2020高中英語人教版必修2同步練習(xí)：Unit 4 綜合技能測試【含答案】

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1、2020學(xué)年人教版英語精品資料 Unit 4　綜合技能測試 時(shí)間：90分鐘，滿分：150分 第一部分：聽力(共兩節(jié)；滿分30分) 第二部分：基礎(chǔ)知識(shí)運(yùn)用(共兩節(jié)，滿分45分) 第一節(jié)：單項(xiàng)填空(共15小題；每小題1分，滿分15分) 從A、B、C、D四個(gè)選項(xiàng)中，選出可以填入空白處的最佳選項(xiàng)。 21．(2012江蘇)—Dont worry, Mum.The doctor said it was only the flu. —________！ Ill tell Dad theres nothing serious. A．What a relief 　　　　　　 B．Co

2、ngratulations C．How surprising 　　　　D．Im so sorry 答案：A　考查情景對(duì)話。句意：——?jiǎng)e擔(dān)心，媽媽。醫(yī)生說只是感冒。——真讓人放心！我要告訴你爸爸沒什么嚴(yán)重的。故A項(xiàng)符合題意。 22．(2010浙江)Many lifestyle patterns do such________great harm to health that they actually speed up________weakening of the human body. A．a(chǎn); / B．/; the C．a(chǎn); the D．/; / 答案：B　句意：很

3、多生活方式對(duì)健康有害處，它們實(shí)際上加速了人體的衰弱。do harm to...“對(duì)……有害處”，是固定短語；第二空為特指，故用定冠詞the。 23．Little Johnny felt the bag, curious to know what it______. A．collected　B．contained　C．loaded　D．saved 答案：B　考查動(dòng)詞詞義辨析。collect“收集”；contain“包含，包括”；load“把……裝上車/船等”；save“拯救，節(jié)省”。由句意可知B正確。 24．For a moment Arthur was________how to re

4、ply to the question. A．no idea B．not knowing C．puzzling　 D．a(chǎn)t a loss 答案：D　at a loss意為“不知所措”，A項(xiàng)應(yīng)為had no idea，B項(xiàng)不用進(jìn)行時(shí)態(tài)，C項(xiàng)應(yīng)改為puzzled，以表示“感到困惑的”。 25．He is wearing sunglasses to________his eyes from the strong sunlight. A．hold　 B．stop C．protect　　 D．prevent 答案：C　句意：他戴太陽鏡來保護(hù)眼睛免受強(qiáng)光刺激。 26．After livin

5、g in Paris for fifty years he returned to the small town________he grew up as a child. A．which　 B．that C．where　　 D．when 答案：C　此處where引導(dǎo)定語從句，且在從句中作地點(diǎn)狀語。 27．The bridge is________so the children on it are________. A．dangerous; in danger B．dangerous; dangerous C．in danger; in danger D．in danger; da

6、ngerous 答案：A　橋很危險(xiǎn)，因此上面的孩子們處于危險(xiǎn)中。 28．A new cinema________here. They hope to finish it next month. A．will be built B．is built C．has been built D．is being built 答案：D　根據(jù)題意，電影院應(yīng)是正在建造著，因?yàn)樗麄兿Ｍ略峦旯?，而A項(xiàng)不合常理，一個(gè)月的時(shí)間建一個(gè)電影院是不可能的。 29．It is hoped that there will be a world where all the people can live toget

7、her in________and harmony. A．silence　　B．peace　　C．fear　　D．surprise 答案：B　in peace為固定搭配，意為“和平地”，相當(dāng)于peacefully，與harmony為并列關(guān)系。in silence“沉默地”；in fear“害怕地”；in surprise“驚訝地”。 30．This kind of animal has________in the world. A．died away B．died down C．died off D．died out 答案：D　die out“滅絕”符合題意。die away指“(

8、聲音、風(fēng)、光線等)漸息，漸弱”；die down，指“慢慢熄滅，平靜下來”；die off“相繼死去”，與題意不符。 31．Much attention should be paid________peoples living conditions. A．in improving B．to improve C．of improving D．to improving 答案：D　pay attention to為固定搭配，該結(jié)構(gòu)中to為介詞，后接名詞或動(dòng)名詞作賓語。本題attention前置于句首，故D項(xiàng)正確。 32．After a heated discussion at the me

9、eting, a new plan came______being, which would have a great effect________the culture life of the people. A．into; for B．to; to C．from; at D．into; on 答案：D　come into being“形成”為固定搭配；effect后常與介詞on連用，意為“對(duì)……的影響”。 33．Although there were many difficulties, he________in getting the opportunity to go abro

