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1、高二年高二年级级下下学学期期期中考期中考试试单项选择（15 分）1。With an online course Lynn has over 300，000 students all over China _ her class throughthe Internet。A.attending B.attended C.attend D.are attending2.There is no doubt _ youll be warmly welcomed by people there。A。ifB.whetherC.thatD。about3.Though he didnt_an important
2、 position,he got along very well with almost every-bodyand was trusted by most of his leaders。A。attendB.make C.holdD。stand4。Our team _ theirs by the score 2:1 in the final football match.A.wonB.hitC。beatD.failed5。-Do you often go to the park？-Yes,Ive visited it _ times.A。score ofB。scores ofC.three s
3、cores ofD。many scores6。He asked them to come to his office one _.A.at a timeB.at all timeC.at timesD.at one time7。The old man _ morning exercises。A.is used to doB。got into the habit to doC.has got into the habit of doingD.get used to do8。He thought the painting was of little _,so he let me have it o
4、nly for ten pounds.A。costB.valueC.priceD.expense9.You cant _possession of the house until all papers have been signed.A.moveB.takeC.catchD.show10.-Did Linda see the traffic accident？-No，no sooner _than it happened.A.had she goneB。she had goneC.has she goneD.she has gone11。If you are travelling _the
5、customs are really foreign to your own，please do as theRomans do。A.in whichB.whatC.whenD.where12。After all the harm she has done,she _ whatever she gets。A.costsB。deservesC。appointsD.obtain13。Every one of us hoped that he would _after a few days treatment inthe hospital。A.bring upB.grow upC。look upD.
6、pick up14。The boy was so _ in reading that he didnt hear his father knocking at the door.A.drawnB。absorbedC.valuedD。talented15.How are you getting on？Fine。I think I have been used _ now.A.to work hardB。to hard workC。work hardD。hard work第二节完形填空(共 20 小题;每小题 1。5 分，满分 30 分）阅读下面短文,理解大意，从题中所给的A、B、C、D 四个选项
7、中选出一个最佳答案。In the past,man did not have to think about the protection of his environment。There were fewpeople on the earth，and natural resources seemed to be_16_.Today things are_17_;theworld has become too_18_.We are using up our natural resources too quickly，and at the sametime we are_19_our enviro
8、nment with dangerous chemicals.If we continue to do this，humanlife on the earth_20_survive.Everyone_21_today that if too many fish are taken from the sea,there will soon be none left。Yet，with modern fishing_22_，more and more fish are caught.We know that if too many treesare cut down,_23_will disappe
9、ar and nothing will grow on the land.Yet，we_24_to usebigger and more powerful machines to_25_more and more trees。We realized that if rivers are polluted by waste products from factories，we will die。_26_，inmost countries wastes are_27_put into rivers or into the sea，and there are_28_laws to stopthis.
10、We know,too,that if the_29_of the world continues to_30_at the present rate,in a few years,there will not be enough houses and there will not be more food_31_for everyone.Land that isused to grow crops_32_five times more people than land where animals are kept.Our natural resources will_33_longer if
11、 we learn to recycle them。The world population willnot rise so quickly if people use modern methods of birth_34_。Finally，if we educate people to think about the problems,we shall have a better andcleaner_35_in the future.16A。beautiful BunlimitedCrare Dvaluable17A。common Bthe sameCchangeable Ddiffere
12、nt18A。crowded BsmallCdirty Dbusy19A。protecting BsavingCpolluting Dfighting20A。may not Bwill notCshall not Dcould not21A。wonders BrealizesCconsiders Ddiscovers22A。poles BboatsCmethods Dideas23A。mountains Bthe seaCtrees Dforests24A.continue BhaveCought Dgo on25A.grow BplantCsave Dcut down26A。Thus BHow
13、everCGenerally speaking DTherefore27A.still BevenCalso Dcertainly28A.too many Ba fewCsome Dfew29A.production BpollutionCpopulation Drevolution30A。improve BproduceCrise Draise31A。normal BavailableCfamiliar Dcomfortable32A。feeds BincreasesCsupplies Dhelps33A。use BstayCkeep Dlast34A.control BbornCplan
14、Dreward35A。nature BseaCplanet Dforest第三部分.阅读理解（每小题 2 分，共 40 分）阅读下面的短文,从每题所给的四个选项（A、B、C、D）中，选出最佳选项。A1970 was“World Conservation Year”。The Moduleed Nations wanted everyone to know that theworld is in danger。They hoped that government would act quickly in order to conserve nature.Here is one example of
15、 the problem.At one time there were，1,300 different plants,trees andflowers in Holland，but now only 860 remain。The others have been destroyed by modern manand his technology.We are changing the earth,the air and water,and everything that grows andlives。We cant live without these things.If we continu
16、e like this,we shall destory ourselves.What will happen in the future？Perhaps it is more important to ask，“What must we donow？”The people who will be living in the world of tomorrow are the young of today.A lot ofthem know that conservation is necessary.Many are helping to save our world.They plant
17、trees inforests，build bridges across rivers,and so on.In a small town in the Moduleed States a largegroup of girls cleaned the banks of eleven kilometers of their river。Young people may hear aboutconservation through a record called NO ONES GOING TO CHANGE OUR WORLD。It wasmade by the Seattles,Cliff
