?Unit 2 Wildlife Protection B卷

一、閱讀理解
1. I suddenly heard an elephant crying as though frightened. Looking down, I immediately recognized that something was wrong, and ran down to the edge of the near bank. There I saw Ma Shwe with her three-month-old calf struggling in the fast-rising water, and it was a life-and-death struggle. Her calf was floating and screaming with fear. Ma Shwe was as near to the far bank as she could get, holding her whole body against the rushing water, and keeping the calf pressed against her huge body. Every now and then the rushing water would sweep the calf away. There was a sudden rise in the water and the calf was washed clean over the mother's body and was gone. Ma Shwe turned quickly to reach it and pressed the calf with her head and trunk(象鼻) against the rocky bank. Then with a huge effort, she picked it up in her trunk and tried until she was able to place it on a narrow shelf of rock.
Just at this moment, she went back into the river. If she were carried down, it would be certain death. I knew, as well as she did, that there was one spot(地點) where she could get to the bank, but it was on the other side from where she had put her calf. While I was wondering what I could do next, I heard the sound of a mother's love. Ma Shwe had crossed the river and got to the bank and was making her way back as fast as she could, roaring(吼叫) all the time, but to her calf it was music.
(1). The moment the author got down to the river bank he saw _______.
A. the calf was about to fall into the river
B. Ma Shwe was placing the calf on the rock
C. the calf was washed away by the rising water
D. Ma Shwe was holding the calf against the rushing water
(2). How did Ma Shwe manage to save her calf from the fast-flowing water?
A. By putting it on a safe spot. B. By pressing it against her body.
C. By taking it away with her. D. By carrying it on her back.
(3). How did the calf feel about the mother elephant's roaring?
A. It was a musical note. B. It was a sign of danger.
C. It was a call for help. D. It was a great comfort.
2. After years of heated debate, gray wolves were reintroduced to Yellowstone National Park. Fourteen wolves were caught in Canada and transported to the park. By last year, the Yellowstone wolf population had grown to more than 170 wolves.
Gray wolves once were seen here and there in the Yellowstone area and much of the continental United States, but they were gradually displaced by human development. By the 1920s, wolves had practically disappeared from the Yellowstone area. They went farther north into the deep forests of Canada, where there were fewer humans around.
The disappearance of the wolves had many unexpected results. Deer and elk populations—major food sources (來源) for the wolf—grew rapidly. These animals consumed large amounts of vegetation (植被), which reduced plant diversity in the park. In the absence of wolves, coyote populations also grew quickly. The coyotes killed a large percentage of the park's red foxes, and completely drove away the park's beavers.
As early as 1966, biologists asked the government to consider reintroducing wolves to Yellowstone Park. They hoped that wolves would be able to control the elk and coyote problems. Many farmers opposed the plan because they feared that wolves would kill their farm animals or pets.
The government spent nearly 30 years coming up with a plan to reintroduce the wolvers. The U.S. Fish and Wildlife Service carefully monitors and manages the wolf packs in Yellowstone. Today, the debate continues over how well the gray wolf is fitting in at Yellowstone. Elk, deer, and coyote populations are down, while beavers and red foxes have made a comeback. The Yellowstone wolf project has been a valuable experiment to help biologists decide whether to reintroduce wolves to other parts of the country as well.
1.What is the text mainly about?
A.Wildlife research in the United States.
B.Plant diversity in the Yellowstone area.
C.The conflict between farmers and gray wolves.
D.The reintroduction of wolves to Yellowstone Park.
2.What does the underlined word "displaced" in paragraph 2 mean?
A.Tested. B.Separated. C.Forced out. D.Tracked down.
3.What did the disappearance of gray wolves bring about?
A.Damage to local ecology. B.A decline in the park's income.
C.Preservation of vegetation. D.An increase in the variety of animals.
4.What is the author's attitude towards the Yellowstone wolf project?
A.Doubtful. B.Positive. C.Disapproving. D.Uncaring.
3.????? One animal which is still alive, but has almost disappeared from the world, is the Chinese river dolphin or baiji.
????? The baiji is a beautiful animal with agraceful body and a long nose. It is blue-grey with a white underside, weighs between 100 and 160 kilogrammes, and can grow up to eight feet long. It lives in the middle and lower parts of the Yangtze River. Most dolphins live in the sea so the baiji is very unusual. It is one of only five kinds of river dolphins in the world.
