精英家教网 > 高中英语 > 题目详情
3.Sometime early in the next century,human beings will move to Mars.They will live there for about a year,and then will be replaced with another group of pioneers.Building the base on Mars will advance our knowledge of the solar system and aid in our understanding of the earth.
We already know that Mars resembles the earth in many aspects:general size,presence of water,length of day,range of temperatures.These resemblances have caused many people to consider a centuries-long project:to terraform Mars.Terraforming means  altering a planet's surface so that Earth's life forms can survive there.This concept,previously found only in science fiction is now being seriously considered by scientists.
Terraforming Mars is theoretically simple:add nitrogen and oxygen to the atmosphere; pump water to the surface; and add the earth's plants and animals in the order in which they developed on Earth.But it will take at least 300years.
Some people think that such a project is too huge for humans to undertake,but there are very good reasons to make the attempt.The earth now contains some 6billion people,and no one has any idea of how many humans the earth can support.Our very existence and numbers are threatening many other species.We also have had some experience with terraforming our own planet:altering the landscape,the atmosphere and the climate.Currently terraforming earth has become a wiser activity as we try to control global warming,air and water pollution,and preserve some natural living places.
While the possibility of such a project is small,it is not impossible.Even if earth-bound societies come and go in the next 300years,the project can continue through the work of the Mars settlers without the need for constant backing from the earth.
The future existence of all the people in our world may very well depend upon our ability to terraform Mars.

63.What would be the best title for this passage?A
A.Terraforming Mars.        B.Saving the Earth.
C.Travelling to Mars.       D.A Newly-found Place.
64.What does the underlined word"altering"mean in the second paragraph?B
A.warming.          B.changing.
C.planting.         D.building.
65.According to the passage,the main purpose of terraforming Mars is toD.
A.do some scientific research work
B.find out its similarity to earth
C.avoid the dying away of many other species
D.find on Mars living place for the increasing human beings
66.The main reason for causing many people to consider terraforming Mars is thatA.
A.there are some resemblances between Earth and Mars.
B.terraforming Mars is theoretically simple
C.we have had some experience with terraforming our own planet:Earth
D.the development of science and technology is very rapid.

分析 本文围绕着人类移民火星而展开论述.首先从火星与地球的相似之处讲到移民火星在理论上的可行性以及搬迁过程,继而又谈论了人类因人口的急剧增加而向外层空间发展的必要性.最后分析了人类科技的发展和成就大大增加了使火星适合人类居住和人类移民火星的可能性.

解答 63--66 ABDA
63.A 主旨大意题.根据首段提出human beings will move to Mars可知,然后围绕此话题展开论述,所以文章中心应该是将火星地球化问题.帮选A.
64.B 词义猜测题.根据后句so that Earth's life forms can survive there可知,可判断为了让地球上的生命能在火星上存活,就要改变火星上的条件以便更适合地球上生命的生长.故选B.
65.D 推理判断题.根据第二段Terraforming means altering a planet's surface so that Earth's life forms can survive there可知,使火星地球化的目的是让地球上生命能在火星上存活.故选D.
66.A 细节理解题.根据第二段Mars resembles the earth in many aspects…和 These resemblances have caused many people to consider a centuries-long project:to terraform Mars可知,火星我地球有许多相似的地主.故选A.

点评 新闻一般采用"倒金字塔"式结构(即先说结果,再说重要事实,最后说次要内容),但有的通讯叙述方比较灵活多变,有顺叙、倒叙、中间或许还会有插叙、补叙等叙述方法,这就要求我们在阅读时特别关注.必须在十分有限的时间内运用略读、扫读、跳读等技巧快速阅读,搜寻关键词、主题句,捕捉时空、顺序、情节、人物、观点,并且理清文章脉络,把握语篇实质.

练习册系列答案
相关习题

科目:高中英语 来源: 题型:短文改错

10.X-Men:Apocalypse is a 2016American superhero film starring in many popular actors including James McAvoy,and Jennifer Lawrence.in 删掉.