18、Richard and other singers.The money from it will help to conservewild animals。36There are fewer plants,trees and flowers in Holland now because _。AHolland does not need so many plants,trees or flowersBmany plants，trees and flowers dont grow there any moreCsome of them are uselessDthey are polluted37
19、We shall destroy ourselves if we dont_。Ago on cutting the plantsBbuild bridges across riversCtry our best to save the worldDconserve wild animals38NO ONES GOING TO CHANGE OUR WORLD was_.Aan important book published in 1970Ba talk given by an official from the United NationsCa record calling on peopl
20、e to conserve natureDa film made to protect nature39What is the most important thing for us to do to save our world？AWe should join the singers to collect money。BWe should stop hunting wild animals.CWe should know what would happen in the future.DWe should know what we should do and begin to do it n
21、ow。BScientists have recently discovered that animals that live in groups,such as elephants，foxes,andwolves，are more likely to follow rules.If they dont,and each does its own thing,the group willprobably break apart.Group members would be forced to live alone，and would have a hardertime hunting and r
22、aising their young。Thats probably why a traveling wolf pack was seenstopping and waiting for its limping(跛行的)leader to catch up.Similar social ties are believed tobe responsible for a captive elephant saving her friend from drowing.Sometimes，though,animals try their best to do whats right，even when
23、theres nothing in it forthem。Nobody knows exactly why.“It might simply feel good to be kind,just as it does forhumans,”says Bekoff。If your friend wasnt nice to you,what would you do？Maybe youwould just walk away。Thats exactly what a wild red fox did when she was playing boxing withanother fox.Toby w
24、as a generous cat.For ten years,the kind kitty shared his food with a spaniel（长耳狗）named Katie.After supper,owner Linda Gustafson always divided up the table scraps。Sheddrop some in Katies bowl on the floor and some in Tobys dish on the kitchen counter.Gustafsonkept the cats dish up high to keep Kati
25、e from stealing Tobys treats。As it turned out，Katiedidnt need to steal；she only had to beg。Every night,the spaniel ate her food in a few seconds.Then shes sit and stare at the cat and every night。Toby would be nice。Using his paw,hed flickseveral pieces of tasty food down to the waiting pup。Apparetnl
26、y Katie appreciated it，becausewhenever she was curled up in her beanbag bed and the cat walked over，she would give up hernice,warm spot。“Toby would then lie down in center of the beanbag，”says Gustafson，“andKatie would lie on the floor.”40The reason why some animals prefer to live in groups lies in
27、that _。Athey have to follow natural rulesBthey are afraid of staying aloneCthey cannot find food by themselvesDliving alone would make their lives harder41According to Bekoff，animals try their best to do whats right because _。Ait feels good to be kindBanimals are friendly by natureCthey have learned
28、 to do so for a long timeDthey want their owners to like them42It can be inferred from the last paragraph that _。ALinda always lets the animals eat togetherBKatie sometimes gets her food by stealingCToby is generous but Katie isntDKatie and Toby help each otherCFar from the land of Antarctica(南极洲),a
29、 huge shelf of ice meets the ocean.At the underside ofthe shelf there lives a small fish,the Antarctic cod。For forty years scientists have been curious about that fish.How does it live where most fishwould freeze to death?It must have some secret。The Antarctic is not a comfortable place towork and r
30、esearch has been slow.Now it seems we have an answer。Research was begun by cutting holes in the ice and catching the fish.Scientists studied the fishsblood and measured its freezing point。The fish were taken from seawater that had a temperature of1。88and many tiny pieces of icefloating in it。The blo
31、od of the fish did not begin to freeze until its temperature was lowered to2。05.That small difference is enough for the fish to live at the freezing temperature of the ice-salt mixture。The scientists next research job was clear：Find out what in the fishs blood kept it from freezing.Their search led
32、to some really strange thing made up of a protein（蛋白质）never before seen inthe blood of a fish。When it was removed,the blood froze at seawater temperature。When it wasput back,the blood again had its antifreeze quality and a lowered freezing point。X Kb 1.C o mStudy showed that it is an unusual kind of
33、 protein.It has many small sugar molecules(分子)heldin special positions within each big protein molecule.Because of its sugar content，it is calleda glycoprotein。So it has come to be called the antifreeze fish glycoprotein,or AFGP.43What is the text mainly about？AThe terrible conditions in the Antarct