10、ad for further study. A．managed　　 B．tried　　 C．succeeded　　 D．failed 答案：C　succeed in doing sth.“成功做成某事”，相當(dāng)于manage to do sth.。try to do sth.“試圖做某事”，但不一定成功；fail to do sth.“沒能做成某事”；由although引導(dǎo)讓步狀語從句可知C項(xiàng)正確。 34．We are interested in the weather because it________what we wear, what we do and even how we

11、feel. A．benefits　　 B．guides　　 C．a(chǎn)ffects　　 D．effects 答案：C　affect意為“影響”，符合題意。benefit“使受益”；guide“指導(dǎo)”；effect“作用；效果”，常用做名詞。 35．The________of the pain can be easily achieved but the disease can be hardly cured. A．relief　　 B．relax　　 C．release　　 D．ease 答案：A　句意：緩解痛苦容易，要想痊愈卻非常困難。relief“(痛苦、憂慮等)減輕或解除”。r

12、elax“放松”；release“釋放”；ease“安逸；安心”。 第二節(jié)：完形填空(共20小題；每小題1.5分，滿分30分) 閱讀下面短文，掌握其大意，然后從36～55各題所給的四個(gè)選項(xiàng)(A、B、C、D)，選出最佳選項(xiàng)。 (2014四川) My husband, Tom, has always been good with animals, but I was still amazed when he befriended a female grouse(松雞). Its __36__ for a grouse to have any contact(接觸)with people.

13、In fact, theyre hard to spot, __37__ they usually fly off when they hear humans approaching. This grouse came into our lives in __38__. Tom was working out in the field when he __39__ her walking around at the edge of the field. She was __40__ unafraid and seemed to be __41__ about what he was doin

14、g. Tom saw the __42__ bird several times, and she got more comfortable around him. We quickly grew __43__ of the bird and decided to call her Mildred. One day, as Tom was working, Mildred came within a few feet of him to watch. Tom __44__ he didnt see her and kept working to see what she would do

15、next. Apparently, she didnt like to be __45__. Shed run up and peck(啄) at Toms hands, then __46__ off to see what he would do. This went on for about 20 minutes, until Mildred became tired of the __47__ and left. As spring went and summer came, Mildred started to __48__ more and more often. __49__

16、 Mildred felt comfortable enough to jump up on Toms leg and stay long enough for me to get a __50__ of the two of them together. This friendly grouse soon felt __51__ not just with our family, but with anybody who walked or drove by. When hunting season opened, we put a __52__ at the end of our dri

17、veway asking __53__ not to shoot our pet grouse. My father, who lived down the road, __54__ warned people not to shoot her. __55__， hunters would stop and take pictures, because they had never seen anything like her. 文章大意：本文是一篇記敘文。當(dāng)作者看到丈夫跟一只松雞交朋友時(shí)，感到很奇怪。但是慢慢地，我們都喜歡上了她，她也很愿意跟我們待在一起。想知道我們的故事嗎？那就趕快來讀

18、文章吧！ 36．A.interesting B．reasonable C．impossible D．unusual 答案：D　聯(lián)系空前的I was still amazed when he befriended a female grouse可知，我吃驚的原因顯然是“松雞跟人接觸是很少見的，”故選unusual表示“不同尋常的，罕見的”。 37．A.though B．because C．unless　　　　 D．until 答案：B　空前提到 In fact，they are hard to spot；空后又說they usually fly off when they hea

19、r human approaching。前后顯然是因果關(guān)系。他們很難發(fā)現(xiàn)，是因?yàn)樗麄兟犚娙司惋w走了，故用because引導(dǎo)原因狀語從句。 38．A.spring B．summer C．a(chǎn)utumn D．winter 答案：A　后文第48空前有關(guān)鍵信息As spring went and summer came，因此這只松雞是在春天步入我們的生活的。 38．A.got　　　　 B．kept C．noticed D．imagined 答案：C　空前提到湯姆是在地里干活，所以他應(yīng)該是無意當(dāng)中注意到這只松雞在地邊上走來走去。notice表示“無意當(dāng)中注意到”，符合語境。 40．A.n

20、aturally　　　　 B．certainly C．normally D．surprisingly 答案：D　前文第一段提到they usually fly off when they hear human approaching，因此此處她不害怕顯然是令人意想不到，故surprisingly(令人吃驚地，意想不到地)符合語境。 41．A.crazy　　　　 B．curious C．concerned D．cautious 答案：B　be crazy about對(duì)……著迷；be curious about對(duì)……好奇；be concerned about擔(dān)心；be cautious

