrote． What are Sam's 4? For one, he wrote, “My sister says I act like an alien (外星人)．” Sam also said he had watched almost all the 5 movies he could find． His last sentence may touch people's hearts, “I am young, so I can learn to think like an alien．” Sam soon got a 6 from Bill Black, director of the agency． “We have received your letter． It is great that you are interested in the job． This job is to 7 the Earth from germs (细菌) on things brought back from other planets．” Bill ended the letter with some warm words, 8 Sam to study hard and do well in school． “We hope to 9 you at the agency one day，” he wrote． “Among kids, there are 10 space scientists，” Bill told a newspaper． “We think of this letter as a chance that may forever change our kids' life．” (B)1．A．waking up B．looking for C．dealing with D．talking about (C)2．A．simply B．lightly C．seriously D．clearly (A)3．A．right B．kind C．important D．favourite (D)4．A．dreams B．problems C．discoveries D．advantages (C)5．A．war B．road C．space D．sports (C)6．A．job B．test C．reply D．ticket (B)7．A．move B．protect C．pull D．collect (D)8．A．warming B．helping C．ordering D．encouraging (A)9．A．see B．tell C．thank D．search (B)10．A．past B．future C．recent D．present 四、阅读下面的短文，用方框中所给单词的适当形式填空，使文意通顺，结构正确。(每个单词限用一次) improve　be　help　have　an　they　minute　real　provide　good Are you looking for ways to spend Earth Day on 22nd April? Here 1．are some fun things you can do． First, instead of taking a bus or a car, walk more often． If your home is too far, ride a bike． Second, spending time in nature is 2．an easy and fun way to spend Earth Day! You can enjoy great outdoor activities like 3．having a beach day with your friends． Third, pick up rubbish in the parks． Taking a moment to pick up any rubbish you see as you're out is 4．really useful． Fourth, you can sell used things． Some old things of yours can still be 5．helpful to other people． And if you have old clothes, old books, or other old things, why not give 6．them to other people? Finally, plant a tree． Planting a tree only needs a few 7．minutes, but it can be good for the environment for many years． Trees are important because they help fight pollution． Besides, they 8．provide wildlife (野生动植物) with homes． See if there is a tree­planting activity and join in it． Find the best place to meet (满足) the tree's needs, and dig a hole to water the tree 9．well to give it a good start． Earth Day can be every day! Just do one small thing every day to help 10．improve the environment． It doesn't have to be something unusual． Small changes of yours will make a difference． 一、根据首字母或者汉语提示写单词。 1．Do you know who is the last emperor (皇帝)? 2．All the people in the world love peace and hate war (战争)． 3．My father helped me find the solution (解决方法) to getting on well with my classmates． 4．There are sandstorms (沙尘暴) in spring in some northern parts of China． 5．This is the generation (一代人) gap (隔阂) between my parents and me． 6．We should do everything we can to protect the environment． 7．These problems are difficult to solve． Please give me some advice． 8．The wind is blowing gently． I feel cool in the open air． 9．We should care for animals and forbid(禁止) anyone to harm and kill them． 10．When the cloud disappeared, the moon came out． 二、用括号内所给提示的适当形式填空。 1．Saihanba is a forest park in the northern(north) part of Hebei． 2．Playing computer games too much is harmful (harm) to our eyes． 3．This is my own house． I'm the owner of the house．(own) 4．There is no simple solution (solve) to this problem． 5．Hundreds (hundred) of trees were planted yesterday． 6．It began to rain heavily (heavy) when I got off the bus． 7．There is a lot of pollution (pollute) in this area． Many rivers are polluted．(pollute) 8．Some dinosaurs are as small (small) as chickens． 9．In 1962, many people arrived in Saihanba, and they tried their best to plant (plant) many trees． 10．We need air to survive, meaning that air keTIF us alive (live)． 三、根据汉语意思完成句子。 1．一群孩子正在门外等着。 A group of children are waiting outside the door． 2．美猴王轻松地把自己变成了一只小鸟。 