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1、Unit 4 Our World綜合能力演練I. 單項(xiàng)選擇1. Ann used the computer for shopping, _?A. used sheB. usednt sheC. did sheD. didnt she2. You must _ the traffic lights when you cross the road.A. pay attention toB. pay attentions toC. pay attention onD. pay attentions on3. How many students are there in your school?_ s

2、tudents, I think.A. Thousand ofB. Three thousandsC. Three thousandD. Three thousands of4. Why do you like living in the countryside?Because theres _ noise and _ cars there.A. less; fewerB. fewer; lessC. less; lessD. fewer; fewer5. Dont make me _ the clothes. Im too tired!A. washingB. to washC. washD

3、. washed6. I think dumplings are _ more delicious than noodles.I dont agree with you.A. muchB. veryC. tooD.so7. My aunt goes to climb Mount Gu every Sunday.Oh? But she _ hate climbing mountains.A. used toB. use toC. uses toD.is used to8. Your classroom is so dirty. Everyone should keep it _.A. dryB.

4、 openC. quietD. clean9. Wow, your school is great!It is _ school in the city.A. much more beautifulB. much beautiful C. the most beautifulD. beautiful10. Blue whales are the largest and heaviest animals in the world, but they _ the smallest sea animals.A. feed inB. live inC. feed onD. fed on真題鏈接1. I

5、 was looking for a birthday gift for my mother, but I couldnt find _ suitable.A. something B. anything C. nothing D. everything2. Excuse me, may I keep the book a little longer? Sorry. You _ return it today.A. mustB. mustntC. canD. cant3. _ will the fog and haze last? Ive no idea. There is no sign o

6、f an end.A. How soonB. How far C. How longD. How often II. 完形填空We live in the“computer age”. Long ago computers couldnt do 1 .They were very big and 2 .They used a lot of energy(能量). Only a few people were 3 in them. Today computers are 4 and cheaper. They can 5 difficult work.Computers have 6 impor

7、tant for many reasons. They work faster and make fewer mistakes. They can remember much information. A computer can work out millions of problems 7 a few seconds. A person might need years 8 so many problems.People now use computers in nearly every kind of work. Computers are very useful and the 9 o

8、f computers is growing. More computers mean more jobs for people, 10 people need to run(操作) and mend them.Would you like to learn how to run a computer?1. A. many B. muchC. a lot ofD. lots of2. A. cheap B. cheaperC. expensiveD. more expensive3. A. interest B. interestingC. interestsD. interested4. A

9、. small B. smallerC. bigD. bigger5. A. doB. makeC. turnD. eat6. A. turnB. gotC. isD. become7. A. withB.inC. forD.at8. A. works out B. workC.to work outD.to work9. A. useB. usefulC. uselessD. to use10. A. whyB. howC. becauseD. whatIII. 閱讀理解ADo you know why different animals or pests (害蟲) have their s

10、pecial colors？Colors on them seem to be used mainly (主要地) to protect themselves.Some birds like eating locusts (蝗蟲), but birds cannot catch them easily. Why? Because locusts change their colors according to the colors of crops (莊稼). When crops are green, locusts look green. But as the harvest time c

11、omes, locusts change to the same brown color as crops have. Some other pests with different colors from plants are easily found and eaten by others, so they have to hide (隱藏) themselves and appear (出現(xiàn)) only at night.If you study animal life, youll find the main use of coloring is to protect themselv

12、es. Bears, lions and other animals move quietly through forests. They cannot be easily seen by hunters (獵人). This is because they have colors much like the trees.A kind of fish in the sea can send out a kind of very black liquid (液體) when it faces danger. While the liquid spreads out, its enemies (敵

13、人) cannot find it, so it can escape (逃跑) at once. That is why it can live long, though it is not strong at all.1. From the passage we learn that locusts _.A. are small animalsB. are easily found by birdsC. are dangerous to their enemiesD. change their colors to protect themselves2. How can pests wit

14、h different colors from plants keep out of danger?A. They run away quickly.B. They have the colors much like their enemies.C. They hide themselves by day and appear at night.D. They have to move quietly.3. Bears and lions can keep safe because _.A. they have the colors much like the treesB. they mov

15、e quietlyC. they like brown and grey colorsD. they live in forests4. Why can the kind of fish live long?A. Because it is very big and strong.B. Because it can send out a kind of very black liquid to help it escape from its enemies.C. Because it can send out a kind of liquid to kill its enemies.D. Be