21、 about 對(duì)……小心翼翼。空前提到 she was surprisingly unafraid，所以不可能是小心翼翼；不可能是著迷或者擔(dān)心，只能是對(duì)湯姆正在干的事情好奇，故B項(xiàng)正確。 42．A.shy　　　　 B．a(chǎn)wkward C．friendly　　　　 D．elegant 答案：C　前文提到這只松雞在地邊走來走去；不害怕，對(duì)湯姆干的事情感到好奇，四個(gè)選項(xiàng)當(dāng)中能形容她的只能是friendly；在后文51空前的friendly也給了很好的提示。 43．A.careful B．tired C．fond　　　　 D．sick 答案：C　后半句提到我們叫她Mildred

22、，只有喜歡才能給她起名字，故C項(xiàng)正確。grow/be fond of喜愛。 44．A.supposed B．realized C．hoped 　　　　 D．pretended 答案：D　由后半句 kept working to see what she would do next可知，湯姆是裝作沒看見她。pretend假裝，符合語境。 45．A.ignored B．observed C．a(chǎn)mazed 　　　　 D．disturbed 答案：A　前文提到湯姆假裝沒看見她；后面又提到她跑過來啄湯姆的手，顯然是表示“她不喜歡被忽視，被冷落”，故ignore(忽視，忽略)符合語境

23、。 46．A.put B．back C．set 　　　　 D．take 答案：B　由語境可知，這只不喜歡被忽視的松雞跑過來啄了湯姆的手之后，又后退一下看看湯姆會(huì)怎么做。back off后退，符合語境。 47．A.game B．work C．place　　　　 D．man 答案：A　由語境可知，Mildred跑過來啄湯姆的手，然后退后看湯姆怎么辦；這樣的事情持續(xù)了20分鐘，直到Mildred對(duì)此感到厭煩，離開。Mildred厭倦的是重復(fù)的這20分鐘干的同樣的事情；不是工作，地方和人，只能是玩的游戲，故A項(xiàng)符合語境。 48．A.give up B．come out C．

24、turn over D．fly by 答案：B　由語境可知，春天過去了，夏天到了，Mildred跟大家越來越熟悉了，肯定是越來越經(jīng)常的出來，故come out出來，符合語境。give up放棄；turn over翻轉(zhuǎn)；fly by飛過，均不合語境。 49．A.Eventually B．Suddenly C．Constantly D．Presently 答案：A　由語境可知，Mildred先是在地邊上走來走去，然后對(duì)我們不害怕，慢慢接近，到最后跟我們待在一起很舒服，這是時(shí)間上的順承關(guān)系，故此處填eventually(最后，終于)。 50．A.chance B．dream C．pict

25、ure D．sense 答案：C　由語境可知，她呆在湯姆的腿上的時(shí)間長到我能跟他們拍照。不可能是機(jī)會(huì)(chance)，夢想(dream)和sense(感覺)。 51．A.comfortable B．guilty C．a(chǎn)nxious D．familiar 答案：A　前文提到Mildred跟我們呆在一起很舒服，隨著時(shí)間的推移，她不光跟我們待在一起舒服，跟任何走過的或者是開車經(jīng)過的人都這樣。 52．A.lantern B．sign C．gun　　　　 D．loudspeaker 答案：B　由語境可知，此處表示打獵的季節(jié)來臨，我們能在馬路邊掛起的只能是個(gè)sign(標(biāo)牌)，請(qǐng)人們別獵殺我們

26、的松雞。 53．A.drivers B．farmers C．hunters D．tourists 答案：C　前文提到hunting season，后文提到hunters，顯然我們掛牌子是請(qǐng)獵人別獵殺我們的松雞。 54．A.just B．yet C．thus　　　　 D．a(chǎn)lso 答案：D　由語境可知，我們做出了努力，住在路邊的父親也做出了努力，提醒人們別獵殺她。因此also也，符合語境。 55．A.In fact B．For long C．On the contrary D．By the way 答案：A　后文說，獵人們停下來拍照，因?yàn)樗麄儚奈匆娺^像Mildred那樣的東西