The Monkey King turned himself into a little bird easily． 3．寒冷的天气使他们的工作变得困难。 The cold weather made their work difficult． 4．操场在学校的中间。 The playground is in the middle of the school． 5．大风把我的作业刮跑了。我不得不又写了一遍。 The strong wind blew away my homework． I had to write it again． 6．每天早上跑步可以保持活力和健康。 Running every morning can keep alive and healthy． 7．工厂为工人提供午餐。 The factory provides workers with lunches． 8．她认为这件连衣裙和那件一样漂亮。 She thinks this dress is as beautiful as that one． 9．种上更多的树，使得这里的空气更清洁更清新。 Planting more trees makes the air here cleaner and fresher． 10．那里有成千上万的人。 There were thousands of people there． 四、短文填空。 阅读下面短文，并从方框里的六个句子中选择五个还原到原文中，使原文的意思完整、连贯。 A．It's everybody's duty (职责) to love and protect the environment． B．One of the most important problems in the world is pollution． C．Planting trees is one of the best ways for us to protect the environment． D．To help the Earth, we must reduce the waste of these valuable (宝贵的) things． E．Here is some advice for you． F．We can also choose to go to school by bike instead of taking cars． The environmental problem is becoming more and more serious today． There is more and more pollution, such as noise pollution, air pollution and water pollution． They are harmful to the environment． How can we protect (保护) the environment? 1．E Control (控制) pollution． 2．B Many rivers and lakes are polluted． We must control all kinds of pollution, or they will be harmful to our health． Reduce waste． Although there are fewer and fewer natural resources on Earth, most people haven't realized (意识到) the importance of them． 3．D Everyone must care for our resources． Plant Trees． Trees are very helpful and important to us． Since more and more trees are being cut down, we must plant more trees in order to live better and more healthily in the future． 4．C If you follow the advice above, I'm sure the environment will be better in the future． 5．A To protect the environment is to protect ourselves． So why not protect the environment from now on? A．考点概览，知识回顾 There be句型 概念 表示“(某地)存在某人/物” 时态 一般现在时 There is/are 一般过去时 There was/were 一般将来时 There will be/There is going to be 句型 肯定句 ①There is＋单数可数名词/不可数名词＋地点状语． There is a fish/some rubbish in the river． 河里有一条鱼/一些垃圾。 ②There are＋复数可数名词＋地点状语． There are six fish in the river． 河里有六条鱼。 否定句 There be not＋名词＋地点状语． There isn't a fish in the river． 河里没有一条鱼。 There isn't any rubbish in the river． 河里没有一些垃圾。 There aren't six fish in the river． 河里没有六条鱼。 一般疑问句 Be there＋名词＋地点状语？ Is there a fish in the river? 河里有一条鱼吗？ Are there six fish in the river? 河里有六条鱼吗？ 特殊疑问句 特殊疑问词(如 what, how many/much, who 等)＋be there＋其他成分？ What's there in the room? 房间里有什么？ How many fish are there in the river? 河里有多少条鱼？ 使用原则 就近原则 There is a computer room and two music rooms in our school． There are two music rooms and a computer room in our school． B．夯点夯基，专项突破 一、用括号内所给提示词的适当形式填空。 1．There was (be) an American teacher and two French teachers in our school last year． 2．There was (be) a lot of rubbish on the beach two years ago, but now the beach is very clean． 3．There wasn't (not be) any tea in the cup just now． 4．There was (be) an English book fair in the library last week． 5．How much water is (be) there in the swimming pool? Can we swim there? 6．There is (be) some seafood left on the table． We should eat it up． 7．There is (be) pollution in the river． What can we do to protect the river? 8．Look! There is (be) a piece of paper and two pens on the desk． 9．People catch a lot of fish every day and there are (be) fewer and fewer fish in the sea each year． 10．There is (be) some bread and five eggs on the table now． 二、根据汉语意思或对划线部分提问完成句子。 1．我家附近有一家新开的超市和两家水果店。 There is a new supermarket and two fruit stores near my home． 2．下周，图书馆将会有一个关于历史的活动。 There will be an activity about history in the library next week． 3．在汤姆回家的路上有一家蛋糕店。 There is a cake shop on Tom's way home． 4．一年有四个季节，陈明最喜欢秋天。 There are four seasons in a year, and Chen Ming likes autumn best． 5．——盒子里有多少瓶水？ ——只有两瓶。 —How many bottles of water are there in the box? —There are only two． 6．There are seven days in a week．