16、cause it swims faster than any other fish.5.Which is the best title(標(biāo)題) of this passage?A. The Change of Colors for Animals and Pests.B. Colors of Different Pests.C. The Main Use of Colors for Animals and Pests.D. Some Animals and Pests.BZhalong is a nature reserve in Heilongjiang in northeast China

17、. It is one of the worlds most important wetlands. The area provides food and shelter for wildlife. It is an ideal home for different kinds of plants, fish and birds.Many birds live comfortably in Zhalong Nature Reserve all year round, while some only stay for a short time. There are many fish in th

18、e wetlands, and the birds can easily catch them for food. Zhalong Nature Reserve is an important living area for the rare red-crowned cranes. There are not many red-crowned cranes in the world. Some of them live in Zhalong.Some people want to change the wetlands to make more space for farms and buil

19、dings. This means that there will be less and less space for wildlife.More and more birds are in danger because they do not have enough living space. Many of them died. The Chinese government wants to protect these endangered birds, and they can be safe in Zhalong.Every year a lot of tourists go to

20、Zhalong to watch birds. This year members of our Bird watching Club are going to study the different kinds of birds in Zhalong and the changes in their numbers. The study begins next month.We do a bird count once a year. We are now inviting secondary school students to help. We need more people to h

21、elp us count and do something to help the birds. Many people do not understand the importance of the wetlands. We hope this information will help them understand and make them actively take action to protect wildlife.6. What is the best title of the passage?A. Less and Less Space for WildlifeB. Many

22、 Tourists Watch birds in Zhalong YearlyC. Zhalong is a Famous Scenic SpotD. Zhalong A Special Place7. The shelter in the first paragraph means _.A. a place to live or stay B. a large zooC. a place to hunt animals D. a large park8. Which of the following sentences is false?A. There are a lot of red-c

23、rowned cranes in other parts of the world.B. Some birds go to Zhalong for a short stay.C. Zhalong nature reserve is the comfortable home of many birds.D. Birds can find food without difficulty in Zhalong.9. Why are more and more birds endangered? Because _.A. many tourists watch them B. many of the

24、birds diedC. people have less and less place D. their living place is less and less10. This passage is written to_.A. ask people to do something for birds.B. help people learn about protecting wildlife.C. make people understand how important the wetlands are.D. ask students all over the world to wat

25、ch birds.【答案與解析】I. 單項(xiàng)選擇。1.D。此處use . for . 意為“用來(做某事)”，句中used是過去式，所以在反義疑問句中應(yīng)借助助動(dòng)詞did，根據(jù)“前肯后否”原則，故選D。2.A。考查固定搭配pay attention to ，意為“注意”。3.C?？疾閿?shù)詞hundred/thousand等。如果前面有具體數(shù)字，其后不跟-s，也不加of，反之，其形式為：hundreds of(數(shù)百的)，thousands of(數(shù)千的)，故選C。4.A?？疾樾稳菰~比較級(jí)。分析句意“你為什么喜歡住在農(nóng)村？”，“因?yàn)槟莾涸胍羯佘囈采??！钡谝粋€(gè)空格后的noise是不可數(shù)名詞,第二個(gè)空格后的

26、cars是可數(shù)名詞的復(fù)數(shù)。從選項(xiàng)分析看, less是little的比較級(jí)，fewer是few的比較級(jí)，都是“少數(shù)的，幾乎沒有” 的意思，故選A。5.C?？疾榉侵^語動(dòng)詞。根據(jù)make sb. do sth. 句式，make后面省略to的動(dòng)詞不定式在這里充當(dāng)賓語補(bǔ)足語。故可排除A、B和D，選C。6.A?？疾楦痹~修飾比較級(jí)的用法。分析句子，空格后是比較級(jí)形式，由于very, too, so不能修飾比較級(jí)，much則可以，表示“更”的意思，故選A。7.A?？疾楣潭ㄓ梅?。used to “過去常?！保籾se作為動(dòng)詞,意為“使用”。be used to “習(xí)慣于”。上下句意思:“每個(gè)星期日，我姑姑都去爬山

27、?！薄芭叮康撬^去討厭爬山?！惫蔬xA。8.D?？疾閗eep + n. +adj. 的用法。由句意“你們的教室太臟了，所有人都應(yīng)該保持教室干凈。”可知選D。9.C。考查形容詞最高級(jí)。分析句子，空格后是in the city，故應(yīng)用最高級(jí)，由于beautiful是多音節(jié)，其最高級(jí)用the most beautiful,故選C。10.C。此題意為“藍(lán)鯨是世界上最大、最重的動(dòng)物，卻以海洋中最小的動(dòng)物為食”?！耙詾槭场睉?yīng)用feed on .，而且這是一種習(xí)慣表達(dá)法，不需要使用過去時(shí)，故選C。真題鏈接1. B。句意：我在找一份送給媽媽的生日禮物，但是我找不到任何合適的東西。本題考查不定代詞的用法。som

