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1、第 4 页 共 4 页 Discovering Useful Structures一 用所给词的适当形式填空1They are living with their parents for the moment because their own house _(rebuild)2Many interesting experiments _(carry) out these days.3These children _ (look) after by an old man now.4Wait a minute. The dishes for the dinner _ (cook) in the
2、kitchen.5He_(punish) by our teacher at the moment.6A new sports meeting_ (hold) in our school now.7So many things _ (do) here to prevent air pollution.8A bridge _ (build) in the distance and its construction _ (finish) in a year.二 完成句子1Now these old houses _ (属于我叔叔)2. My washing machine _ (正在被修理) th
3、is week, so I have to wash my clothes by hand.3She_ (正在被提问) by several reporters now.4The evening party the children are looking forward to _ (正在被举行) now. 5A new park_(正在被建设) here. They hope to finish it next year. 6You arent allowed to go into the meeting room. A secret plan _ (正在被制订) there. 7The l
4、aw is _ (在讨论当中). 8A new song _ (正在被教) by the teacher. 9The water in the lake is _ (受到污染). 10_the meeting _ (正在被举行) in the hall now?三 完形填空Sixyearold Mia Rabii is from California.She didnt expect to become a(n) _1_ when she went for a walk with her mom recently.But when some strangers called out for _
5、2_， Mia and her mom ran to their side.It turns out that some ducklings (小鸭子) had gotten stuck and the people who found them were unable to _3_ them.But luckily for the ducklings, Mia had just what it took to bring them to _4_.Now the sixyearolds _5_ act is being talked about around the world.It all
6、_6_ when a family found a mother duck _7_ with only one duckling.The father duck was nearby, but _8_， there were no other ducklings following them._9_ the family knew that ducks often travel in flocks (群), they realized that something was probably _10_.Then suddenly, there were strange _11_ coming f
7、rom a drainage pipe (排水管)They were the cries of ducklings.It turned out that the other ducklings had _12_ into the pipe and gotten stuck.Unluckily, no one in the family had slim (纤细的) enough _13_ to reach down and pull out the ducklings but _14_， there was a hero nearby.The family _15_ Mia and her m
8、om, who immediately rushed to them. The family filled Mia and her mom in on what had _16_， and Mia decided to take action _17_ and try to bring the ducklings to safety.Mia put her arm down into the darkness and carefully _18_ the first duckling. Mia then rushed back to save the _19_ duckling. And th
9、e next .until she had brought all eight ducklings to safety.After Mia saved the little creatures from _20_， the overjoyed mother duck went off with her beloved ducklings.1A.actor Binterviewer Chero Ddoctor2A.advice Bhelp Ctreatment Dencouragement3A.lose Bfeed Cprotect Dsave4A.safety Bhealth Cjoy Dst
10、rength5A.smart Bcreative Ckind Dfair6A.succeeded Bfailed Cstopped Dstarted7A.working Bwalking Cwaiting Dplaying8A.strangely Bsuddenly Cusually Dundoubtedly9A.Though BIf CBefore DBecause10A.wrong Bdifferent Ccommon Dfamiliar11A.warnings Bfeelings Csounds Dsmells12A.broken Bfallen Clooked Dflown13A.ro
11、pes Barms Csticks Dfingers14A.surprisingly Bclearly Cnaturally Dluckily15A.nodded to Blistened to Claughed at Dshouted at16A.happened Bchanged Cremained Dfinished17A.patiently Bsecretly Cimmediately Dfinally18A.guided Bexamined Ccovered Dlifted19A.same Bother Cnext Dlast20A.fear Bdoubt Cdanger DAnge
12、r阅读理解Every summer, the Serengeti plains (平原) of Africa are worth visiting. Millions of wild animals begin their 1,800mile journey northwards on their annual migratory (迁移的) route.In the month of November, polar bears in their thousands cross the Canadian Arctic, as they head towards the ice sheets o
13、f Hudson Bay. The sea ice that forms every winter is the key to the bears managing to exist, for here they hunt for seals (海豹)The Great Bustard, one of the heaviest flying birds, migrates each year across Europe and Asia to its wintering grounds. Unluckily, these and other migratory animals are in d
14、anger from human activity.Since 1979, ice sheets in the Arctic have gone down by 30 percent. What does this mean for polar bears? They are forced to stay on land for longer periods of time, which delays their search for food. As a result, bears today are 60 pounds lighter than what they were. Beside
15、s, smaller bears also produce weaker babies, and their chances of survival are at risk. In the plains of Africa, migratory animals like gazelles are traveling long distances for food, just to avoid falling prey (牺牲品) to humans who hunt them.In an unusual step, experts from 120 countries have agreed
16、to protect 31 migratory mammals, fish and birds. The United Nations 11th annual Conservation of Migratory Species of Wild Animals (CMS) was held in Quito, Ecuador. For the first time, 900 experts attended the conference, and the enthusiastic support shows the world is united in conservation (保护) eff
17、orts.What does getting on a protected list mean? Countries that have signed the agreement will be required to pass laws locally and work with other countries that fall within the animals migratory path. Only one animal did not make the list. The African lion was rejected (拒绝) for lack of information
18、 of the countries where it lives.1What can we learn from the passage?AThe Great Bustard is one of the largest flying birds.BThe weight of polar bears today is lighter than what it was.CIn the 1970s, ice sheets went down by 30 percent.D120 experts have agreed to protect 21 migratory animals.2Why was
19、the African lion not included on the list from the passage?AWe dont know which countries it lives in.BIt isnt a migratory animal.CExperts were not interested in this animal.DIt was not travelling long distances for food.3The writer writes this passage aiming to _.Alet us know about the animalsBprevent the rare animals from dying outCinform us of the effects of climate changeDdraw our attention to helping the migratory animals