(对画线部分提问) How many days are there in a week? 7．There is a little milk in the glass．(对画线部分提问) How much milk is there in the glass? 8．There is one knife over there．(对画线部分提问) How many knives are there over there? 三、语法填空。 根据短文内容，用所给单词的适当形式填空，未提供单词的根据上下文填入适当的单词。 Many people enjoy going to the beach． However, the beach often becomes dirty after people's 1．activities (activity)． People don't like a beach with so much trash (垃圾), and few people go to a dirty beach to have fun． 2．Luckily (lucky), there are always some nice people． They are ready 3．to help (help) clean up the beach． They walk along the beach to pick up all kinds 4．of trash—bottles, plastic bags, food and so on． They all do their work carefully． Some wear gloves． Others use trash pickers． Almost everyone 5．wears (wear) good shoes to protect his or her feet． A clean­up is a great way to make a beach 6．beautiful (beauty) and safe again! As a student, what should you do? If you live in a city with a beach, you can 7．clean (clean) it up at any time． Join a beach clean­up or do it yourself． Keeping the beach free of trash helps animals 8．because many birds and fish sometimes eat trash as food． As 9．a result, they may be in danger． Cleaning up the beach helps people, too． Parents like to bring 10．their (they) kids to a clean and safe beach． More visitors will go to a beach if it looks nice and clean． After a clean­up, people can have an enjoyable day on the beach． 假如你是李华，你校准备举行一次以“Protect the Earth”为主题的英语演讲比赛，请根据以下表格的提示内容，写一篇英语演讲稿参加此次比赛，演讲稿需要包含以下提示的内容： Protect the Earth 必要性 地球是我们的家园，为我们提供空气、食物和水。 问题 1．滥伐树木；　2．……(补充一个问题) 建议 ……(提供2—3条建议) 呼吁 大家一起努力保护地球 注意：1．词数60左右(文章开头已给出，不计入总词数)； 2．演讲稿不得透露学校、姓名等任何个人信息，否则不予评分。 Protect the Earth Dear boys and girls, Good morning! I'm very glad to stand here to give you a speech about protecting the Earth． The Earth is our home． It provides us with air, food and water． But there are some serious problems． People cut down too many trees． This makes many animals lose their homes． Also, factories pour waste water into rivers, and cars give off harmful gases, so water pollution and air pollution are getting worse． What's more, people use too many plastic bags and it leads to more and more rubbish． To protect the Earth, we should plant more trees． We should also stop polluting water． It is important for us to protect our planet． Let's work together to make it better! 【写作步骤】 第一步，介绍地球对我们的重要性以及它面临的问题。 第二步，提出保护地球的一些建议。 第三步，呼吁大家一起努力来保护地球。 【亮点词汇】 ①provide…with… 给……提供…… ②lose one's home 失去家园 ③lead to 导致 ④stop polluting water 停止污染水 【高分句型】 ①It provides us with air, food and water．(固定句式) ②It is important for us to protect our planet．(固定句式) 一、完形填空。 A man was 1 because he tried hard but always failed． He went to the 2 and met a wise hermit (隐士)． The man asked, “Why should I keep trying？” “Look，” the hermit said, pointing towards 3 plants． “Do you see that fern (蕨) and bamboo there？” “Yes，” the man nodded． “When I planted the fern and the bamboo seeds, I took very good care of them． Within a short period of time, the fern 4 grew from the earth，” the hermit continued． “But even though the bamboo seed was cared for years, there was no sign of 5． But I did not give up on the bamboo seed and continued to water and take care of it． By the fifth year, a very small sprout (芽) came out from the earth． And within six months, the tree grew 6 tall． It was as tall as a seven­storey building．” “Did the bamboo stay still for four years and then grow a lot in the fifth？” asked the hermit． The man didn't know what to say． “It's simple，” said the hermit． “It was making 7 roots underground． These roots helped it grow big in the fifth year and keep growing．” “Did you know that all the times you had been struggling (挣扎), you were growing strong 8？” said the hermit． The man learned his 9 that day． He understood that persistence and hard work can 10, even if it takes time． The fern and the bamboo stood right in front of him as he walked towards his life to continue to work on his dreams． (C)1．