27、。in fact事實(shí)上；for long長久；on the contrary正相反；by the way順便說。由語境可知，in fact正確。 第三部分：閱讀理解(共20小題；每小題2分，滿分40分) 閱讀下列短文，從每題所給的四個(gè)選項(xiàng)(A、B、C和D)中，選出最佳選項(xiàng)。 A (2014吉林省實(shí)驗(yàn)中學(xué)高一模塊檢測) Most animals have little connection with animals of a different kind, unless they hunt them for food. Sometimes, however, two kinds of

28、animals come together in a partnership (伙伴關(guān)系) which is good for both of them. You may have noticed some birds sitting on the backs of sheep. This is not because they want a ride, but because they find easy food in the parasites (寄生蟲) on sheep. The sheep allow the birds to do so because they remove t

29、he cause of discomfort. So although they can manage without each other, they do better together. Sometimes an animal has a plant partner. The relationship develops until the two partners cannot manage without each other. This is so in the corals(珊瑚) of the sea. In their skins they have tiny pla

30、nts which act as “dustmen”， taking some of the waste products from the coral and giving in return oxygen which the animal needs to breathe. If the plants are killed, or are even prevented from receiving light so that they cannot live normally, the corals will die. 文章大意：文章介紹自然界中有的動(dòng)物和動(dòng)物之間相處的很好，還有的植物和

31、動(dòng)物是互相依存的關(guān)系。 56．Some birds like to sit on a sheep because ________. A．they enjoy travelling with the sheep B．they can eat its parasites C．they depend on the sheep for existence D．they find the position most comfortable 答案：B　細(xì)節(jié)理解題。答案即在“This is not because they want a ride, but because they find

32、 easy food in the parasites (寄生蟲) on sheep.”一句之中?？芍B喜歡坐在羊的身上，是想吃羊身上的寄生蟲，選B。 57．The underlined word “they” in the last sentence of the first paragraph refers to ________. A．birds and parasites B.parasites and sheep C．birds and sheep D．sheep, birds and parasites 答案：C　猜測詞義題。前文中的“The sheep

33、allow the birds to do so because they remove the cause of discomfort.”的意思是說：綿羊讓鳥兒落在自己身上，因?yàn)轼B兒可以將它們身上的寄生蟲吃掉。”；另一句“So although they can manage without each other”的意思是說：盡管它們自己也能對(duì)付寄生蟲……”。綜合上面兩句話的意思，再結(jié)合“...they do better together ”這一句話，可知they指的是鳥和羊，即得答案為C。 58．We learn from the text that corals depend on

34、 plants for________. A．comfort B．light C．oxygen D．food 答案：C　細(xì)節(jié)理解題。根據(jù)第二段的句子：“...taking some of the waste products from the coral and giving in return oxygen which the animal needs to breathe.”這句話可知，珊瑚需要植物提供的氧氣才能生存下去。選C。 59．What does the second paragraph mainly discuss? A．Some animals and plan

35、ts develop their relationship easily. B．Some animals and plants depend on each other for existence. C．Some plants depend on each other for food. D．Some animals live better together. 答案：B　段落大意題。根據(jù)第二自然段的內(nèi)容，Sometimes an animal has a plant partner.珊瑚和它們體內(nèi)的植物具有相互依存的關(guān)系，選B。 B (2014新課標(biāo)Ⅰ，閱讀理解B篇) Passe

36、nger pigeons (旅鴿) once flew over much of the United States in unbelievable numbers. Written accounts from the 18th and 19th centuries described flocks (群) so large that they darkened the sky for hours. It was calculated that when its population reached its highest point, there were more than 3 bill

37、ion passenger pigeons－a number equal to 24 to 40 percent of the total bird population in the United States, making it perhaps the most abundant bird in the world. Even as late as 1870 when their numbers had already become smaller, a flock believed to be 1 mile wide and 320 miles (about 515 kilometer

38、s) long was seen near Cincinnati. Sadly, the abundance of passenger pigeons may have been their undoing. Where the birds were most abundant, people believed there was an everlasting supply and killed them by the thousands. Commercial hunters attracted them to small clearings with grain, waited unti

39、l pigeons had settled to feed, then threw large nets over them, taking hundreds at a time. The birds were shipped to large cities and sold in restaurants. By the closing decades of the 19th century, the hardwood forests where passenger pigeons nested had been damaged by Americans need for wood, whi

40、ch scattered (驅(qū)散) the flocks and forced the birds to go farther north, where cold temperatures and spring storms contributed to their decline. Soon the great flocks were gone, never to be seen again. In 1897, the state of Michigan passed a law prohibiting the killing of passenger pigeons, but by th

