题目内容
根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中的两项为多余选项。
Nobody has ever succeeded in their attempt to stay young and live a very long life.__1__ But is this really true?
Dr Aubrey de Grey thinks that we can stop people getting old and that in about 20 years, people will be able to live to be 1,000 years old!__2__
In Dr Grey’s opinion, getting old is a problem that can be solved.__3__ If we can cure this disease, we can stop the aging process.We can also make people have young bodies again.
Dr Grey believes that science will soon be able to stop the causes of aging so that a person’s body won’t get weak and won’t suffer from the typical diseases of old age.
Dr Grey compares the human body to a house.As the house gets older, some things must be repaired.Broken hearts must be replaced.The same thing can happen with the human body, he thinks.We can use stem cell technology to grow new, healthy tissue to replace the old , damaged one.We can also try to remove disease-causing molecules in our bodies.__4__.
__5__However, they admit that Dr Grey’s ideas have not yet been proved wrong.Dr Grey is convinced that his opinions are realistic and that his research is very important.If aging is a disease, he says, we must try to cure it.
A.At the same time, people’s bodies will stay young and healthy.
B.Scientists succeed in solving the problem of aging long ago.
C.A lot of scientists think his ideas not realistic.
D.When our bodies change as we get older, this is like a disease.
E.New deadly diseases may also be cured, if we can stop the aging process.
F.It seems that everybody must get old and die.
G.In this way, a person could easily live to be 1,000 years old.
FADGC
第二节(共5小题;每小题2分,满分10分)
根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
In 1990 a report was published about what the earth might be like 20 years from then on. 71 According to the report,the picture of the earth in the year 2010 is not a pleasant one. 72 The population could be as large as 6300 million,almost 2150 million more than in 1985.More people would move into cities ,especially cities in developing countries.Cities like Cairo and Jakarta probably would each have 15 million by then.
73 Farmers will grow 90% more food than they did in 1985,but most of the increase would be in countries that already produce enough food for their people. 74 Poor farming ways are destroying large areas of crop land,changing farms into deserts.More farmland is lost as cities become larger and more houses are built.Air pollution will get worse as industrial countries burn more coal and oil.Many of the world's forests could disappear as more and more trees are cut down.Energy will continue to be a serious problem. 75 They only workde out the situation that exists today.By changing the situation,by settling the problems,the picture can be changed.There is still time for the nations of the world to work out a plan of action.But they warned that waiting too long to make de cisions would greatly reduce the chances of success.
A.Food production will increase,but not enough to feed all the people. |
B.The report was a result of a three - year study. |
C.Later on,more reports came out one by one. |
D.The world will be more crowded because the population will continue to grow. |
E.Experts believe enough food will be produced in developing countries very soon.
F.The experts say their picture of the earth for the year 2010 may be wrong.
G.Little increase is expected in South Asia,Africa and the Middle East.