A．happy B．excited C．sad D．tired (A)2．A．forest B．river C．sea D．grassland (B)3．A．one B．two C．three D．four (A)4．A．quickly B．slowly C．happily D．luckily (C)5．A．flower B．stop C．growth D．death (C)6．A．one metre B．ten metres C．thirty metres D．millions of metres (A)7．A．strong B．weak C．few D．some (D)8．A．leaves B．barks C．trunks D．roots (B)9．A．sight B．lesson C．scene D．word (A)10．A．make a difference B．create a problem C．creat a chance D．miss a chance 二、阅读理解。 A ①Saving the Earth shouldn't be so difficult if we can do the following things． ②First, we should take our time． There is no need to hurry like doing 100 things a day to save the Earth． Let's start from easy things． For example, we can walk or ride a bike to work． ③Second, we should open the windows more often． Don't turn on the air conditioner all day． In this way, we can have the fresh air and save the energy． ④Third, we should enjoy cooking at home and having meals at our dinner table． So we can use our own bowls and chopsticks, not the plastic ones． ⑤Fourth, we should spend our weekends and holidays in the park playing games or just riding a bike around． ⑥Fifth, we should learn how to make good use of old things in the house, in the garden, or in the kitchen． ⑦Lastly, don't throw rubbish here and there． ⑧All in all, saving the Earth could be easy． Let's take action to protect the Earth． (C)1．What does the writer think of saving the Earth? A．It should be safe． B．It should be difficult． C．It should be easy． D．It should be happy． (B)2．What do the underlined words “take our time”in Paragraph 2 mean? A．Be happy． B．Be slow． C．Be fast． D．Be sad． (A)3．Which of the following is the best structure of the text? (P1＝Paragraph 1, P2＝Paragraph 2，…) (C)4．How many ideas about saving the Earth are mentioned in the passage? A．Four． B．Five． C．Six． D．Seven． (D)5．What is the passage about? A．What the Earth looks like． B．How to enjoy living on Earth easily． C．How to protect the Earth in an interesting way． D．How to protect the Earth in an easy way． B From far out in space, the Earth looks like a blue ball． Since water covers three­fourths of the Earth's surface，blue is the colour we see most． The continents (大洲) look brown, like small islands floating in the huge and blue sea． White clouds cover around the Earth like a light blanket (毛毯)． The Earth is like a ball． It is 25，000 miles around! It would take more than a year to walk around the whole planet． A spaceship can fly around the Earth in only 90 minutes． Even though spaceships have travelled to the Moon, people cannot visit the Moon without special suits． The Moon has no air or water． Plants and animals can't live there either． Astronauts (宇航员) first landed on the Moon in 1969． After that, there were six more trips to the Moon． They brought back Moon rocks，which scientists are still studying． There are holes, or craters(环形山), all over the Moon's surface． Scientists believe that meteorites (陨石) smashed into the Moon millions of years ago and formed the craters (坑)． The Sun is the closest star to the Earth． A star is a hot ball of burning gas． The Sun looks very big because it is so close． But the Sun is just a medium­sized (中型的) star． Billions of far­away stars are much bigger than our Sun． The burning gases from the Sun are so hot that they warm the Earth from 93 million miles away！Even though the Sun is always shining, the night here on the Earth is dark． That's because the Earth turns around, every 24 hours． During the day, the Earth faces the Sun． Then we see light． During the night, the Earth turns away from the Sun． Then it faces the darkness of space． Each day we learn more about the Earth, the Moon and the Sun． (B)1．From outer space, Why is the colour of the Earth blue? A．Because most of the Earth is covered by land． B．Because most of the Earth is covered by water． C．Because the Sun's rays make the Earth look blue． D．Because clouds wrap around the Earth． (A)2．What's the meaning of the underlined word “smashed” in the second paragraph? A．Crashed． B．