41、en, no sizable flocks had been seen in the state for 10 years. The last confirmed wild pigeon in the United States was shot by a boy in Pike County, Ohio, in 1900. For a time, a few birds survived under human care. The last of them, known affectionately as Martha, died at the Cincinnati Zoological G

42、arden on September 1, 1914. 文章大意：本文介紹了在18、19世紀(jì)美國數(shù)量最多的鳥類——旅鴿。介紹了當(dāng)時(shí)其數(shù)量之多的壯觀場面，人們?yōu)榱四踩∷嚼罅康墨C殺它們，最后不得不出臺(tái)法律來保護(hù)它們，但是已經(jīng)為時(shí)過晚。 60．In the 18th and early 19th centuries, passenger pigeons ________. A．were the biggest bird in the world B．lived mainly in the south of America C．did great harm to the natural e

43、nvironment D．were the largest bird population in the US 答案：D　 細(xì)節(jié)理解題。由文章第二段信息．..a number equal to 24 to 40 percent of the total population in the United States 以及making it perhaps the most abundant bird in the world可知，在18、19世紀(jì)，旅鴿是美國數(shù)量最多的鳥類，故D項(xiàng)正確。 61．The underlined word “undoing” probably refers t

44、o the pigeons ________. A．escape B．ruin C．liberation D．evolution 答案：B　由該詞后面的句子Where the birds were most abundant，people believe there was an everlasting supply and killed them by the thousands...，由此可知，旅鴿的豐富性可能會(huì)被毀掉，故undoing意為“毀滅”，B項(xiàng)正確。 62．What was the main reason for people to kill passenger pige

45、ons? A．To seek pleasure. B．To save other birds. C．To make money. D．To protect crops. 答案：C　 推理判斷題。由文章第三段的信息 commercial hunters最后一句話 The birds were shipped to big cities and sold in restaurants可知，人們把旅鴿殺掉主要是為了賣錢，故C項(xiàng)正確。 63．What can we infer about the law passed in Michigan? A．It was ignored by the

46、public. B．It was declared too late. C．It was unfair. D．It was strict. 答案：B　推理判斷題。由文章最后一段信息 but by then，no seizable flocks had seen in the states for 10 years可知，在這部法律頒布之前10年，旅鴿就消失了，由此可知，這部法律頒布的太晚了，故B項(xiàng)正確。 C Millions of years ago there were many types of dinosaurs on the earth. Most dinosau

47、rs were plant eaters. The Apatosaurus, for example, had a long thin neck so that it could eat leaves from trees. Other dinosaurs were meat eaters. The Tyrannosaurus Rex (霸王龍)killed smaller dinosaurs for food. Dinosaurs were real animals that once lived on the earth，but they died out abou

48、t 65 million years ago. The disappearance of the dinosaurs is in some way a great mystery (謎). Some scientists think that the climate changed suddenly. Fossils (化石) of trees tell us the temperature dropped a lot and that it got suddenly much colder. Perhaps the dinosaurs were too slow to change with

49、 the climate. A new idea is that a meteor (流星)crashed into the earth. Scientists discovered a place in Mexico where they think the meteor crashed. They think that there was a lot of dust from the meteor. The dust landed on the plants. Also the dust blocked the suns light for as long as five years.

50、Many animals, including dinosaurs, were plant eaters, and perhaps the dust killed them. This means there was nothing left for meat eating dinosaurs to eat, and they died out. But, as many animals from that time didnt die，we are not 100% sure what really happened. 文章大意：陸地上的恐龍到底是怎樣消失的？原因又是什么？本文對(duì)此作了分

51、析：當(dāng)時(shí)陸地上的氣候變化和流星撞擊地球或許是兩個(gè)重要的原因。 64．What are the two possible explanations to the dinosaurs disappearance? A．Temperature dropping and sea level dropping. B．Climate changing and meteors crashing. C．The dropping of temperature and sea level. D．Climate changing and the dust blocking the sun. 答案：B

52、　細(xì)節(jié)理解題。從文章第二段可知?dú)夂虻淖兓赡苁强铸垳缃^的一個(gè)原因；從第三段可知流星撞擊地球可能是另一個(gè)原因；至于海平面的高度文章未提及，故選B。 65．What does the underlined word “blocked” in the third paragraph mean in Chinese? A．照耀　　　　 B．出現(xiàn) C．消失 　　　　 D．阻擋 答案：D　詞義猜測題。從dust(灰塵；塵埃)的意思，可推知對(duì)陽光的作用，應(yīng)選D項(xiàng)。 66．What is the direct cause of the disappearance of meat eating