????? In the past, the Yangtze River was home to many thousands of baiji. A book written during the Han Dynasty,22 centuries ago, tells of the river being full of the beautiful creatures. At that time, there were many stories about the baiji. One story said that the dolphin was really a beautiful princess who had drowned in the river. Another said it was a kind of horse that could gallop (急速行進) across water, carrying God on its back.
????? Sadly, the situation today is very different. Many millions of people live in the Yangtze River Basin and the river is busy, noisy and polluted. The baiji is almost blind and moves around using sounds. With so many boats and people using the river, the animals cannot find their way around. They are unable to find food, or find each other. Year by year, the number of baiji in the river becomes smaller and smaller.
????? A lot of work is being done to help the baiji. One section of the river has been made into a kind of nature park, where the baiji can be safe. Fishermen work together with scientists and tell them when they see a baiji, or if they find an injured one. Injured animals are taken to a research center and nursed back to be healthy. However, in spite of these measures, scientists estimate(估計) that the mumber of the baiji still alive in the river may be less than 100. If things continue as they are, the lovely creature will disappear in the next 25 years.
1.Which description about the baiji is WRONG?
A.It has already died out from the world.
B.It is blue-grey with a white underside.
C.It lives in the middle and lower parts of the Yangtze River.
D.It is one of only 5 kinds of river dolphins in the world.
2.The reasons why the baiji is disappearing are the following EXCEPT _____.
A.many millions of people live in the Yangtze River Basin, making there noisy and polluted
B.the baiji is blind because of the pollution and can't find the way around
C.the boats and people are noisy, making the animals cannot find their way around by sounds
D.they are unable to find food or find each other by sounds since the river is noisy
3.Which of the following is the correct way to save the baiji?
A.Catch the baiji and take them to the research center.
B.Make the whole Yangtze River a nature park for the baiji to live in.
C.Make one section of the river a nature park where the baiji can be safe.
D.Ask many people to come to the river to help the baiji
4.What can we learn from the passage?
A.People can take some measures to save the animals dying out.
B.The animals dying out are being hunted by human beings.
C.People like to live in the Yangtze River Basin with animals swimming in the river.
D.There are more baiji living in a nature park now.
4. How does an ecosystem(生態(tài)系統(tǒng)) work? What makes the populations of different species the way they are? Why are there so many flies and so few wolves? To find an answer, scientists have built mathematical models of food webs, noting who eats whom and how much each one eats.
With such models, scientists have found out some key principles operating in food webs. Most food webs, for instance, consist of many weak links rather than a few strong ones. When a predator(掠食動物) always eats huge numbers of a single prey(獵物), the two species are strongly linked; when a predator lives on various species, they are weakly linked. Food webs may be dominated by many weak links because that arrangement is more stable over the long term. If a predator can eat several species, it can survive the extinction of one of them. And if a predator can move on to another species that is easier to find when a prey species becomes rare, the switch allows the original prey to recover. The weak links may thus keep species from driving one another to extinction.
Mathematical models have also revealed that food webs may be unstable, where small changes of top predators can lead to big effects throughout entire ecosystems. In the 1960s, scientists proposed that predators at the top of a food web had a surprising amount of control over the size of populations of other species—including species they did not directly attack.
And unplanned human activities have proved the idea of top-down control by top predators to be true. In the ocean, we fished for top predators such as cod on an industrial scale, while on land, we killed off large predators such as wolves. These actions have greatly affected the ecological balance.
Scientists have built an early-warning system based on mathematical models. Ideally, the system would tell us when to adapt human activities that are pushing an ecosystem toward a breakdown or would even allow us to pull an ecosystem back from the borderline. Prevention is key, scientists say because once ecosystems pass their tipping point(臨界點), it is remarkably difficult for them to return.