Made． C．Broke． D．Got． (C)3．What causes daylight on the Earth? A．The full Moon causes daylight． B．The heat of the Sun's rays causes daylight． C．Daylight is caused by the Earth facing toward the Sun． D．Daylight is caused by the Earth facing away from the Sun． (D)4．Which of the following sentences best describes the Sun? A．The Sun is a small star． B．The Sun is not as hot as it looks． C．The Sun looks small because it is so far from the Earth． D．The Sun is a ball of burning gases that gives the Earth heat and light． (C)5．What is the main idea of the passage? A．Plants and animals can't live on the Moon． B．Without the Sun，we would have no heat or light． C．We know a lot about the Earth，Moon，and Sun，but there is still more to learn． D．From outer space，the Earth looks tiny even though it is thousands of miles around． 三、短文填空。 阅读下面短文，并从方框里的六个句子中选择五个还原到原文中，使原文的意思完整、连贯。 A．Let's try and take good care of it． B．There are ways to check the greenhouse effect． C．They include heatwaves, forest fires, floods, etc． D．We can do something to reduce the greenhouse effect． E．She discovered that CO2 traps heat more than other gases． F．As a result, heat can't run away and the temperature increases． Our planet is heating up because of the greenhouse effect． This is one of the reasons why there are more extreme (极端的) weather events on Earth． 1．C But what's the greenhouse effect on Earth, and what can we do to reduce it? Let's first think about a greenhouse—you may have one in your garden! It's a glass building that protects plants against low temperatures by trapping heat inside． But, while this helps your plants grow, the Earth is trapping heat in the same way, and it's causing global warming． When oil and gas are burnt for power, CO2 is sent out as a waste product． It enters the atmosphere (大气层) and acts like a blanket around the planet． 2．F The influence of gases on the Earth's climate was first examined in the 1820s． Eunice Foote, a scientist, tested the effects of sunlight on different gases． 3．E And then the idea of the greenhouse effect was born． 4．D The UN recommends using more energy­saving electrical equipment at home． Also, if you wash your clothes at 30 ℃ instead of a higher temperature, less electricity is used． A change in diet is also something to consider; plant­based foods, compared to meat, need less land and water to be produced． We only have one planet． 5．A Although the universe is big and there are a large number of planets there, so far we haven't found another one that is suitable to support life． Even if we find one in the future, people present can't wait until that day． 四、语法填空。 根据短文内容，用所给单词的适当形式填空，未提供单词的根据上下文填入适当的单词。 Going Green We hear a lot about how we should change our lives to help save our planet． Jim Barnes, 15, from Oxford, is talking about what his family did last year to save 1．the planet． Jim Barnes： According to a study, a common family makes more than one ton of rubbish a year． Some of the waste takes hundreds of 2．years (year) to decay (腐烂)． So, to help save the planet, our family decided 3．to change (change) our life habits last year． We recycled (再利用) everything． For example, we collected used things, such as paper and bottles and reused them． We also grew 4．our (we) own vegetables． The study shows that, in a year, a family like ours uses too much electricity (电) for things like watching TV and taking showers． So there is a lot of 5．pollution (pollute) every year． It can cause health problems and global warming． Because 6．of all this, we decided to do something to save electricity last year． We watched less TV and used low­energy light bulbs． We also 7．stopped (stop) using the air conditioners． What's more, we tried to use our car less to reduce air pollution． My parents took the subway three times a week 8．and I rode my bicycle to school last year． It is so important to protect our Earth． In my mind, if everyone 9．does (do) something to protect the Earth, our planet 10．will become (become) more and more beautiful． 学科网（北京）股份有限公司 $