理^工类单选集考试卷模拟考试题_5

1、姓名：_ 班级：_ 学号：_-密-封 -线- 标签:标题考试时间：120分钟 考试总分：100分题号一二三四五总分分数遵守考场纪律，维护知识尊严，杜绝违纪行为，确保考试结果公正。1、*html*下面有3篇短文，每篇短文后有5道题。请根据短文内容，为每题确定1个最佳选项。b第一篇/bthe best way to reduce yourweight? ?you hear this: “no wonder you are fat. allyou ever do is eat. “ you feel sad: “i skip my breakfast and supper. i run everym

2、orning and evening. what else can i do?” basically you can do nothing. yourgenes, not your life habits, determine your weight and your body constantlytries to maintain it.? ?albert stunkard of the university ofpennsylvania found from experiments that, “80 percent of the children of twoobese parents

3、become obese, as compared with no more than 14 percent of theoffspring of two parents of normal weight. “? ?how can obesepeople become normal or even thin through dieting? well, dieting can beeffective, but the health costs are tremendous. jules hirsch, a researchphysician at rockefeller university,

4、 did a study of eight fat people. they weregiven a liquid formula providing 600 calories (卡路里) a day. after more than 10weeks, the subjects lost 45 kg on average. but after leaving the hospital, theyall regained. the results were surprising: by metabolic measurement, fat peoplewho lost large amounts

5、 of weight seemed like they were starving. they hadpsychiatric problems. they dreamed of food or breaking their diet. they wereanxious and depressed (沮丧的) ; some were suicidal. they hid food in their rooms.researchers warn that it is possible that weight reduction doesnt result innormal weight, but

6、in an abnormal state resembling (类似) that of starvednon-obese people.? ?thin people, however, suffer from theopposite: they have to make a great effort to gain weight. ethan sims, of theuniversity of vermont, got prisoners to volunteer to gain weight. in four to sixmonths, they ate as much as they c

7、ould. they succeeded in increasing theirweight by 20 to 25 percent. but months after the study ended, they were back tonormal weight and stayed there.? ?this did not mean that peopleare completely without hope in controlling their weight. it means that those whotend to be fat will have to constantly

8、 battle their genetic inheritance if theywant to significantly lower their weight.? ?the findings alsoprovide evidence for something scientists thought was true - each person has acomfortable weight range. the range might be as much as 9 kg. someone mightweigh 60-69 kg without too much effort but go

9、ing above of below the naturalweight range is difficult. the body resists by feeling hungry or full andchanging the metabolism to push the weight back to the range itseeks.what determines your weight? （ ）a.your working manner.b.your eating habit.c.your life style.d.your genes.2、*html*下面有3篇短文，每篇短文后有5

10、道题。请根据短文内容，为每题确定1个最佳选项。b第一篇/bthe best way to reduce yourweight? ?you hear this: “no wonder you are fat. allyou ever do is eat. “ you feel sad: “i skip my breakfast and supper. i run everymorning and evening. what else can i do?” basically you can do nothing. yourgenes, not your life habits, determin

11、e your weight and your body constantlytries to maintain it.? ?albert stunkard of the university ofpennsylvania found from experiments that, “80 percent of the children of twoobese parents become obese, as compared with no more than 14 percent of theoffspring of two parents of normal weight. “? ?how

12、can obesepeople become normal or even thin through dieting? well, dieting can beeffective, but the health costs are tremendous. jules hirsch, a researchphysician at rockefeller university, did a study of eight fat people. they weregiven a liquid formula providing 600 calories (卡路里) a day. after more

13、 than 10weeks, the subjects lost 45 kg on average. but after leaving the hospital, theyall regained. the results were surprising: by metabolic measurement, fat peoplewho lost large amounts of weight seemed like they were starving. they hadpsychiatric problems. they dreamed of food or breaking their