34、ic.BA special fish living in freezing waters。CThe ice shelf around Antarctica。DProtection of the Antarctic cod.44Why can the Antarctic cod live at the freezing temperature？AThe seawater has a temperature of1。88.BIt loves to live in the icesalt mixture。CA special protein keeps it from freezing。DIts b
35、lood has a temperature lower than2.05.45What does the underlined word“it in Paragraph 5 refer to？AA type of icesalt mixture。BA newly found proteinCFish blood.DSugar molecule.46What does“glyco”in the underlined word“glycoprotein”in the last paragraph mean?Asugar BiceCblood DmoleculeDAnimal Conservati
36、onMany animal and plant species have become extinct and many more are in critical danger。Finding ways to protect the earths wildlife and conserve the natural world they inhabit(居住）isnow more important than ever。DodosThe dodo is a classic example of how human caused damage to the earths biology.The f
37、lightlessdodo was native to the Island of Mauritius in the Indian Ocean。It lived off fruit fallen from theislands trees and lived unthreatened until humans arrived in 1505.The easily controlled birdbecame a source of food for sailors and was attacked by animals introduced to the island byhumans such
38、 as pigs，monkeys and rats。The population of dodos rapidly decreased and last onewas killed in 1681.RhinosThe rhino（犀牛）horn is a highly prized item for Asian medicine.This has led to the animalbeing hunted in its natural habitat。Once widespread in Africa and Eurasia，most rhinos now livein protected n
39、atural parks and reserves.Their numbers have rapidly decreased in the last 50 years,and the animals remain under constant threat from poachers（偷猎者）The Giant PandasThe future of the World Wildlife Funds symbol is far from certain。As few as 1000 remain in theworld.The Chinese government has set up 33
40、panda reserves to protect these beautiful animals and madepoaching them punishable with 20 years in prison.However，The pandas distinct black andwhite patched coat fetches a high price on the black market and determined poachers still pose（造成)one of the most serious threats to the animals continued e
41、xistence.WhalesThe International Whaling Commission is fighting to ensure the survival of the whale species.Despite the fact that onethird the worlds oceans have been declared whale sancturaies(保护区)，7 out of 13 whale species remain endangered.Hunted for their rich supply of oil,their numbershave dec
42、reased to just 300。Collisions with ships,poisonous pollution and being caught in fishingnets are other major causes of whale deaths.TigersThe last 100 years has seen a 95 reduction in the numbers of remning tigers to between 5000and 7000 and the Bali，Javan，and Caspian tiger are already extinct.The S
43、outh China tiger isprecariously close to disappearing,with only 20 to 30 still alive.Like the rhino horn，tigersbones and organs are sought after for traditional Chinese medicines。These items are tradedillegally along with tiger skins.47It implies that _。Athe dodo lacked the ability to protect itself
44、 from other animals。BSailors to the Island of Mauritius lived mainly on the dodoCThe dodo used to be a strong animal that liked fightingDThe dodo，pigs，monkeys and rats were the natives to the Island ofMauritius48Which group of the following animals has already ceased to exist according to the text?A
45、The dodo，rhino and giant panda。BThe rhino,whale and South China tiger.CThe rhino,panda，whale and tiger。DThe dodo and the Bali，Javan，and Caspian tiger.49_ can serve as a cure for certain diseases。AThe whales rich oilBThe pandas black and white patched coatCThe rhino horn and tigers bones and organsDT
46、he dodos delicious meat50Which of the following statement is NOT true?AThe number of South China tigers has reached crisis point.BMany animals are threatened with extinction as a result of human activity.CPeople hunt for the endangered animals for high profit.DThe whale is the representing mark for
47、the World Wildlife Fund。51Which of the following is mentioned in all the descriptions of those wild animals?Athe way of their lifeBthe reason for their extinction or being in dangerCwhy they are huntedDpunishment for hunting wild animalsEThat summer an army of crickets(蟋蟀）started a war with my fathe
48、r.Dad didnt care for insectsmuch more than Mamma，but he could tolerate a few living in the basement。Mamma was a citygirl and she said a cricket was just too noisy。Then to prove her point she wouldnt go to bed.She drank coffee and smoked my fatherscigarettes and paced between the sofa and the TV。Next
49、 morning she threatened to pack up andleave，so Dad drove to the store and hurried back.He sprayed poison from a jug。When he wasfinished he told us that was the end of it.For a couple of weeks we went back to find dead crickets in the laundry。He suggested that wedall be better off to hide as many as
50、we could from Mamma.I fed a few doezen to the cat who Ididnt like because it scratched for no reason.However,soon live crickets started showing up in the kitchen and bathroom.Mamma was upsetbecause she thought the dead crickets came back，but Dad said these were certainly enw ones.Hefetched his jug o