1、高二英语 寒假作业16 命题人：尹玉芝 审核人：宋连连 训练日期：2月 16日6. Number sense is not the ability to count. It is the ability to recognize a in number. Human beings are born with this ability., experiments show that many animals are, too. For example, many birds have good number sense. If a nest has four eggs and you remov
2、e one, the bird will not. However, if you remove two, the birdleaves. This means that the bird knows thebetween two andthree. Another interesting experiment showed a birdsnumber sense. A man was trying to take a photo of a crow(乌鸦)that had a nest in a tower, but the crow always left when she saw him
3、 coming. The bird did notuntil the man left the tower. The man had an.He took another man with him to the tower. One man left and the other stayed, but they did notthe bird. The crow stayed away until the second man left, too. The experiment waswith three men and then with four men. But the crow did
4、 not return to the nest until all the men were.It was not until five men went into the tower and only four left that they wereable to fool the crow. How good is a humans number sense? Its not very good. For example, babies about fourteen months old almost always notice if something is taken away fro
5、m a group. But when the number goes beyond three or four, the childrenarefooled. It seems that number sense is something we have in common with many animals in this world, and that our human is not much better than a crows.【小题1】AriseBpatternCchangeDtrend【小题2】AImportantlyBSurprisinglyC.Disappointedly
6、DFortunately【小题3】AsurviveBcareChatchDnotice【小题4】AgenerallyBsincerelyCcasuallyDdeliberately【小题5】AdistanceBrangeCdifferenceDinterval【小题6】AamazingBannoyingCsatisfyingDdisturbing【小题7】ArelaxBrecoverCreactDreturn【小题8】AappointmentBexcuseCidea Dexplanation【小题9】AfoolBhurtCcatchDkill【小题10】AreportedBrepeatedCd
7、esignedDapproved【小题11】AconfusedBgoneCtiredDdrunk【小题12】AgraduallyBluckilyCstrangelyDfinally【小题13】AsingleBsmallClocalDnew【小题14】AseldomBtemporarilyCmerelyDoften【小题15】AsightBnatureCabilityDbelief语法填空阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空。If the population of the Earth keeps on _1_(increa
8、se) at its present rate，there will _2_(event) not be enough resources left to support life on the planet. By the middle of the 21st century，if present trends continue，we _3_(use) up all the oil that drive our cars, for example. Even if scientists develop new ways of feeding the human race, the crowd
9、ed conditions on Earth will make it _4_(necessity) for us to look for somewhere else. But _5_ of the other planets in our solar system are capable of supporting life at present. One possible solution to the problem，_6_， has recently been suggested by an American scientist, Professor Carl Sagan. Saga
10、rn believes that _7_ the Earths resources are completely _8_(exhaust) ，it will be possible to change the atmosphere of Venus and _9_ create a new world almost as large as Earth itself. Something is difficult. Venus is much hotter than the Earth. _10_， there is only a tiny amount of water there. 世上唯有
11、贫穷可以不劳而获. Nothing is to be got without pain but poverty. 自助者天助. God helps those who help themselves寒假作业16完型 1-5 CBDAC 6-10 ADCAB 11-15 BDBDC语法填空1解析考查短语keep on doing的用法。答案increasing2解析There will not be enough resources结构完整的,所以只能用event的副词形式eventually作状语。答案eventually3解析时间状语是by将来时间，谓语用将来完成时态答案will have
12、used4解析考查句型makeitadj.forsb.to do sth.。答案necessary5解析none of复数名词/不可数名词，表示“中没有一个。”答案none6解析前文说“没办法”，“可能的解决方案”“however”表示转折。答案however7解析这里应该是“在地球的资源完全枯竭之前”，所以用before。答案before8解析是个及物动词，“耗尽，用完”，这里应该用被动语态。答案exhausted9解析这里表示的是结果，因此，so/therefore是最佳措辞。答案so/therefore10解析 除了Venus比地球热得多，另一难题是那里的水有限，所以这里用Besides.答案Besides