1. What have scientists discovered with the help of mathematical models of food webs?
A. The living habits of species in food webs.
B. The rules governing food webs of the ecosystems.
C. The approaches to studying the species in the ecosystems.
D. The differences between weak and strong links in food webs.
2. A strong link is found between two species when a predator ________.
A. has a wide food choice
B. can easily find new prey
C. sticks to one prey species
D. can quickly move to another place
3. What will happen if the populations of top predators in a food web greatly decline?
A. The prey species they directly attack will die out.
B. The species they indirectly attack will turn into top predators.
C. The living environment of other species will remain unchanged.
D. The populations of other species will experience unexpected changes.
4. How does an early-warning system help us maintain the ecological balance?
A. By getting illegal practices under control.
B. By stopping us from killing large predators.
C. By bringing the broken-down ecosystems back to normal.
D. By signaling the urgent need for taking preventive action.
二、七選五
5. Sharks are among the oldest animals on Earth. There are hundreds of kinds of sharks. Most are about two metres long. The dogfish shark, however, is less than twenty centimetres in length. A shark has an extremely good sense of smell. It can find small amounts of substances in water, such as blood, body liquids and chemicals produced by animals. ①_______ Sharks eat fish, other sharks, and plants that live in the ocean.
Sharks grow slowly. About forty percent of all sharks lay eggs. ②_______ Some sharks carry their young inside their bodies as humans do. Some sharks are not able to reproduce until they are twenty years old. Most reproduce only every two years. And they give birth to fewer than ten young sharks. For this reason, overfishing of sharks is of special danger to the future of the animal.
Sharks are important for the world's oceans. They eat injured and diseased fish. Their hunting activities mean that the numbers of other fish in ocean waters do not become too great. ③_______
People hunt sharks for sport, food, medicine and their skin. Experts say the international market for some kinds of sharks has increased because many parts of a shark are valuable.
Collectors pay thousands of dollars for the jaws of a shark. ④_______ The skin of a shark can be used like leather.
In Asia, people enjoy a kind of soup made from shark fins. Experts say a fisherman can earn a lot of money for even one kilogram of shark fins. Sharks are among the oldest animals on Earth, but some sharks are in danger of disappearing from Earth. ⑤_______
A.Shark liver oil is a popular source of Vitamin A.
B.This protects the plants and other forms of life that exist in the oceans.
C.Sharks are valuable to us and we can make full use of them.
D.These powerful senses help sharks find their food.
E.If too many sharks in one area are killed, that group of sharks may never return to normal population levels.
F.They are a threat to other forms of life in the ocean.
G.The others give birth to the young.
三、完形填空（15空）
6.??? Wildlife has been greatly threatened in the modern age. There are species(物種) that are??? 1?? ?every day. The white-naped crane is a typical example. So scientists are trying their best to??? 2??? the species from going out of existence.
??? Chris and Tim work at a zoo, helping endangered cranes with their reproduction(繁殖). Emma, a female crane, has been in their??? 3??? since she arrived in 2004.
??? Born at an international crane foundation, Emma was??? 4?? ?by human caretakers. This led to an unexpected??? 5??? , though she had a wonderful time there. Emma had??? 6??? taken herself as a crane and become deeply attached to humans. She?? ?7??? to live with male cranes, and even had a??? 8?? ?for killing some of them, which made it??? 9?? ?for her to become a mother.
?? ???? 10??? , the two zookeepers didn't want to see the extinction(滅絕) of this precious species. With their patience and efforts, they successfully developed a??? 11??? of artificial breeding(人工繁殖) and natural reproduction. This?? ?12??? Emma to give birth to five baby cranes.
??? The two keepers are proud of their productive work. But before they can be??? 13??? , more efforts must be made, because the population of the crane in the wild is on the??? 14?? ?, and many other species appear headed toward extinction.???? 15????, not everyone has realized that wildlife has thoughts, feelings, and most importantly, equal rights to survive.
