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根据以下内容回答题：Scientists know that there are two basic approaches to prolonging life（

根据以下内容回答题：

Scientists know that there are two basic approaches to prolonging life（延长寿命），one approache is the elimination of the diseases that generally affect older people—diseases such as cancer，heart attack and stroke．（1）is the delay of the process of growing-old the（2）of the body． In recent years scientific researchers（3）much time in the study of the process of aging．They believe that，within a few years，they will develop the knowledge and the（4）to delay the aging process for lo to 15 years．The result will be that more people will live longer，more healthful lives．At present，scientists believe that with the right diet，exercise，medical（5），and mental attitude many people can live to he l00 years old． Gerontologists（老年学专家），people who（6）studies of the problems of growing old，are investigating（7）body cells slow down and（8）die．They feel that delaying this slowing down process（9）help postpone death．In a number of American universities，scien-tists are studying the activity of cells，the effects of diet and internal body temperature on aging．If their studies are successful，the results should help（10）the quality of life for older people in the next few years，as well as increase the life span of the next generation．

1.

A.Others

B.Another

C.The other

D.One more

答案

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发布时间：2021-10-07

更多“根据以下内容回答题：Scientists know that there are two basic approaches to prolonging life（”相关的问题

第1题

根据以下内容回答题，There was one thought that air pollution affected only the area immedia

根据以下内容回答题，

There was one thought that air pollution affected only the area immediately around large cities with factories and heavy automobile traffic．At present，we realize that although these are the．areas with the worst air pollution，the problem is literally worldWide．On several occasions over the past decade，a heavy cloud of air pollution has covered the east of the United States and brought health warnings in rural areas away from any major concentration of manufacturing and automobile tmmc．In fact，the very climate of the entire earth may be infected by air poilu-tion．Some scientists consider that the increasing concentration of carbon dioxide in the air resulting from the burning of fossil fuels（coal and oil）is creating a“greenhouse effect”——con-serving heat refleeted from the earth and raising the world’S average temperature．If this view is correct and the worid’s temperature is raised only a few degrees，much of the polar ice cap will melt and cities such as New York，Boston，Miami，and New Orleans will be in water． Another view．1ess widely held，is that increasing particular matter in the atmosphere is blocking sunlight and lowering the earth’s temperature——a result that would be equally disas-trous．A drop of just a few degrees could create something close to a new ice age，and would make agriculture difficult or impossible in many of our top fanning areas．Today we do not know for sure that either of these conditions will happen（though one recent government report drafted bv experts in the field concluded that the greenhouse effect is#cry possible）．Perhaps，if we are lucky enough，the two tendencies will offset each other and the world’s temperature will stay about the same as it is now．

As Dointed out at the beginning of the passage，people used to think that air pollution__________ ．

A.caused widespread damage in the countryside

B.affected the entire eastern half of the United States

C.had a damaging effect on health

D.existed merely in urban and industries areas

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第2题

根据以下内容回答题：Earthquakes may rightly be ranked as one of the most destructive forces

known to man：since reeords began to be written down，it has been estimated that earthquake-related fatalities（死亡）have numbered in the millions，and that earthquake-related destruction has been be-vond calculation．The greater part of such damage and loss of life has been due to falling down of buildings and the effects of rockslides，floods，fire，disease，gigantic sea waves，and other phenomena（现象）resulting from earthquakes，rather than from the quakes themselves． The great majority of all earthquakes occur Off two specific areas，along the coasts of the Pacific Ocean and from the East Indies to the Atlas Mountains．But they may，however，happen anywhere at any time． This element of the unknown has for centuries added greatly to the fear and horror sur-rounding earthquakes，but in recent times there have been indications that earthquake predic-tion may be possible．By analyzing changes in animal behavior，patterns of movements in the earth’S surface．and other unusual phenomena，scientists have shown increasing Success in pre-dicting when and where earthquakes will strike．As a result，a worldwide earthquake-warning network is already in operation and has helped to prepare for the vast destruction that mightotherwise have been totally unexpected． It is．doubtful，that man will ever be able to control earthquakes and do away with the destructiveness altogether。but as how．and why earthquakes happen become better understood，man will become more and more able to deal with their possible destruction before it occurs．