14、diet. they wereanxious and depressed (沮丧的) ; some were suicidal. they hid food in their rooms.researchers warn that it is possible that weight reduction doesnt result innormal weight, but in an abnormal state resembling (类似) that of starvednon-obese people.? ?thin people, however, suffer from theopp

15、osite: they have to make a great effort to gain weight. ethan sims, of theuniversity of vermont, got prisoners to volunteer to gain weight. in four to sixmonths, they ate as much as they could. they succeeded in increasing theirweight by 20 to 25 percent. but months after the study ended, they were

16、back tonormal weight and stayed there.? ?this did not mean that peopleare completely without hope in controlling their weight. it means that those whotend to be fat will have to constantly battle their genetic inheritance if theywant to significantly lower their weight.? ?the findings alsoprovide ev

17、idence for something scientists thought was true - each person has acomfortable weight range. the range might be as much as 9 kg. someone mightweigh 60-69 kg without too much effort but going above of below the naturalweight range is difficult. the body resists by feeling hungry or full andchanging

18、the metabolism to push the weight back to the range itseeks.what did jules hirsch do in his study? （ ）a.he let the eight fat people skip supper.b.he let the eight fat people skip breakfast.c.he let the eight fat people run every morning and evening.d.he gave the eight fat people a liquid formula pro

19、viding 600 calories a day.3、*html*下面有3篇短文，每篇短文后有5道题。请根据短文内容，为每题确定1个最佳选项。b第一篇/bthe best way to reduce yourweight? ?you hear this: “no wonder you are fat. allyou ever do is eat. “ you feel sad: “i skip my breakfast and supper. i run everymorning and evening. what else can i do?” basically you can do n

20、othing. yourgenes, not your life habits, determine your weight and your body constantlytries to maintain it.? ?albert stunkard of the university ofpennsylvania found from experiments that, “80 percent of the children of twoobese parents become obese, as compared with no more than 14 percent of theof

21、fspring of two parents of normal weight. “? ?how can obesepeople become normal or even thin through dieting? well, dieting can beeffective, but the health costs are tremendous. jules hirsch, a researchphysician at rockefeller university, did a study of eight fat people. they weregiven a liquid formu

22、la providing 600 calories (卡路里) a day. after more than 10weeks, the subjects lost 45 kg on average. but after leaving the hospital, theyall regained. the results were surprising: by metabolic measurement, fat peoplewho lost large amounts of weight seemed like they were starving. they hadpsychiatric

23、problems. they dreamed of food or breaking their diet. they wereanxious and depressed (沮丧的) ; some were suicidal. they hid food in their rooms.researchers warn that it is possible that weight reduction doesnt result innormal weight, but in an abnormal state resembling (类似) that of starvednon-obese p

24、eople.? ?thin people, however, suffer from theopposite: they have to make a great effort to gain weight. ethan sims, of theuniversity of vermont, got prisoners to volunteer to gain weight. in four to sixmonths, they ate as much as they could. they succeeded in increasing theirweight by 20 to 25 perc

25、ent. but months after the study ended, they were back tonormal weight and stayed there.? ?this did not mean that peopleare completely without hope in controlling their weight. it means that those whotend to be fat will have to constantly battle their genetic inheritance if theywant to significantly

26、lower their weight.? ?the findings alsoprovide evidence for something scientists thought was true - each person has acomfortable weight range. the range might be as much as 9 kg. someone mightweigh 60-69 kg without too much effort but going above of below the naturalweight range is difficult. the bo

27、dy resists by feeling hungry or full andchanging the metabolism to push the weight back to the range itseeks.what happened to the eight fat people after they left the hospital? （ ）a.they went mad.b.they killed themselves.c.they were back to normal weight.d.they attempted suicide4、*html*下面有3篇短文，每篇短文后

28、有5道题。请根据短文内容，为每题确定1个最佳选项。b第一篇/bthe best way to reduce yourweight? ?you hear this: “no wonder you are fat. allyou ever do is eat. “ you feel sad: “i skip my breakfast and supper. i run everymorning and evening. what else can i do?” basically you can do nothing. yourgenes, not your life habits, determ