1.A.surviving???? B.migrating???? C.competing???? D.disappearing
2.A.kill???? B.save???? C.determine???? D.remove
3.A.care???? B.eye???? C.mind???? D.mystery
4.A.found???? B.chosen???? C.raised???? D.seized
5.A.effect???? B.consequence???? C.victory???? D.solution
6.A.never???? B.always???? C.occasionally???? D.ever
7.A.destroyed???? B.refused???? C.measured???? D.recovered
8.A.gift???? B.skill???? C.trend???? D.reputati
9.A.amazing???? B.unbelievable???? C.important???? D.impossible
10.A.Therefore???? B.Moreover???? C.However???? D.Instead
11.A.combination???? B.collection???? C.solution???? D.accommodation
12.A.forced???? B.forbade???? C.sought???? D.enabled
13.A.defeated???? B.grateful???? C.assured???? D.tolerant
14.A.list???? B.rise???? C.agenda???? D.decline
15.A.In contrast???? B.After all???? C.By the way???? D.On the contrary
四、語法填空
7.閱讀下面材料,在空白處填入適當?shù)膬?nèi)容(1個單詞)或括號內(nèi)單詞的正確形式。
????The 15 wild Asian elephants left their habitat in Xishuangbanna National Nature Reserve in Southwest China's Yunnan province and?①_________(move) to the north. 41 days later, the herd traveled to Hongta district, Yuxi city neighboring with the south of Kunming. The?②_________ (locate) was only 20 km away from Kunming's Jingning district and less than 100 km away from the capital's downtown area. The herd,?③_________ (original)consisting of 17 elephants in total at their departure time,?④_________ (report)to leave Xishuangbanna last year.?⑤_________ May 24th, a young elephant found alcoholic food at a villager's home and got drunk. Luckily, the baby elephant,?⑥_________ overslept, rejoined the unit the next day. The 15 elephants continued their journey. The Asian elephant, ⑦_________ (include) on the International Union for Conservation of Nature Red List of Threatened Species as endangered, enjoys Class-A protection in China, the same level as that of the giant panda. Yunnan?⑧_________ (be) the only habitat of wild Asian elephants in China. Before the 1970s, the species was threatened due to many reasons, such as an increase in the human population, reduced forestry areas?⑨_________ illegal(非法的)hunting. The number of elephants dropped significantly. However, due to determined protection efforts in recent??⑩_________ (decade), the Asian elephant population in China has risen from 170 in the 1970s to 300.
五、讀后續(xù)寫
8.閱讀下面材料,根據(jù)其內(nèi)容和所給段落開頭語續(xù)寫兩段,使之構成一篇完整的短文。
??? I took a job as a receptionist for a veterinarian(獸醫(yī)) almost five decades ago. As an enthusiastic animal lover, I accepted the position on condition that I wouldn't have to assist with any wounded animals. I couldn't bear to see any creature in pain. At the end of my first week, we were closing the office for the day when a young man ran up to us holding a severely injured Doberman puppy in his arms and begging us to save his life. The four-month-old pup had been hit by a car.
??? The doctor and I ran back into the operating room. The only place the skin was still attached to this poor little animal's body was around one shoulder. The vet worked tirelessly for what seemed like hours, stitching(縫合) him back together again. That was the easy part. The puppy had broken multiple bones, including his spine (脊柱). Even if he survived the next few days, we were quite sure he would never walk again.
??? That day forever changed my life. The veterinarian guided me, and I became his assistant in all things. One of my first jobs was to give that Doberman puppy daily physical care. I remembered moving his tiny legs to try to keep his muscles from withering (萎縮). Weeks went by until one day, I felt this little fighter push back ever so slightly. And he continued to push back till he could finally use his legs. He recovered.
??? A year later, I walked into the clinic's waiting room and saw a huge Doberman who had been standing quietly with his owner on the opposite side of the room. I called the name of the next client.
注意:續(xù)寫詞數(shù)應為150左右。
????Suddenly, the huge Doberman broke loose and rushed toward me. ______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
??? I went on to be a vet technician for 14 years, and since retirement, I've volunteered at a no-kill animal shelter. ______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
六、書面表達
9.??? 假如你叫李華,你所生活的城市周圍有很多動植物正逐漸減少,請你對此現(xiàn)象向有關部門寫一封信,分析造成這種現(xiàn)象的原因,并根據(jù)實際情況提出幾條切實可行的建議。以下幾條要點需包括在內(nèi):
??? 1.?野生動植物的現(xiàn)狀;
??? 2.?分析造成許多野生動植物瀕臨滅絕的原因;
??? 3.?提出幾條保護野生動植物的具體措施。
注意:
??? 1.不可遺漏要點,可適當增加細節(jié),以使行文連貫;
??? 2.詞數(shù)80左右,開頭和結尾已給出,不計入總詞數(shù)。
Dear Sir or Madam,
??? I'm writing to give some suggestions to protect the wildlife living in and around our city.
______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
??? I hope my suggestions are of much help.