查看答案和解析>>

科目:高中英语 来源: 题型:阅读理解

14.LOS ANGELES (Reuters)---Onions make you cry,add flavor to food and are talked about a lot for their medicinal benefits.Now the vegetable has another use---powering up green energy.
A new system debuts on Friday that changes onion juice into electricity at Gills Onions,the largest fresh onion processor (加工机) in the United States.
The Oxnard,California-based company expects its new onion-fueled power to reduce its electric bill by﹩700,000 a year and cut its annual greenhouse gas releasing by up to 30,000 tons.The happy ending to this green energy tale,however,generated another question:how to get rid of onion waste."When we peel an onion,35 to 40 percent of the onion comes off before we have a usable onion.That's the top,tail and skins around the onion before you get to the meat,"said Steven Gill,co-owner of the 25-year-old company.
They used to take the waste to the fields for composting (堆肥) but that became a problem as it cost too much.Ten years ago,Gill started looking at technology for a solution."We ended up destroying the skins as they c ome out of the plant and extracting all the juice,which is very high in sugars,and bacteria love it,"Gill said.
In the new system,bacteria produce methane gas(沼气) from the juice.The gas then goes to two 300 kilowatt fuel cells,creating enough power for 460 homes.The company expects to get 35 to 40 percent of its electricity from this new system.
The company invested﹩9.5 million in the project and will receive﹩2.7 million from Southern California Gas Co.,a regulated subsidiary of Sempra Energy,as part of a state program to encourage self-contained generation by businesses.In addition to cutting its electric bill,the company will save﹩400,000 in costs of taking the waste to the fields and expects pay-back in six years.
The onion grower now has a new goal:to be a zero-waste facility by 2013.
"We wanted to follow it all the way through and make the full circle,"Gill said.

41.What would be the best title for this passage?D
A.Onions are made use of in America now
B.US company finds a new way to reduce costs
C.Onions are widely used to produce electricity now
D.US company turns onion juice into electricity
42.According to the passage,we can learn that in the pastB.
A.onion waste was a problem for most people
B.a big part of an onion was wasted
C.onions were mainly used as medicine
D.onions were not liked by most people
43.In the new system,onions can be used to produce electricity mainly becauseD.
A.the skins of onions can be destroyed easily
B.the onion waste is taken to the fields
C.a lot of bacteria are put into onions
D.bacteria can produce methane gas from onion juice
44.It is implied in the passage thatD.
A.every family can use onions to produce electricity
B.this new technology is not well received by some people
C.onions have played the most important role in producing power
D.using onions to produce electricity will help reduce pollution
45.In which part of a newspaper would you most probably read this passage?A
A.Science    B.Education   C.Health   D.Agriculture.

查看答案和解析>>

科目:高中英语 来源: 题型:完形填空

11.Here's a new warning from health experts:Sitting is deadly.Scientists are increasingly warning that sitting for prolonged periods-even if you also exercise regularly-could be(36)Afor your health.And it doesn't matter where the sitting takes place-at the office,at school,in the car or before a computer or TV-just the overall number of hours it(37)B
Research is preliminary,but several studies(38)Cpeople who spend most of their days sitting are more likely to be fat,have a heart attack or even die.
In an editorial(39)Dthis week in the British Journal of Sports Medicine,Elin Ekblom-Bak of the Swedish School of Sport and Health Sciences suggested that authorities rethink how they define(40)Bactivity to highlight the dangers of sitting.
While health officials have issued guidelines(41)Cminimum amounts of physical activity,they haven't suggested people try to limit how much time they spend in a seated(42)D
"After four hours of sitting,the body starts to send(43)Asignals,"Ekblom-Bak said.She explained that genes regulating the amount of glucoseand fat in the(44)Cstart to shut down.
Even for people who(45)D,spending long stretches of time sitting at a desk is still harmful.Tim Armstrong,a physical activity expert at the World Health Organization,said people who exercise every day(46)Cstill spend a lot of time sitting-might get more benefit if that exercise were spread across the day.(47)Ain a single bout.
That wasn't(48)Dnews for Aytekin Can,31,who works at a London financial company,and spends most of his days sitting(49)Ca computer.Several evenings a week,Can also teaches jiu jitsu,a Japanese martial art(50)Bwrestling,and also does Thai boxing.
"I'm sure there are some detrimental(51)Aof staying still for too long,but I hope that being(52)Bwhen I can helps,"he said."I wouldn't want to think the sitting could be(53)Ddangerous."
Still,in a study published last year that tracked more than 17,000 Canadians for about a dozen years,researchers found people who sat(54)Chad a higher death risk,independently of whether or not they exercised.
Figures from a US survey in 2003-2004 found Americans spend more than half their time sitting,from working at their desks to sitting in cars.
Experts said more research is needed to(55)Djust how much sitting is dangerous,and wha t might be possible to offset those effects.