Most destruction caused by earthquakes is the results of the following EXCEPT__________ ．

A.the collapsing of buildings and the fire it causes’

B.the floods and huge sea waves resulting from earthquakes．

C.the disease that often follows earthquakes

D.the panic brought about by earthquakes

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第3题

根据以下内容回答题：Economists believe that job earnings influence choice of occupation．The

根据以下内容回答题：

Economists believe that job earnings influence choice of occupation．They acknowledge that people place varying emphasis（1）income，but point out that workers tend to move from one occuDation to another（2）changes in salaries．In 1931，H．F．Clark，an economist，stated that“proper information regarding wages if sufficiently（3）upon people，will lead to correct choice of occupation and correct（4）of people in an occupation，provided barriers to occuDations have been removed．”This means that the supply and demand of．workers have（5）to do with wages，（6）in turn influence people to choose certain careers．However，all barriers to occupations will have to be removed（7）career choices can be（8）by eco-nomics alone．There is little question（9）economic factors have some influence on choice ofan occuDation．But to picture them as the major or most important reason（10）against the soundest of folk wisdom：“Man does not live by bread alone．”

1.

A.in

B.on

C.into

D.for

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第4题

根据下面内容，回答题： Scientists in the UK have announced that the piranhafish"s reputatio

根据下面内容，回答题：

Scientists in the UK have announced that the piranhafish"s reputation 21 a fearsome 22 may well not be deserved. The fish， which is found in the Amazon in Brazil， have been 23 as deadly carnivores（食肉动物） that work in shoals to overwhelm their prey and strip it of its flesh in seconds.

However， experts 24 St Andrews University say that piranhas are omnivores（杂食动物） that mainly eat fish， plants and insects. They form. big groups not to hunt but to defend 25 against other predators， according to the team.

"Previously it was thought piranhas shoaled as it 26 them to form. a cooperative hunting group，" said Professor Anne Magurran. " 27， we have found that it is primarily a defensive behavior. "

Piranhas can be attacked by animals 28 dolphins， caimans and large fish， so forming a shoal is a good way of 29 being killed. Piranhas of 30 age stay in the middle of the group for 31 and the 32 of the shoal differs according to the level of 33 When the water level is 34， the fish form. small groups as there is space to escape， but when the water level drops， they form. large groups as protection 35 predators.

材料题请点击右侧查看材料问题查看材料

A.as

B.as if

C.as though

D.since

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第5题

根据以下内容回答题：When I was a boy，children always objected（1)wearing school uniform. but

根据以下内容回答题：

When I was a boy，children always objected(1)wearing school uniform. but teacherswere(2)on it because they said all of US looked(3)．0therwise，they said，children would compete with(4)and the poorer children would be unhappy because people would see how poor they were．In recent years，however，many schools have(5)the idea of making children wear uniform. but funnily enough，now that children can wear(6)they like，they have adopted a uniform. of their own．When some journalists visited a London school，they found that aU the boys and girls were dressed in jcans．One girl said she would rather die than wear a coat instead of a jersey because(7)wants to look different(8)the other children in the class．Parents may not be as happy about th．is as children，but they(9)to be，because this new kind of uniform. is one that the children like，not something they have been forced to wear，and it is also(10)cheaper than school uniform. used to be．

请回答（1）题：查看材料

A.against

B.to

C.for

D.on

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第6题

根据以下内容回答题：Everyone wants to be healthy and happy．（1），illness or accidents mayoccu

根据以下内容回答题：

Everyone wants to be healthy and happy．（1），illness or accidents mayoccur without any notice．Frequently the person who is（2）can be cared for at home if there is someone capable of looking after him under the doctor’s（3）．Sometimes arrangements can be made for a visiting nurse to give the necessary （4）once a day，or often，．if necessary．The responsible one in the home carries on with the rest of the care during the（5）between the nurses visits． The rapid diagnosis（诊断）and immediate treatment on the spot of an accident or sudden illness，（6）awaiting the arrival of doctors，is called the first aid and quite distinct from the home nursin9． When illness does come，the whole family is（7）．Many adjustments have to be made，but the family routine needn’t be（8）completely．Often it can be rearranged with home duties simplified to save time and energy，thus reducing strain on the family． The（9）responsibility for giving nursing care is usually assured by one person，frequently the mother．（10），in order that she may have some much needed rest，or in case she herself is ill，other members of the family should learn how to help when sickness occurs．

1.