Yours sincerely,
Li Hua


參考答案
1.答案：(1)-(3) DAD
解析：(1).細節(jié)理解題。根據(jù)文章第一段的"There I saw Ma Shwe with her three-month-old calf struggling in the fast-rising water, and it was a life-and-death struggle... holding her whole body against the rushing water..."可知，Ma Shwe盡可能地貼近河岸,抓住小象來對抗洪水。故選D項。
(2).細節(jié)理解題。根據(jù)文章第一段中對Ma Shwe營救小象的細節(jié)的描寫可知，Ma Shwe是在尋找一個安全的地方。文章第二段第三句話"I knew, as well as she did, that there was one spot(地點) where she could get to the bank, but it was on the other side from where she had put her calf."再次說明她是通過把小象放到一個安全的地方來營救小象的。故選A項。
(3).推理判斷題。根據(jù)文章對小象的描寫可知，小象一直處于緊張、害怕的狀態(tài)，直到象媽媽成功地救了自己并來到自己身邊時，小象的害怕和緊張情緒才得以平復，所以象媽媽的吼叫也像是音樂一般成為對小象的一種撫慰。故選D項。
2.答案：1.D; 2.C; 3.A; 4.B
解析：1.主旨大意題。根據(jù)第一段第一句"...?gray wolves were reintroduced to Yellowstone National Park. " 和最后一段第一句"The government spent nearly 30 years coming up with a plan to reintroduce the wolves. "可知,文章主要介紹了黃石國家公園的灰狼消失后產(chǎn)生的影響以及當?shù)卣匦乱牖依堑挠媱?。故選D項。
2.詞義猜測題。根據(jù)第二段可知,在黃石國家公園,灰狼曾經(jīng)隨處可見,但是到了20世紀20年代,由于人類活動頻繁,灰狼基本消失,它們遷徙到了加拿大的森林深處,那里很少有人類活動。因此可推測灰狼因為人類的發(fā)展被迫離開。force out意為"趕出去",與displace意思相近,故選C項。
3.細節(jié)理解題。根據(jù)第三段可知,灰狼的消失帶來了很多意料之外的后果,鹿和麋鹿的數(shù)量激增,它們消耗了大量的植被,破壞了公園里植物的多樣性同時叢林狼的數(shù)量也迅速增長, 造成赤狐數(shù)量的減少和河貍的消失。因此灰狼的消失破壞了當?shù)氐纳鷳B(tài),故選A項。
4.推理判斷題。由文章最后一段最后一句話中的a valuable experiment可推知,作者對黃石國家公園的灰狼回歸計劃持贊同的態(tài)度,故選B項。doubtful意為"懷疑的";positive意為 "贊同的";disapproving意為"不贊成的";uncaring意為"漠不關心的"。
3.答案：1.A; 2.B; 3.C; 4.A
解析： 1.細節(jié)理解題。由第一段中的...still alive, but has almost disappeared 可知,應選 A。
2.B 推理判斷題。第四段講述了baiji減少的原因:它們是一種靠聲音辨別方向的動物,隨著住在長江沿岸的人的增多,長江變得喧鬧,它們就找不到方向,找不到食物和同伴了,所以數(shù)量逐漸減少。
3.C 推理判斷題。baiji數(shù)量減少最重要的原因就是它們要依靠聲音辨別方向,而人類活動把它們所需要的寧靜破壞了,最好的辦法自然就是還給它們原有的寧靜環(huán)境——建一片自然公園,當然不可能將整個長江建成自然公園,所以是一部分, C對B錯;只需把受傷的baiji帶回研究中心治療,不是把每條都抓回去,最適合它們的家還是長江,故A錯;讓許多人到長江只會加劇baiji滅亡而不是幫助它們,故D錯。
4.A 推理判斷題。根據(jù)全文內(nèi)容推知人們可以采取措施來保護瀕臨滅絕的動物。
4.答案：1-4 BCDD
解析：1.細節(jié)理解題。根據(jù)第二段第一句"With such models, scientists have found out some key principles operating in food webs."可知，應選B項。
2.推理判斷題。根據(jù)第二段第句"When a predator(掠食動物) always eats huge numbers of a single prey(獵物), the two species are strongly linked..."可知，當一種掠食動物總是吃掉數(shù)量龐大的單一種類的獵物時，這兩種動物有較強關聯(lián)；結合下文可知，有較弱關聯(lián)的兩個物種，掠食動 物有廣泛的食物選擇、容易找到新的獵物，故排除A、B項。 D項在文中沒有提及，也排除。故選C項。
3.細節(jié)理解題。根據(jù)第三段第二句"In the 1960s, scientists proposed that predators at the top of a food web had a surprising amount of control over the size of populations of other species—including species they did not directly attack."可知，若一個食物鏈頂層的掠食動物大規(guī)模減少， 其他物種的數(shù)量將會經(jīng)歷意想不到的改變。故選D項。