36.A.badB.goodC.meanD.dead
37.A.doesB.occursC.matchesD.dies
38.A.adviseB.talkC.suggestD.say
39.A.thrownB.caughtC.seenD.published
40.A.biologicalB.physicalC.psychologicalD.logical
41.A.commendingB.mendingC.recommendingD.communicating
42.A.standB.stateC.postD.position
43.A.harmfulB.carefulC.wonderfulD.skillful
44.A.headB.armC.bodyD.foot
45.A.sleepB.restC.walkD.exercise
46.A.andB.soC.butD.then
47.A.rather thanB.other thanC.more thanD.less than
48.A.badB.harmfulC.disadvantageD.welcome
49.A.behindB.backC.in front ofD.forward
50.A.referringB.involvingC.takingD.bringing
51.A.effectsB.prefectsC.affectsD.offers
52.A.inactiveB.activeC.interactiveD.positive
53.A.suchB.littleC.lotD.that
54.A.lessB.fewerC.moreD.further
55.A.leave outB.bring outC.hold outD.figure out

查看答案和解析>>

科目:高中英语 来源: 题型:听力题

18.听第二段对话,回答第4-6题.
4.What is probably the man's nationality?
A.English     B.America     C.Chinese
5.What does the woman offer to do for the man?
A.Find a good dictionary,
B.Teach him English.
C.Help him with problems.
6.How does the woman think of the man's English?
A.Not very native    B.Good.   C.Poor.

查看答案和解析>>

科目:高中英语 来源: 题型:阅读理解

8.Being the boss might mean more money and challenging work but it can also cause damage to physical and mental well-being,according to a Canadian study.
For years studies have shown people in lower-status jobs generally have higher rates of heart disease and other illnesses and die earlier than those in higher-status positions while job authority has shown no relationship with workers'health.
But University of Toronto researchers,using data from 1,800US workers,found the health of people in higher positions is affected by work as they are more likely to report conflicts with co-workers and say work disturbs their home life.
However,the positive aspects of having a power position at work,such as higher status,more pay and greater independence,seemed to cancel out the negative aspects when it came to people's physical and psychological health.
These latest findings,reported in the journal Social Science & Medicine,suggest that the advantages and disadvantages authority positions basically cancel each other out,giving the general impression that job authority has no health effects.
For the study,the researchers surveyed participants about various aspects of their work,life and well-being.Job authority was judged based on whether a person managed other employees and had power over hiring,firing and pay.
Physical health complaints included problems like headaches,body aches,heartburn and tiredness.Psychological complaints included sleep problems,difficulty concentrating and feelings of sadness,worry and anxiety.
"This isn't to suggest that having authority is‘bad'-in fact,we show it has benefits…but it is important to identify the negative sides and deal with them."researcher Scott Schieman said.
Schieman said conflicts with co-workers or involvement of work into home life may destroy at physical and mental well-being by creating stress.
"These are key stressors that can tax individuals'ability to function effectively,"Schieman said.

56.Work will have a negative effect on job authority's health probably becauseD.
A.they are not fit for their work
B.they have power over hiring and pay
C.they are faced with severe competition
D.they don't get on well with their co-workers
57.Most people don't see that bosses have health effects becauseD.
A.their health problems are not serious enough to see
B.they have enough money to keep themselves healthy
C.their problems are quite different from those of workers
D.the advantages and disadvantages of their status work against each other
58.From the passage we can infer that the study aims toB.
A.warn people not to be a boss for ever
B.remind the boss to deal with the bad effects of their work
C.show that having authority is harmful to one's health
D.prove that being a boss can benefit a lot
59.The best title for this passage might beB.
A.Lower-status can affect health
B.Authority can affect health
C.Positive aspects of a power position
D.Disadvantages of being a boss.

查看答案和解析>>

科目:高中英语 来源: 题型:阅读理解

15.If you're a male and you're reading this,congratulations!You're a survivor.According to statistics,you're more than twice as likely to die of skin cancer than a woman,and nine times more likely to die of AIDS.Assuming you make it to the end of your natural term,about 78 years for men in Australia,you'll die on average five years before a woman.
There're many reasons for this--typically,men take more risks than women and are more likely to drink and smoke but perhaps more importantly,men don't go to the doctor.
"Men aren't seeing doctors as often as they should,"says Dr.Gullotta."This is particularly so
for the over-40s,when diseases tend to strike.According to a recent survey,95%of women aged between 15 and early 49s see a doctor once a year,compared to 70%of men in the same age group.
"A lot of men think they're unbeatable,"Gullotta says."They only come in when a friend drops dead on the golf course and they think,Geez,if it could happen to him …"
Then there's the ostrich(鸵鸟)approach."Some men are scared of what might be there and would rather not know,"says Dr.Ross Cartmill.
 
"Most men get their cars serviced more regularly than they service their bodies,"Cartmill says.He believes most diseases that commonly affect men could be addressed by preventive check-ups.
"Prevention is cheaper in the long run than having to treat the diseases.Besides,the final cost is far greater,it's called premature death."
 