A.Apparently

B.Unfortunately

C.Naturally

D.Occasionally

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第7题

根据以下内容回答题：People used to say，“The hand that rocks the cradle（摇篮）rules the world

根据以下内容回答题：

People used to say，“The hand that rocks the cradle（摇篮）rules the world．” And“（1）every successful man there’s a woman．”Both these sayings mean the same thin9．Men（2）the world-but their wives rule them． Most of the American women like to take their husbands and（3）successful，but some of them want（4）for themselves．They want good jobs．When they work，they want to be（5）paid．They want to be as successful as men． The American women’s liberation movement was started by women who don’t want to （6）successful men．They want to stand beside men，with the same chance for success．They don’t want to be told that certain jobs or offices are（7）to them．They refuse to work side by side with men who do the same work for different pay． A（8）womari must be proud of being a woman and have confidence in（9）．If somebody says to her：“You’ve come a long way，baby．”She’ll smile and answer，“Not nearly as far as Fm going to go，baby!”This movement is quite new，and（10）American women do not agree．But it has already made some important changes in women’s lives and in men’s lives，too．

1.

A.Behind

B.Beside

C.Before

D.Under

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第8题

根据以下内容回答题：A volcanic eruption in Iceland has sent ash across northern Europe．Airl

根据以下内容回答题：

A volcanic eruption in Iceland has sent ash across northern Europe．Airlines have stopped or changed the flights across the Atlantic Ocean，leaving hundreds of passengers stuck in air-ports．

Grimsvoto is oDe of the largest and most active volcanoes in Europe．What makes Grimsvoto different is that it lies under a huge glacier(冰川)of ice up to 12 meters thick．The hot volcano heats up the ice above it，which then forms a layer of water between the glacier and the volcano．This layer of water puts pressure on the volcano，keeping it stable．As the water flows out from under the glacier，the pressure lifts．The lava(岩浆)from the volcano then comes up to the surface．This is exactly what happened today．

Now．airlines have to make changes to their flights SO as not to fly through the clouds of volcanic as．h．According to．KLM，one of Europe’s biggest airlines，airplanes cannot go under the cloud or over it．Going through the cloud can result in ash getting stuck in the airplane’s engines，causing damage to the plane．

The eruption has also caused problems for animals in Iceland．The volcano left ash and sharp，glass-like rocks all over the countryside．Farmers are keeping their animals inside to stop them from eating ash—covered grass or the sharp objects．

What makes Grimsvoto different from other volcanoes？查看材料

A.It is below-ice．

B.It lies under the sea．

C.It is the largest volcano．

D.Its lava affects the airlines．

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第9题

根据以下内容回答题：People landing at London’S Heathrow airport have something new to look

根据以下内容回答题：

People landing at London’S Heathrow airport have something new to look at as they fly overBritain’S capital city．It is attractive，simple and a little strange．The Millennium Dome is a huge semi-circle of plastic and steel and it contains the largest public space in the world．It has been built to house an exhibition of all that is best in British life，learning and leisure． The Millennium Dome was designed by Sir Richard Rogers，one of British’S most famous architects．His work points the way to new developments in buildin9．Think of it as a giant symbol of the buildings in which we will all be living and working in the near future． Buildings are also a part of history．They express the culture of the times．Sir Richard Rogers is aware of this responsibility．While different designers have individual styles，their work also has a common style．That is：to express the values of the information age． What is an“information age”building？The dome is a good example．After the Millennium exhibition ends，it will be used for another purpose．Just as people no longer have“jobs for life”，modem buildings are designed for a number of different use for another Richard Roger’s building，the Pompidous Center（蓬皮杜艺术中心）in paris，uses the idea that information is communication．Instead of being hidden in the walls，heating pipes and elevators are open to public view．The Pompidous Center is a very honest building．It tells you how it works．

The Millennium Dome has been originally buih to hold an exhibition__________ ．

A.of different building designing

B.of the finest things in Britain

C.of everything that can draw the attention of people

D.of recent developments in information technology

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