1、Unit 4Wildlife protection.单项填空1Too much smoking and drinking_him greatly，which meant bad living habits had an_on his health.Aaffect；effect Baffected；effectCaffected；effects Daffect；effects解析affect为及物动词“影响”；effect为名词。另外have an effect on为固定搭配，意为“对有影响”，故选B项。答案B2The fact that so many people still smoke
2、in public places_that we may need a nationwide campaign to raise awareness of the risks of smoking.AsuggestBsuggestsCsuggested Dsuggesting解析 考查时态和主谓一致。句意：有许多人依旧在公共场合吸烟，这一事实表明我们也许需要搞一次全国性的活动来提高人们对于吸烟危害性的认识。the fact后跟同位语从句，设空处为主句的谓语动词，故排除D项；由题干中的smoke和may等可知语境指现在的情况，故排除C项。本句主语为the fact，且本句陈述的是一个事实，故谓语
3、动词应采用第三人称单数形式，故选B项。答案 B3They receive a proportion of their_from the sales of goods and services.Aincome Bpay Cwage Dexpense解析income意为“收入”；pay意为“工资，薪水”；wage意为“按日或周所发的工资”；expense意为“花费；消费”。根据句意应选A项。答案A4It seemed that he was _ losing his life.Luckily，he was _ in the end.Ain the danger of；out of dangerBi
4、n danger of；out of dangerCin the danger of；out of the dangerDin danger of；out of the danger解析 句意：他似乎有失去生命的危险，(但)幸运的是，他最终脱离了险境。in danger of有的危险，out of danger脱离危险。答案 B5Special_should be paid to improving your spoken English.Acare Battention Cinterest Dthought解析pay attention to为固定短语，意为“关心；注意”，符合题意。答案B6
5、My sister wants to work in the power plant which_still_.Ais；building Bhas；been builtCis；being built Dis；to be built解析由于两空格间有still，那么只能用进行时态，而power plant只能被建，所以选用被动语态。答案C7There were four or five boxes in the corner of the house_toys and books.Acontaining BcontainCincluding Dinclude解析containing.为现在分词短
6、语作后置定语，相当于which contain.；contain的意义是“包含；含有”，表示某个容器里面所含有的东西。答案A8I would appreciate_if you would just let me deal with this incident.Athat Bthis Cit Done解析动词appreciate作“感激”讲时，其后可接形式宾语it，再接一个if引导的宾语从句，表示“如果(我)将不胜感激”。答案C9All the newspaper reporters hurried to the airport，_ that the pop star didnt turn u
7、p at all.Adisappointing to find Bdisappointed findingCdisappointing finding Ddisappointed to find解析 空格处所缺的词是前面成分的伴随状语，表示the newspaper reporters的一种心理变化，用disappointed；同时构成“(be)adj.to do”句式。答案 D10Chinese people were so excited when they saw Mr Hu_the PLA on the National Day of 2009.Aexamined BcheckedCo
8、bserved Dinspected解析此句中的inspect是“视察；检阅”之意，符合句意。其他选项中，examine表示“检查”；observe表示“观察”；check表示“核查”，都可排除。答案D11We are warned that some species in the world are_unless immediate action is taken.Adying down Bdying backCdying away Ddying out解析句意：我们被警告如果不立即采取措施的话，世界上的很多物种将会灭绝。die out是“灭绝”之意，符合句意。答案D12This speci
9、al school accepts all disabled students，_educational level and background.Aaccording to Bregardless ofCin addition to Din terms of解析考查介词短语的辨析。according to根据；regardless of 不管；不顾；in addition to除之外；in terms of 就而言。答案B13Steps must be taken_this kind of disaster will never happen again.Abecause Beven ifC
10、so that Das解析考查状语从句的连接词。句意：必须采取措施以避免这种灾难不再发生。because因为，引导原因状语从句；even if 即使，引导条件状语从句；as因为；由于，引导原因状语从句。答案C14Why dont we choose that road to save time? The bridge to it_.Ahas repaired Bis repairedCis being repaired Dwill be repaired解析考查动词时态及语态。句意：我们为什么不走那条路以节约时间呢？通往那条路的桥还在修理中。答案C15Could you be so kind
11、as to pass me the cellphone?_.AWith pleasure BA pleasureCYes，please DGo ahead解析 句意：你能把手机递给我吗？很愿意。with pleasure很高兴，很乐意(表示欣然应允，用以回答Could/Would/Will you.？)；a pleasure用以回答Thank you；C、D两项意为：行啊，请吧，表示允许对方去做某事。答案 A.阅读理解What happens inside the skull of a soccer player who repeatedly heads a soccer ball？That
12、question motivated a challenging new study of the brains of experienced players that has caused discussion and debate among soccer players，and some anxiety among those of us with soccerplaying children.For the study，researchers at the Albert Einstein College of Medicine in New York selected 34 adult
