牛津版中考英语阅读理解实战演练2.pdf

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1、Section III科学小品篇Passage 23Researchers（?F究者）have announced（宣布）the result of two studies on the health effects of thedrug aspirin（6可斯匹林）.One study shows aspirin can sharply reduce the chance that a healthy,olderman will suffer from a heart attack（心 脏病）.The study offered two new results from earlier fi

2、ndings.It said taking one aspirin pill every other dayhelped only healthy men over the age of fifty.It also said aspirin gave the greatest protection againstheart attacks to men with low blood cholesterol“日.固醇）levels.Earlier in the United States began a major aspirin study in the early 1980s.It incl

3、uded 22,000 healthymen doctors.All were between the ages of forty and eighty-four.More than 11,000 of the doctors took aharmless pill that contained no drug.The men did not know which kind of pill they were taking.The doctors who took aspirin suffered 44%fewer heart attacks than those taking the har

4、mless pill.139 men who took aspirin suffered from heart attacks.Ten of them died.239 men who did not takeaspirin suffered from heart attacks.Twenty-six of them died.The researchers said the doctors*study provides clear proof that taking aspirin can prevent a firstheart attack in healthy,older men.Th

5、ey said,however,the result does not mean every man over the ageof fifty should take aspirin.They said aspirin couldnl help men who do not eat healthy foods,who smokecigarettes and who are fat.The researchers said men who think they would be helped by taking aspirinshould talk with their doctors firs

6、t.I.The passage tells us that the new use of aspirin is.A.to treat heart disease B.to reduce pain while one suffers from a heart attackC.to help old people to be more healthy D.to reduce the chance of a heart attack in old men2.Aspirin can help those who.A work as doctors B.are under 40 years oldC.a

7、re fat and smoke cigarettes D.are older and healthy3.At last the researchers advised us to take a s p i r i n.A.with care B.as much as we like C.every day D.only considering the age4.From the experiment we can conclude that about of people who suffered from heart attackswithout aspirin died.A.7%B.11

8、%C.19%D.44%Passage 24It seems to be strange to you there is a blind spot（盲点）on the eyes.Here is an interestingexperiment（实验）that can make something disappear,when one eye is open.Make a card about the size of a postcard and write two English letters L and R on it,L on the left andR on the right.Firs

9、t,hold the card about 80 cm away and you see both the letters.Then close your righteye and look at the letter R only with your left eye.And now,as you move the card slowly towards you,youll find the letter L disappearing.But if you move the card nearer to your face,the letter will be seenagain.Now d

10、o the same experiment with your left eye closed,youll find the letter R disappearing.Why does the letter disappear?It is because there is a blind spot on the eye.When the image（影像）of the letter falls on the blind spot,it wont be seen.That is why either of the letters disappears.I.The writer of the p

11、assage thinks that there is a blind spot on the eye.A.few people know B.no one knows C.most people know D.all the people know2.The word“disappear in the passage means in Chinese.A.驱 散B.消 散C.消 失D.遗失3.You fail to see the letter L in the experiment because.A.your eyes are poor B.its image falls on the

12、blind spotD.your left eye is not open C.you move it close to your eye4.In which order（顺序）should you do the experiment?Hold the card Move the card nearer Close your right eyeWrite two English letters Look at the letter R Make a cardA.B.C.D.5.The passage mainly（主要）tells us.A.how to find the blind spot

13、 B.an interesting experimentC.where the blind spot is D.there is blind spot on the eyePassage 25Different weather makes people feel different.It influences（影响）health,intelligence（智力）andfeelings.In August,it is very hot and wet in the southern part of the United States.People there have hearttrouble

14、and other kinds of health problems during this month.In the Northeast and the Middle West,it isvery hot at some times and every cold at other times.People in these states have more heart troubleafter the weather changes in February or March.The weather can also influence intelligence.For example,in

15、a 1983 report by scientists,IQ（智商）ofa group students were very high when a very strong wind came,but after the strong wind,their IQ was10%below.The wind can help people have more intelligence.Very hot weather,on the other hand（另一方面），can make it lower.Students in many schools of the United States oft

16、en get worse on exams in thehot months of the year（July and August）.Weather also has a strong influence on peoples feelings.Winter may be a bad time for thin people.They usually feel cold during these months.They might feel unhappy during cold weather.But fat peoplemay have a hard time in hot summer

17、.At about 18C,people become stronger.Low air pressure（气压）may make people forgetful.People leave more bags on buses and in shopson low-pressure days.There are a“good weather”for word and health.People feel best at a temperatureof about 18 centigrade（摄氏度）.Are you feeling sad,tired,forgetful,or unhappy

