1、Unit 2Growing pains时间：30分钟.单项填空1The enemy had no choice but _ their arms and _.Alie down，give in Blay down，give in Cto lay down，give in Dto lie down，to give in答案Chave no choice but后接带to的不定式，且and与不定式之间存在并列关系。lay down ones arms是“放下武器”之意。2In order to look after her sick mother，she asked for a months _.
2、Aholiday Bvacation Cleave Drest答案Choliday与vacation指“度假”，而leave指因事(病)而请的假。3_ alone in a dark room，the little girl was so frightened as to cry loudly.ALeaving BLeftCBeing left DTo be left答案B此题考查非谓语动词。由于leave与句子主语the little girl是被动关系，所以应该用过去分词作状语。4Why cant you and Bill go to the movies tonight?We are _
3、 a history test tomorrow.Asupposed to having Bsupposedly to haveCsupposed to have Dsupposedly to having答案C答语意为“我们明天应有历史测验”。be supposed to do为固定词组，意为“理应做”。5I _ go shopping when the telephone rang.Awas about to Bwas just toChad to Dwanted to答案Abe about to do sth相当于be on the point of doing sth/be just
4、going to do sth意为“马上就要做某事”，一般不与时间状语连用；be to do sth指按计划或职责、义务要求必须做某事或即将发生的动作；have to do sth不得不做某事；want to do sth想要做某事。6It is said in Australia there is more land than the government knows _.Ait what to do with Bwhat to do it withCwhat to do with it Dto do that with it答案Cdo with中的do为及物动词，且what置于动词不定式之
5、前。7The teacher stressed again that the students should not _ any important details while retelling the story.Abring out Blet out Cleave out Dmake out答案C考查动词短语辨析。句意为“老师再次强调说，学生在复述这个故事的时候不应遗漏重要的细节”。因此选leave out，表示“遗漏；省略掉”。其他短语的含义：bring out 使显现；let out发出(喊叫)；放出(气味、光等)；make out辨别出。8The children were lef
6、t _ of a neighbour when they were on holiday.Ain charge Bin the chargeCunder charge Dat charge答案Bin the charge of.表示“由掌管；由负责”。9_ youve got a chance，you might as well make full use of it.ANow that BAfterCAlthough DAs soon as 答案A根据题意“既然你得到了一个机会，你还是充分利用它为好”可知，B、C、D三项均不符合题意。10How I wish every family _ a
7、 large house with a beautiful garden!Ahas Bhad Cwill have Dhad had 答案Bwish后接宾语从句，表示现在无法实现的愿望时，从句要用一般过去时。11Schools in the south tend to be better equipped，_ those in the north are relatively poor.Awhile Bsince Cwhen Das 答案A此处while有强调对比的意思。12Many people who had seen the film were afraid to go to the f
8、orest when they remembered the scenes _ people were eaten by the tiger.Ain which Bby whichCwhich Dthat 答案A由四个选项可知应填入定语从句的引导词，先行词是表示地点的scenes，故用in which。13The passenger was tired and walked slowly but he got home _.Aafter all Bat allCabove all Din all答案A句意为“这位旅客很疲劳，走得很慢，但他终究还是到家了”。从句意可知，后句表达的是转折意义。B、
9、C、D三项没有此用法。14The bus driver insisted that he _ at a normal speed and therefore_ for the childs death.Adrive；not answerBwas driving；shouldnt answerCshould drive；shouldnt have answeredDdrove；shouldnt answer答案D句意为“那位公共汽车司机坚持认为他是以正常速度行驶，因此他不应该对那个小孩的死负责”。insist在表示“坚持；坚持说”时，从句应用陈述语气。15Who do you _ we send
10、 to cover the bank robbery?Aknow Bsuppose Cthink Dsuggest答案Ddo you suggest是插入语，只有suggest才要求后面的send是原形。.阅读理解ALOS ANGELESOld people who keep walking a relatively long distance may be less likely to suffer from cognitive(认知的) decline，a new study suggests.“By walking regularly，and maintaining a little b
11、it of moderate physical activity，you can reduce your likelihood of developing Alzheimers disease and spare brain tissue，” Kirk IErickson，the studys lead author，said.Erickson and his colleagues from the University of Pittsburgh began to establish a link between walking and memory in 1989.According to
12、 the report on their study published online Wednesday in Neurology，an official journal of the American Academy of Neurology，researchers tracked the physical activity and cognitive patterns of nearly 300 adults.At the very beginning，all participants，on average 78 years old and about twothirds being w
13、omen，were in good cognitive health.The researchers charted how many blocks each person walked in one week.Nine years later，the participants were given a MRI scan to measure their brain size.All of them were deemed to be“cognitively normal.”But after four more years，test showed a little more than one
14、 third of the participants had developed a mild cognitive impairment or dementia.By correlating cognitive health，brain scans and walking patterns，the research team found that being more physically active appeared to lower the risk of developing cognitive impairment.As to how much walking would help
15、prevent cognitive decline，the researchers suggested that walking about six miles，or 9.6 km，per week appears to protect the brain against shrinking in old age.The researchers said the relationship between walking and gray matter volume appears to apply only to people who regularly walk relatively lon
16、g distances.The more someone walks，the more gray matter tissue the person will have a decade or more down the road in regions of the brain，namely the hippocampus，the inferior frontal gyrus and the supplementary motor area，that are central to cognition.And among the more physically active participant