64.Why does the author congratulate male readers at the beginning of the passage?C
A.They can live longer than they expected.
B.They are sure to enjoy a longer and happier life.
C.They have lived long enough to read this article.
D.They are more likely to survive serious diseases now.
65.Which of the author's statements is the most important reason that men die five years earlier on average than women according to the passage?B
A.Men drink and smoke much more than women.
B.Men don't seek medical care as often as women.
C.Men are more likely to suffer from deadly diseases.
D.Men aren't as cautious as women in face of danger.
66.Which of the following best completes the underlined sentence"Geez,if it could happen to him…"(in Para 4)?A
A.it could happen to me,too.
B.it would be a big misfortune.
C.I should avoid playing golf.
D.I should consider myself lucky.
67.What does Dr.Ross Cartmill mean by"the ostrich approach"(in Para 5)?D
A.A casual attitude towards one's health conditions.
B.A new treatment for certain psychological problems.
C.Refusal to get medical treatment for fear of the pain involved.
D.Unwillingness to find out about one's disease because of fear.

查看答案和解析>>

科目:高中英语 来源: 题型:阅读理解

12.Women who own cats are more likely to have mental health problems and kill themselves because they can be infected by a common parasite that can be caught from cat litter,a study has found.
Researchers found women infected with the Toxoplasma gondii (T.gondii) parasite(刚地弓形虫),which is spread through contact with cat waste or eating undercooked meat or unwashed vegetables,are at increased risk of attempting suicide.
The study involved more than 45,000women in Denmark.About a third of the world's population is infected with the parasite,which hides in cells in the brain and muscles,often without producing symptoms.
The infection,which is called toxoplasmosis(弓形虫病),has been linked to mental illness,such as schizophrenia(精神分裂症),and changes in behavior.
The study's senior author Doctor Teodor Postolache,an associate professor of psychiatry(精神病学) at the University of Maryland School of Medicine in the United States,said,"We can't say with certainty that T.gondii caused the women to try to kill themselves,but we did find a predictive association between the infection and suicide attempts later in life that deserves additional studies."
Doctor Albert Reece,vice president of medical affairs at the University of Maryland,said,"T.gondii infection is a major public health problem around the world,and many people don't realize they're infected.
"Dr Postolache is a leading expert on suicide neuroimmunology(神经免疫学).Suicide is a critically important mental health issue.About one million people commit suicide and another 10million attempt suicide worldwide each year.We hope that this type of research will one day help us find ways to save many lives that now end too early in suicide."
Dr.Postolache's research team at the University of Maryland was the first to report a connection between T.gondii and suicidal behavior in 2009.He is cooperating with researchers in Denmark,Germany and Sweden to confirm and investigate the way leading to this association.
The T.gondii parasite thrives in the intestines of cats,and it is spread through their waste.All warm-blooded animals can become infected through contact with it.Humans can become infected by changing their infected cats'litter boxes,eating unwashed vegetables,drinking water from a polluted source,or by eating undercooked or raw meat.
Not washing kitchen knives after preparing raw meat before handling another food item also can lead to infection.Pregnant women can pass the parasite directly to their unborn babies and are advised not to change cat litter boxes to avoid possible infection.
Babies don't produce antibodies to T.gondii for three months after they are born,so the antibodies present in their blood represented infection in the mothers.The scientists studied Danish health patients to determine if any of these women later attempted suicide,including cases of violent suicide attempts which may have involved guns,sharp instruments and jumping from high places.
The study found that women infected with T.gondii were one and a half times more likely to attempt suicide compared to those who were not infected,and the risk seemed to rise with increasing levels of the T.gondii antibodies.
Dr Postolache noted limitations to the study,such as the inability to determine the cause of the suicidal behavior.
The findings were published online in the Archives of General Psychiatry.
50.The objects of the research are women fromA.
A.Demark B.the USA C.Germany D.Sweden
51.The common way which is more likely to be infected with the disease isB.
A.to eat unwashed vegetables or undercooked meat
B.to clean a place where a cat once lived for a time
C.to pass the infection to her unborn baby during a woman's pregnancy
D.to reuse kitchen tools which have been used to cut raw meat
52.What is the consequence if a woman is infected with the parasite in the passage?B
A.Having a high fever.
B.Doing deliberate self-harm.
C.Keeping a depressed mood.
D.Becoming bad tempered.
53.What can be inferred from the passage?C
A.Women have a higher risk to be infected by the parasite than men.
B.The result of the research may help the scientists to find ways to stop suicide in advance.
C.The scientists will continue their research into the possible connection.
D.The risk of being infected seems to rise with the decreasing levels of the antibodies.
54.Which of the following statements would probably be the best title of the passage?D
A.Why are women more likely to commit suicide?
B.Women should keep away from cats.
C.Ways found to deal with women's mental problems.
D.Are women who own cats at a suicide risk?

查看答案和解析>>

科目:高中英语 来源: 题型:填空题

6.The school cannottolerate(容忍) cheating exam.

查看答案和解析>>

同步练习册答案