29、ine your weight and your body constantlytries to maintain it.? ?albert stunkard of the university ofpennsylvania found from experiments that, “80 percent of the children of twoobese parents become obese, as compared with no more than 14 percent of theoffspring of two parents of normal weight. “? ?ho

30、w can obesepeople become normal or even thin through dieting? well, dieting can beeffective, but the health costs are tremendous. jules hirsch, a researchphysician at rockefeller university, did a study of eight fat people. they weregiven a liquid formula providing 600 calories (卡路里) a day. after mo

31、re than 10weeks, the subjects lost 45 kg on average. but after leaving the hospital, theyall regained. the results were surprising: by metabolic measurement, fat peoplewho lost large amounts of weight seemed like they were starving. they hadpsychiatric problems. they dreamed of food or breaking thei

32、r diet. they wereanxious and depressed (沮丧的) ; some were suicidal. they hid food in their rooms.researchers warn that it is possible that weight reduction doesnt result innormal weight, but in an abnormal state resembling (类似) that of starvednon-obese people.? ?thin people, however, suffer from theo

33、pposite: they have to make a great effort to gain weight. ethan sims, of theuniversity of vermont, got prisoners to volunteer to gain weight. in four to sixmonths, they ate as much as they could. they succeeded in increasing theirweight by 20 to 25 percent. but months after the study ended, they wer

34、e back tonormal weight and stayed there.? ?this did not mean that peopleare completely without hope in controlling their weight. it means that those whotend to be fat will have to constantly battle their genetic inheritance if theywant to significantly lower their weight.? ?the findings alsoprovide

35、evidence for something scientists thought was true - each person has acomfortable weight range. the range might be as much as 9 kg. someone mightweigh 60-69 kg without too much effort but going above of below the naturalweight range is difficult. the body resists by feeling hungry or full andchangin

36、g the metabolism to push the weight back to the range itseeks.what did ethan sims make his subjects do? （ ）a.battle their genetic inheritance.b.increase their weight.c.stay at home.d.lower their weight.5、*html*下面有3篇短文，每篇短文后有5道题。请根据短文内容，为每题确定1个最佳选项。b第一篇/bthe best way to reduce yourweight? ?you hear t

37、his: “no wonder you are fat. allyou ever do is eat. “ you feel sad: “i skip my breakfast and supper. i run everymorning and evening. what else can i do?” basically you can do nothing. yourgenes, not your life habits, determine your weight and your body constantlytries to maintain it.? ?albert stunka

38、rd of the university ofpennsylvania found from experiments that, “80 percent of the children of twoobese parents become obese, as compared with no more than 14 percent of theoffspring of two parents of normal weight. “? ?how can obesepeople become normal or even thin through dieting? well, dieting c

39、an beeffective, but the health costs are tremendous. jules hirsch, a researchphysician at rockefeller university, did a study of eight fat people. they weregiven a liquid formula providing 600 calories (卡路里) a day. after more than 10weeks, the subjects lost 45 kg on average. but after leaving the ho

40、spital, theyall regained. the results were surprising: by metabolic measurement, fat peoplewho lost large amounts of weight seemed like they were starving. they hadpsychiatric problems. they dreamed of food or breaking their diet. they wereanxious and depressed (沮丧的) ; some were suicidal. they hid f

41、ood in their rooms.researchers warn that it is possible that weight reduction doesnt result innormal weight, but in an abnormal state resembling (类似) that of starvednon-obese people.? ?thin people, however, suffer from theopposite: they have to make a great effort to gain weight. ethan sims, of theu

42、niversity of vermont, got prisoners to volunteer to gain weight. in four to sixmonths, they ate as much as they could. they succeeded in increasing theirweight by 20 to 25 percent. but months after the study ended, they were back tonormal weight and stayed there.? ?this did not mean that peopleare c