18、 today?It may be the weathers problem.1._ can have a bad effect（作用）on health.A.Hot and wet weather B.Good weather C.Warm weather D.High intelligence2.People may have more intelligence when comes.A.a rain B.very hot weather C.a strong wind D.low air pressure3.Low air pressure may make p e o p l e.A.f

19、orgetful B.sad C.angry D.tired4.ln good weather of 18 c e n t ig r a d e,.A.people are very forgetful B.people cant do their work wellC.thin people feel cold D.people are in better health5.The writer wants to tell us t hat.A.hot and cold weather influences all people in the same wayB.weather influen

20、ces peoples lives C.IQ never changes during weather changesD.There is a good kind of weather for peoples work and healthPassage 26Now satellites are helping to forecast（预报）the weather.They are in space,and they can reach anypart of the world.The satellites take pictures of the atmosphere（大气），because

21、 this is where the weatherforms（形成）.They send these pictures to the weather stations.So meteorologists（气象学家）can see theweather of any part of the world.From the pictures,the scientists can often say how the weather willchange.Today,nearly five hundred weather stations in sixty countries receive sate

22、llite pictures.When theyreceive new pictures,the meteorologists compare them with earlier ones.Perhaps they may find that theclouds have changed during the last few hours.This may mean that the weather on the ground may soonchange,too.In their next weather forecast,the meteorologists can say this.So

23、 the weather satellites are a great help to the meteorologists.Before satellites were invented,thescientists could forecast the weather for about 24or 48 hours.Now they can make good forecasts forthree or five days.Soon,perhaps,they may be able to forecast the weather for a week or more ahead（提前）.1

24、.Satellites t ravel.A.in space B.above space C.above the ground D.in the atmosphere2.Why do we use the weather satellites to take pictures of the atmosphere?B e c a u s e.A.clouds form there B.the weather forms thereC.the weather satellites can do it easily D.the pictures can forecast the weather3.M

25、eteorologists forecast the we a t h e r.A.without studying satellite pictures B.before they receive satellite picturesC.when they have received satellite picturesD.after they have compared the new satellite pictures with the earlier ones4.Maybe well soon be able to forecast the weather for.A.one day

26、 B.two days C.five days D.seven days or even longer5.The main idea of this passage is that satellites are now used in.A.taking pictures of the earth B.receiving pictures of the atmosphereC.weather forecasting D.doing other work in many waysPassage 27Paragraph 1Scientists have learned a lot about the

27、 kinds of people need.They say that there are several kinds offood that people should eat every day,they are:（1）green and yellow vegetables of all kinds;（2）citrus（柑桔）fruits and tomatoes;（3）potatoes and other fruits and vegetables;94）meat of all kinds,fish and eggs;（5）milk and foods made from milk;（6

28、）bread or cereal（谷类），hce is also in this kind of food;（7）butter,orsomething like butter.Paragraph 2People in different countries and different places of the world eat different kinds of things.Foods arecooked and eaten in many different kinds of ways.People in different countries eat at different ti

29、mes ofthe day.In some places people eat once or twice a day;in other countries people eat three or four timesa day.Scientists say that none of the differences is really important.It doesnt matter whether foods areeaten raw or cooked,canned（罐装的）or frozen（冷冻的）.It doesnt matter if a person eats dinner

30、at 4oclock in the afternoon or at eleven oclock at night.The important thing is what you eat every day.Paragraph 3There are two problems,then,in feeding the large number of people on the earth.The first is to findsome way to feed the worlds population so that no one is hungry.The second is to make s

31、ure thatpeople everywhere have the right kinds of food to make them grow to be strong and healthy.1 .According to（依据）the scientists,which of the following groups of food is the healthiest for yourlunch?A.Chicken,apples,cereal and cabbages.B.Potatoes,carrots,rice and bread.C.Oranges,bananas,fish and

32、tomatoes.D.Beef,pork,fish and milk,2.It is important for people to eat.A.three times a day B.dinner at twelve oclockC.cooked food all the time D.something from each of the seven kinds of food every day3.People in different countries and different places of the world_.A.have the right kinds of food t

33、o eat B.cook their food in the same wayC.have their meals at the same time D.eat food in different ways4.Which of the following is not true?A.People in some places dont have enough to eat.B.There are too many people in the world.C.One of the problems is that no one is hungry.D.The scientists are try