4.細節(jié)理解題。根據(jù)最后一段第二句"Ideally, the system would tell us when to adapt human activities that are pushing an ecosystem toward a breakdown or would even allow us to pull an ecosystem bade from the borderline."可知，預警系統(tǒng)是通過發(fā)出需要采取預防行動的信號來幫助我們維護生態(tài)平衡。故本題選D項。
5.答案：1-5 DGBAE
解析：1.根據(jù)前面一句"It can find small amounts of substances in water, such as blood, body liquids and chemicals produced by animals."可知鯊魚靈敏的嗅覺可以使它們找到水里的血、體液以及動物產(chǎn)生的化學物質(zhì)。這樣的能力讓它們迅速找到食物。故D項正確。
2.本句敘述鯊魚的繁衍方式。根據(jù)前面一句"About forty percent of all sharks lay eggs."可知百分之四十的鯊魚產(chǎn)卵。G項指其余的鯊魚直接生出小鯊魚。故G項正確。
3.根據(jù)前面一句"Their hunting activities mean that the numbers of other fish in ocean waters do not become too great."可知鯊魚可以保持海洋的生態(tài)平衡，不讓某些生物的數(shù)量太大。這間接地保護了海洋里的其他生物。故B項正確。
4.根據(jù)前一句"Collectors pay thousands of dollars for the jaws of a shark."和后一句"The skin of a shark can be used like leather."可知本段是在敘述鯊魚各部位的價值，只有A項與這兩句屬于同類。故A項正確。
5.根據(jù)前面一句"Sharks are among the oldest animals on Earth, but some sharks are in danger of disappearing from Earth."可知某些鯊魚已經(jīng)面臨著滅絕的危險。一旦某一區(qū)域內(nèi)大量的鯊魚被捕殺，該區(qū)域的鯊魚就很難恢復到正常的數(shù)獄。故E項正確。
6.答案：1-5 DBACB 6-10 ABDDC 11-15 ADCDB
解析：1.句意: 每天都有物種在消失。根據(jù)上句中的threatened及下文列舉的瀕危野生動物白枕鶴可知, 此處表示正在消失(disappearing), 故選D。survive幸存; migrate遷徙; compete競爭。
2.句意: 所以科學家們在盡最大努力拯救瀕危物種。由下文提到的Chris和Tim拯救白枕鶴可知, 此處表示拯救。save...from...拯救......免于, 故選B。kill殺死; determine確定; remove去除。
3.句意: Emma, 一只雌性白枕鶴, 自2004年來到這家動物園以后, 就一直由他們照看。由下文敘述可知, Chris和Tim一直在照顧Emma。in one's care由......來照看, 故選A。eye眼睛; mind思維; mystery神秘的事物, 奧秘。
4.由下文的become deeply attached to humans可知, Emma是由人類養(yǎng)大(raised)的。故選C。find找到; choose選擇; seize抓住。
5.這導致了出乎意料的結果。此處指后文描述的它無法正常繁殖后代這個后果(consequence), 故選B。effect影響; victory勝利; solution解決方法。
6.Emma從來沒把自己看作是只鶴。由下文提到become deeply attached to humans可知, Emma從來沒把自己看成是白枕鶴, 故選A。always總是, 一直; occasionally偶爾; ever曾經(jīng)。
7.結合語境可知, Emma不把自己看作是只鶴, 自然會拒絕(refused)和雄鶴一起生活, 故選B。destroy毀滅; measure測量; recover恢復。
8.它甚至會因為殺死一些雄鶴而出名(have a reputation), 故選D。gift天賦; skill技能; trend趨勢。
9.這使得它不可能成為母親。Emma拒絕與雄鶴一起生活, 自然不可能繁殖, 故選D。amazing令人驚訝的; unbelievable難以置信的; important重要的。
10.句意: 然而, 兩位動物飼養(yǎng)員不想看到這一珍稀物種滅絕。"它不可能成為母親"與"這兩位動物飼養(yǎng)員不想看到這一珍稀物種滅絕"是轉(zhuǎn)折關系, 故選C。therefore因此; moreover而且; instead代替, 而不是。
11.他們成功地將人工繁殖和自然繁殖兩種繁殖方式結合了起來。combination結合, 故選A。collection收集; solution解決辦法; accommodation調(diào)節(jié), 適應。
12.句意: 這種方式使Emma生了五只幼鶴。enable sb. to do sth.使某人做某事, 是固定搭配, 故選D。force迫使, 強迫; forbid禁止; seek尋找。
13.但在他們有把握(assured)之前, 必須做出更多的努力。defeated被擊敗的; grateful感激的; tolerant容忍的。
14.野生白枕鶴的數(shù)量在下降。on the decline在下降, 在衰退。故選D。list清單; rise上升; agenda議程。
15.句意: 畢竟(After all), 不是每個人都意識到了野生動物有思想, 有感情。最重要的是, 它們有平等的生存權利。聯(lián)系上下文可知, 應選B。in contrast相比之下; by the way順便提一下; on the contrary恰恰相反。
7.答案：1. moved2. location3. originally4. was reported5. On6. which7. included8. is9. and10. decades