17、s who had retained more gray matter a decade out，the chances of developing cognitive impairment were cut in half，the study said.【语篇解读】 老年人进行适当、有规律的散步能减少认知能力下降的可能性。1When did the old people tested in the research begin to show difference in cognitive decline?AWhen they were 78 years old.BWhen they wer
18、e 87 years old.CBetween the year 1989 and 1998.DBetween the year 1998 and 2002.答案D细节理解题。从文中第三段可知，实验于1989年开始，在94年之后，测试结果显示实验对象在认知能力上已经存在差异。2What do we know about the gray matter?AThe quantity of it has a decisive influence on the cognitive ability.BIts something in the muscle that develops from physi
19、cal activity.CIts a brain disease that will damage the cognitive ability.DIts some brain matter that can cure brain diseases.答案A细节理解题。从文章最后三段可知，体力运动较积极的人脑部的gray matter较多，可推断gray matter的数量可显示认知能力水平。3Which of the following is closest in meaning to the underlined word “shrinking” in Para.9?Aworrying. B
20、weakening. Cwidening. Dwandering.答案B词义猜测题。根据文意可知，walking可防止脑部萎缩，功能退化，与答案B(weakening)最相近。4What is TRUE about the research?AMen and women differ in the decline of cognition.BThe research subjects were required to walk blocks per week.CThe findings suggest the more walking，the better health.DThere were
21、 about 200 women involved in the research.答案D正误判断题。从文中第四、五段可知，测试对象约300人，其中约2/3为女性。BIsraeli researchers say they have developed a substance that attracts and kills the mosquitoes infected with the malaria parasite(疟原虫)However，the sweetsmelling substance is said to be harmless to people and animals，Sc
22、ientists at Hebrew University in Jerusalem developed the sugary bait by combining fruit juice oils and boric acid(硼酸)The fruit juice oils get the attention of the mosquitoes，and the boric acid kills the insects when they eat it.The scientists took the sweet boric acid bait to the West African nation
23、 of Mali.They sprayed(喷洒) it on the plants near the manmade ponds which are home to “Anopheles Gambiae”，the mosquitoes that carry the most deadly form of malaria(疟疾)The researchers also placed a sweetsmelling spray on the grasses near other ponds.But it contained no boric acid.Both of the substances
24、 also contained a substance that would mark any mosquito that came in contact with the bait.In this way the scientists could count the mosquitoes that fed on it.Yosef Schlein，an expert on the insects that affect human health，led the sweet bait research.He says thirtyeight days of results show the sw
25、eet boric acid bait proved very effective in killing mosquitoes.At the ponds treated only with sweetsmelling bait，Professor Schlein says，more than seventyfive percent of mosquitoes fed on the false bait.He says most people do not know that female mosquitoes feed on sweet plant nectar to survive.The
26、Israeli researchers now hope to develop a bait that is even more desirable to the malaria mosquitoes.Boric acid is generally safe for human beings and other mammals.Professor Schlein says scientists might be able to develop a mosquito bait for enclosed spaces.Boric acid has been used to kill other i
27、nsects，including cockroaches，termites and ants inside homes since the middle of last century.【语篇解读】 科学家们发现一种新的、对人类无害的、可以杀死疟蚊的方法。5Which of the following is TRUE about the sweetsmelling substance?AIt is said to be harmless to people but harmful to animals.BIt attracts the mosquitoes but fails to kill
28、them most of the time.CIt is actually created by Professor Schlein.DIt is a mixture of fruit juice oils and boric acid.答案D细节理解题。根据文章第一段可知答案为D。6What does the underlined word “it” in Paragraph 2 refer to?AA sweetsmelling spray.BThe fruit juice oil.CA sweetsmelling spray with boric acid.DThe sweet bori
29、c acid bait.答案A词义指代题。根据文章第二段中The researchers also placed a sweetsmelling spray on the grasses near other ponds.But it contained no boric acid可知答案为A。7What do we know about Yosef Schlein?AHe offered help to the researchers in the sweet bait research.BHe is an expert on the substances that affect human
30、 health.CHe thinks the sweet boric acid bait kills the malaria mosquitoes very effectively.DHe thinks most people know female mosquitoes feed on sweet plant nectar to survive.答案C细节理解题。根据文章第三段可知答案为C。8We can infer from the text that _.Athere will be fewer and fewer mosquitoes in Mali.Bthe new mosquito
31、 killer has been widely used in Africa.Cmalaria will become the most dangerous disease in the poorest areas of Africa.Dthe Israeli researchers want to develop a substance more attractive to the mosquitoes.答案D推理判断题。根据文章倒数第二段The Israeli researchers now hope to develop a bait that is even more desirable to the malaria mosquitoes可知答案为D。