34、ing to make people grow to be strong and healthy.5.If there is Paragraph（段落）4,what do you think is going to be talked about?A.When people eat their lunch.B.What to do with the two problems.C.How to cook food in different ways.D.Why people eat different kinds of food.Passage 28What do Napoleon,Clinto

35、n and Wang Nan have in common?They are all left-handed.Today,about 15%of the number of people is left-handed.But why are people left-handed?Theanswer is the way the brain（大脑）works.The brain has two halves-the right half controls the left sideof the body,and the left controls the right side of the bo

36、dy.So right-handed people have a strongleft-brain and left-handed people have a strong right brain.The two halves of he brain are about the same size.But each side controls different things.The leftside controls language,math and logical（逻辑的）.When you remember new words,or when you putthings in orde

37、r,you use your left side.The right side of the brain controls your love of art,colors and music.It is also good at recognizing（识别）faces.This does not mean that all artists are left-handed and all accountants（会t l）are right-handed.Some right-handers have a strong right brain,and some left-handers hav

38、e a strong left-brain.I.The phrase“in common*in the first sentence me a n s.A.the same B.different C.strange D.interesting2.People who are right-handed or left-handed are mostly decided by.A.their parents B.their minds C.the way the brain works D.the way the head works3.Each side of the br ai n.A.li

39、kes music and math B.controls different things C.controls the same thing D.has two halves4.When you are singing,you are using your.A.logic thinking B.heart C.left brain D.right brainPassage 29Before you use your new micro wave oven,read the instructions carefully.Each oven has its owncontrol panel（控

40、制板），but most microwave ovens operate in a similar way.Look at the control panelshown here.It shows the time at the top of the panel.Under the time are the different functions（功能）.Youcan press（按）Defrost,Cook,Clock,or Power.You can also warm food by pressing Reheat Times.Under the functions are the nu

41、mbers.These numbers are shown as on telephone,from zero throughnine.You can press the numbers to set the cooking time in seconds or minutes.Under the numbers areStart and Clear.A microwave oven will automatically（自动的）cook on HIGH（power level 10）unless you enter alower power level.Suppose（假设）you want

42、 to cook a serving of broccoli for two minutes and forty-fiveseconds on MEDIUM power（level 5）.First,press the numbers 2,4 and 5（two minutes,forty-fiveseconds）.Then press Power.Next,press the number 5.At last,press Start to begin cooking.If you makea mistake,press Clear.This will clear the display an

43、d allow you to start over again.阅读短文，然后根据其内容回答卜.列问题。I.What is the main idea of the passage?2.What functions does a microwave oven have?3.How would you cook green beans for two minutes and thirty seconds atpower level 7?4.What is the last function you press each time you set the controls?5.What does“

44、Clear”allow you to do when you press it?Passage 30No one knows why we sleep,but ifs certain that we need to.People who are prevented fromsleeping begin to suffer obvious effects after a few daysthey think less clearly,and they fall asleepduring the working hours.There are no rules about sleep.Genera

45、lly speaking,grown-ups sleep about 7 and a half hours eachnight and probably more than 60 percent get between seven and eight hours.But perhaps eight percentare quite happy with 5 hours or less,and four percent or so find that they want ten hours or more.If youfeel all right,youre probably getting e

46、nough sleep.The important thing is not to worry how much otherpeople gettheir needs may be different.Exercise doesnt seem to increase the need for sleep-officeworkers,for example,sleep for about as long as people doing physically active work.Children sleep more than grown-ups-perhaps 14 to 18 hours

47、soon after birth,going down togrown-up levels by early teenage（青少年）.Sleep patterns also tend（倾向）to be different in the oldpeople,who may sleep less at night than they did when younger,find sleep getting more broken,andoften make it a rule to sleep during the daytime.I .Some people canl think clearly

48、 b e c a u s e.A.they have bad memory B.they feel sleepy during the working hoursC.they dont have enough sleep D.they are certain to be kept from going to bed2.Whether you have got enough sleep is judged（判断）by.A.how many hours you have slept B.how many hours you need to sleepC.if you do exercise and

49、 physical work D.if you feel fresh energetic3.According to the passage,a boy of 14 years old s l e e p s.A.as long hours as a grown-up B.much longer hours than a grown-upC.for 14 hours each night D.for less than 8 hours each night4.Which of the following is True?A.All grown-ups much have at least ei

50、ght-hour sleep.B.Most of grown-ups sleep for seven or eight hours.C.Quite a few people need only 5 hours or less for them to sleep.D.No grown-ups sleep more than ten hours.Passage 31Some people want to be sent into space after their death,others want to lie deep under the sea.Butmost people want to