53、 dinosaurs? A．A meteors crashing. B．The dust blocking the sun. C．The plant eating dinosaurs death. D．It is still unknown. 答案：C　推理判斷題。由文章第一段可知幾百萬年以前大多數(shù)恐龍是食草恐龍，僅有一小部分是食肉恐龍，從第二、三段可知：當(dāng)時(shí)氣候的突然變冷，使得食草恐龍無法適應(yīng)并且無食物來源(樹木凍死)，再加上流星的撞擊地球，大量的灰塵導(dǎo)致食草恐龍滅絕，最后導(dǎo)致食肉恐龍缺少食物而滅絕，故選C。 D There are many international or

54、ganizations which work to save and protect endangered species(物種)and natural environment.If you would like more information about any of the organizations listed below, you can write to the addresses given. Friends of the Earth(FOE)campaigns on a range of problems including rainforests，the countrys

55、ide，water and air pollution and energy. Friends of the Earth International Secretariat P．O.Box 19199 1000 G．D. Amsterdam The Netherlands Greenpeace uses peaceful but direct action to defend the environment. It campaigns to protect rainforests and sea animals，stop global warming and end p

56、ollution of air，land and seas.It also opposes nuclear(核)power. Greenpeace International Keizergracht 176 1016 DW Amsterdam The Netherlands BirdLife International is an organization which works to save endangered birds all over the world. BirdLife International Wellbrook Court Girton Road

57、 Cambridge CB3 ONA England WWF—World Wide Fund For Nature is the worlds largest private international organization for the protection of nature and endangered species. Information Officer WWF International Avenue du MontBlanc 1196 Gland Switzerland 67.If you want to learn more about t

58、he organizations，you can________. A．call them B．write them a letter C．visit them D．send them an email 答案：B　細(xì)節(jié)理解題。由第二句話“If you would like more information about any of the organizations listed below, you can write to the addresses given.”可知，寫信可以獲知更多的信息。 68．BirdLife International is an orga

59、nization trying to______. A．reduce pollution B．defend rainforests C．protect ocean animals D．save endangered birds 答案：D　細(xì)節(jié)理解題。由第三個(gè)組織的介紹“BirdLife International is an organization which works to save endangered birds all over the world.”可知，選D項(xiàng)。 69．What can we learn about WWF? A．It helps to p

60、rotect nature and save endangered animals. B．It is the worlds largest international organization. C．It works for private companies and rich people. D．It is a private organization in the United States. 答案：A　細(xì)節(jié)理解題。由對(duì)第四個(gè)組織的介紹“...the worlds largest private international organization for the protecti

61、on of nature and endangered species.”可知，A項(xiàng)正確。B項(xiàng)缺少定語private；C項(xiàng)for private companies and rich people錯(cuò)了；D項(xiàng)in the United States錯(cuò)了。 70．Which is the best title for the passage? A．Environmental Protection Organizations B．Global Traffic Problems C．Endangered Animals D．Natural Beauty 答案：A　主旨大意題。全文

62、介紹了四個(gè)環(huán)境保護(hù)組織的基本情況。 E (2014天津市五區(qū)縣期末) The Galapagos Islands are in the Pacific Ocean, off the western coast of South America. They are a rocky, lonely spot, but they are also one of the most unusual places in the world. One reason is that they are the home of some of the last giant tortoises(烏龜)lef

63、t on earth. Weighing hundreds of pounds, these tortoises go slowly around the rocks and sand of the islands. Strangely, each of these islands has its own particular kinds of tortoises. There are seven different kinds of tortoises on the eight islands, and each kind is slightly different from the

64、other. Hundreds of years ago, thousands of tortoises were around these islands. However, all that changed when people started landing there. When people first arrived in 1535, crews would seize as many tortoises as they could. They would roll the tortoises onto their backs when they were brought

65、onto the ships. The tortoises were completely helpless once on their backs, so they could only lie there until used for soups and stews. Almost 100,000 tortoises were carried off in this way. The tortoises faced other problems, too. Soon after the first ships, settlers arrived, bringing pigs, goa

66、ts, donkeys, dogs and cats. All of these animals ruined life for the tortoises. Donkeys and goats ate all the plants that the tortoises usually fed on, while the pigs, dogs and cats ate thousands of baby tortoises each year. Within a few years, it was hard to find any tortoise eggs—or even any baby tortoises. Finally, in the 1950s, scientists decided that something must be done. The first part of their plan was to remove as many cats, dogs and other animals as t