43、ompletely without hope in controlling their weight. it means that those whotend to be fat will have to constantly battle their genetic inheritance if theywant to significantly lower their weight.? ?the findings alsoprovide evidence for something scientists thought was true - each person has acomfort

44、able weight range. the range might be as much as 9 kg. someone mightweigh 60-69 kg without too much effort but going above of below the naturalweight range is difficult. the body resists by feeling hungry or full andchanging the metabolism to push the weight back to the range itseeks.what did scient

45、ists think was true? （ ）a.each person has a fixed weight range.b.each person has a weight range of 9 kg.c.each person wants to control his weight.d.each person wants to eat to his hearts content.6、*html*b第二篇/bblack holes trigger starsself-destruction? ?scientists have long understoodthat super massi

46、ve (大块的) black holes weighing. millions or billions of suns cantear apart stars that come too close. the black holes gravity (地心引力) pullsharder on the neatest part of the star, an imbalance that pulls the star apartover a period of minutes or hours, once it gets close enough.?scientists say this une

47、ven pulling is not the only hazard (冒险) facing thestar. the strain of these unbalanced forces can also trigger (触发) a nuclearexplosion powerful enough to destroy the star from within. matthieu brassart andjean-pierre luminet of the observatoire of the paris in meudon, france, carriedout computer sim

48、ulations of the final moments of such an unfortunate starslife, as it veered towards a supermassive black hole.? ?when thestar gets close enough, the uneven forces flatten it into a pancake shape. someprevious studies had suggested this flattening would increase the density andtemperature inside the

49、 star enough to trigger intense nuclear reactions thatwould tear it apart (扯开). but other studies had suggested that the picture wouldhe complicated by shock waves generated during the flattening process and thatnot nuclear explosion should occur.? ?the new simulationsinvestigated the effects of sho

50、ck waves in detail, and fund that even when theireffects are included; the conditions favor a nuclear explosion. “there will bean explosion of the star. it will be completely destroyed,” brassart says.although the explosion obliterates the star, it saves some of the starts matterfrom being devoured

51、by the black hole. the explosion is powerful enough to hurtmuch of the stars matter out of the black holes reach, he says.?the devouring of stars by black holes may already have been observed,although at a much later stage. it is thought that several months after theevent that rips the star apart, i

52、ts matter starts swirling into the hole itself.it heats up as it does so, releasing ultraviolet light and x-rays.?if stars disrupted (使分裂) near black holes really do explode, then theycould in principle allow these events to be detected at a much earlier stage,says jules halpern of columbia universi

53、ty in new york, us. “it may make itpossible to see the disruption of that star immediately if it gets hot enough.”? ?brassart aggress. “perhaps it can be observed in the x-raysand gamma rays, but its something that needs to be more studied , “he says.supernova researcher chris fryer of the los alamo

54、s national laboratory in losalmos, new mexico, us, says the deaths of these stars are difficult to simulate,and he is not sure whether the researchers have proven their case they explodedin the process.something destructive could happen to a star that gets too close to a black hole. which of the fol

55、lowing statements is not mentioned in the passage? （ ）a.the black hole could tear apart the star.b.the black hole could trigger a nuclear explosion in the star.c.the black hole could dwindle its size considerably.d.the black hole could devour the star.7、*html*b第二篇/bblack holes trigger starsself-dest

56、ruction? ?scientists have long understoodthat super massive (大块的) black holes weighing. millions or billions of suns cantear apart stars that come too close. the black holes gravity (地心引力) pullsharder on the neatest part of the star, an imbalance that pulls the star apartover a period of minutes or

57、hours, once it gets close enough.?scientists say this uneven pulling is not the only hazard (冒险) facing thestar. the strain of these unbalanced forces can also trigger (触发) a nuclearexplosion powerful enough to destroy the star from within. matthieu brassart andjean-pierre luminet of the observatoire of the paris in meudon, france, carriedout computer simulations of the final moments of such an unfortunate starslife, as it veered towards a supermassive black hole.? ?when thestar gets close enough, the uneven forces flatten it into a pancake shape.