解析：
1. moved【解析】考查時態(tài)。本句描述的是過去的事,move和前面的left一樣,是由and連接的兩個并列的謂語動詞。
2. location【解析】考查詞性轉(zhuǎn)換。根據(jù)前面的定冠詞可知,此處應該使用名詞。
3. originally【解析】考查副詞。修飾動詞,所以要用副詞。
4. was reported【解析】考查時態(tài)和語態(tài)。根據(jù)句中的時間狀語可知,本句是描述過去的事;分析句子結構可知本句缺少謂語動詞,且report和主語為動賓關系,所以此處要用一般過去時的被動語態(tài)。
5. On【解析】考查介詞。on表示具體的某一天。
6. which【解析】考查定語從句。分析句子結構可知,本句是非限制性定語從句,先行詞是elephant,指物。
7. included【解析】考查非謂語動詞。分析句子結構可知,此處作定語修飾 elephant,且與elephant是動賓關系,所以要用過去分詞。
8.is【解析】考查主謂一致。根據(jù)上下文可知,本句描述的是客觀事實,所以要用一般現(xiàn)在時;又因主語是單數(shù),所以此處要填is。
9.and【解析】考查連詞。根據(jù)句意可知,此處上下文為順接關系。
10. decades【解析】考查名詞單復數(shù)。根據(jù)后面的時間狀語—1970s可知,此處指的是近幾十年,所以要用該名詞的復數(shù)形式。
8.答案：
??? Suddenly, the huge Doberman broke loose and rushed toward me. I found myself pinned against the wall in amazement. To my surprise, the dog stood on his legs, his front paws on my shoulders, washing my face with joyful and abundant kisses! His owner came to me and told me that he was the dog we had saved one year ago. More than excited to see him again in such good health, I hugged him tightly, determined to become a good vet technician at that moment.
??? I went on to be a vet technician for 14 years, and since retirement, I've volunteered at a no-kill animal shelter. Being a vet technician and a volunteer at the no-kill animal shelter. I succeeded in saving more animals, which often made me think of the grateful huge Doberman. Although many years have passed, I still shed tears in amazement at the display of love and gratitude the dog had for me. All the dogs knew they had been rescued by me and they were grateful to me.
9.答案：
Dear Sir or Madam,
??? I'm writing to give some suggestions to protect the wildlife living in and around our city. As we know, many species of wildlife are in danger of extinction. This is because the environment that they are living in has been destroyed greatly.
??? With the development of cities, water and air are seriously polluted. Their living areas are becoming smaller and smaller. They not only have little to cat, but also can be killed by human beings. These species of wildlife are important part of our life. Personally, more measures should be taken to protect them from being hurt. Firstly, more laws must be made to stop people from cutting down trees. Secondly, all the factories must clean the waste water before it is poured into rivers or lakes. Thirdly, more reserves should be set up so that they can live safely.
??? I hope my suggestions are of much help.
Yours sincerely,
Li Hua


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Unit 2 Wildlife protection

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