28、ething某物，某事，一般不用于疑問句或否定句中；anything任何東西，任何事物，用于否定句、疑問句；nothing沒有東西；everything所有東西，一切。根據(jù)題意選B項(xiàng)。2. A。句意：請(qǐng)問，這本書我可以借長(zhǎng)一點(diǎn)時(shí)間嗎？很抱歉，你今天必須把它還回來。本題考查情態(tài)動(dòng)詞。根據(jù)答語Sorry. 可知今天必須歸還，故選A項(xiàng)。3. C。句意：霧霾將持續(xù)多久？我不知道，還沒有要結(jié)束的跡象。本題考查特殊疑問副詞詞組。how soon多久以后；how far多遠(yuǎn)(對(duì)空間距離提問)；how long多久(對(duì)時(shí)間段提問)；how often多久一次(對(duì)頻率提問)。last持續(xù)，通常與how long

29、搭配。故C項(xiàng)。II. 完形填空。1.B。考查詞義區(qū)別。much 在這里作代詞，充當(dāng)do的賓語。2.C。考查上下文推測(cè)。許多年前的計(jì)算機(jī)既大又貴。and前是big，故其后也應(yīng)用原級(jí)。3.D?？疾樵~組固定搭配。由于主語是人,故用be interested in對(duì)感興趣。4.B?？疾樯舷挛耐茰y(cè)。上文說過去的計(jì)算機(jī)大且貴, 推測(cè)出現(xiàn)在的計(jì)算機(jī)更小更便宜。故選B。5.A。考查詞義理解。do difficult work 意為“做困難的工作”。6.D。考查詞義理解。根據(jù)下文表明計(jì)算機(jī)逐漸變得重要了。故選D。7.B?？疾榻樵~。in+時(shí)間段，表示“在內(nèi)”，for+時(shí)間段，表示延續(xù)的一段時(shí)間。根據(jù)題意，“一臺(tái)計(jì)

30、算機(jī)能在幾秒鐘內(nèi)處理成千上萬個(gè)問題”。故選B。8.C?？疾閯?dòng)詞固定用法。need sth. to do sth. 表示 “需要去做某事”。9.A?？疾樵~義理解。分析句子意思，計(jì)算機(jī)的作用還在升級(jí)，空格應(yīng)填名詞，use作名詞是“用處”的意思。故選A。10.C?？疾樯舷挛耐茰y(cè)。根據(jù)上下文“人們需要操作和修理它們”，表示原因。故選C。III. 閱讀理解。A篇 1.D。從短文第二段開頭“birds cannot catch them easily. Why? Because locusts change their colors according to the colors of crops (莊稼

31、)”可知“蝗蟲的顏色隨莊稼而變化是為了保護(hù)它們自己”。因此選D。2.C。從文中第二段最后一句“So they have to hide themselves and appear only at night. ”可知答案為C。3.A。從文中第三段最后一句“This is because they have the colors much like the trees. ”可知。4.B。從短文第四段第一句“A kind of fish in the sea can send out a kind of very black liquid (液體) when it faces danger.”可知

32、。5.C。從全文看，主要講動(dòng)物和害蟲以及它們與顏色的關(guān)系和作用。答案C概括的最為準(zhǔn)確。B篇 6. D。本文主要講述了扎龍是一個(gè)自然保護(hù)區(qū)，位于中國(guó)東北的黑龍江省。它是世界上最重要的濕地之一。故本題答案選D。7. A。由本詞前的and可知，其表示的內(nèi)容應(yīng)該與“provides food”相關(guān)；也就是可以生活和居住的地方，故答案選A。8. A。由第二段的第三句話Zhalong Nature Reserve is an important living area for the rare red-crowned cranes. 扎龍自然保護(hù)區(qū)是稀少的丹頂鶴的一個(gè)重要的生活區(qū)；可知選項(xiàng)A是錯(cuò)誤的。9.

33、 D。由第三段Some people want to change the wetlands to make more space for farms and buildings. This means that there will be less and less space for wildlife可知越來越多的鳥類瀕臨危險(xiǎn)是因?yàn)樗麄兊纳瞽h(huán)境越來越少。10. B。由本文以及最后一段. We hope this information will help them understand and make them actively take action to protect wildlife.可知本文主要目的是讓人們學(xué)習(xí)如何保護(hù)野生動(dòng)物。故答案選B。