13、s，men and women.All of the volunteers had played soccer since childhood and now competed yearround in adult soccer leagues.Each filled out a detailed questionnaire developed especially for this study to determine how many times they had headed a soccer ball in the previous year，as well as whether th
14、ey had experienced any known concussions (脑震荡) in the past.Then the players completed computerized tests of their memory and other learning skills and had their brains scanned，using a complicated new MRI technique which can find structural changes in the brain that cant be seen during most scans.Acc
15、ording to the data they presented at a Radiological Society of North America meeting last month，the researchers found that the players who had headed the ball more than about 1,100 times in the previous 12 months showed significant loss of white matter in parts of their brains involved with memory，a
16、ttention and the processing of visual information，compared with players who had headed the ball fewer times.This pattern of white matter loss is “similar to those seen in traumatic (外伤的) brain injury”，like that after a serious concussion，the researchers reported，even though only one of these players
17、 was reported to have ever experienced a concussion.The players who had headed the ball about 1,100 times or more in the past year were also generally worse at recalling lists of words read to them，forgetting or fumbling the words far more often than players who had headed the ball less.语篇解读：研究表明，经常
18、用头顶球会对大脑的内部构造造成严重影响，进而影响人的记忆力、注意力以及对视觉信息的处理能力。 1The passage is most probably a_.Anews report Bresearch reportCstory for soccer playersDtext for doctors解析推理判断题。根据第二段开头部分中的内容可推知，本文是一篇研究报告。答案B2From the passage we can conclude that frequent heading may have_.Asignificant effect on ones brainBlittle effe
19、ct on ones brainCnothing to do with the brain injuryDones memory improved解析推理判断题。根据第四段中的“the players who had headed the ball more than about 1,100 times in the previous 12 months showed significant loss of white matter in parts of their brains”可推知，频繁地用头顶球对大脑有显著的影响。答案A3What is likely to be the cause
20、of memory loss?APlaying soccer frequently.BTests of their memory.CWhite matter loss.DInformation processing.解析细节理解题。结合第四段中的“loss of white matter in parts of their brains involved with memory”以及下一段的开头部分可知，记忆力的丧失可能与大脑中的白色物质缺失有关。答案C4The underlined word “fumbling” is closest in meaning to_.Aremembering
21、BmisunderstandingCrecalling Dmissing解析词义猜测题。结合画线词前面的“worse at recalling lists of words”和“forgetting”可推知，fumbling与missing的意思最相近。答案D.短文改错假定英语课上老师要求同学们交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，要求你在错误的地方增加、删除或修改某个单词。增加：在缺词处加一个漏词符号()，并在其下面写上该加的词。删除：把多余的词用斜线()划掉。修改：在错的词下划一横线，并在该词下面写上修改后的词。注意：1.每处错误及其修改均仅限一词；2只允许修改
22、10处，多者(从11处起)不计分。A man was driving on the road.Suddenly his car stopped.He got out of the car tried to find out the trouble.“Its the motor.”said the voice behind him.He was surprising and turned around.But he saw only an old horse.“Did you say something？”he asked.“I said you should check yours motor
23、，”the horse replied.The man rushed to the nearer house.With a very excited voice，he told the farmer had happened.The farmer，therefore，showed no sign of excitement.He explained.“He didnt know anything about cars.He can only repeat what I often say.”答案A man was driving on the road.Suddenly his car sto
24、pped.He got out of the car to find out the trouble.“Its the motor.”said voice behind him.He was and turned around.But he saw only an old horse.“Did you say ？”he asked.“I said you should check motor，”the horse replied.The man rushed to the house. a very excited voice，he told the farmerhad happened.The farmer，showed no sign of excitement.He explained，“He know anything about cars.He can only repeat what I often say.”