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的最佳选项。选项中有两项为多余选
项。
Brain Transplants
Research on the human brain has been attracting more and more scientists in recent years. 71 If we compare a human brain to a hard disc, what the scientists are doing is to make better use of the hard disc.
The idea that a human brain could be transplanted (移植) may come from Frankenstein. In 1999, an experiment turned a bear into a dolphin (海豚). 72 They were made of the memory area in the dolphin’s brain containing information about swimming. They had a series of useful information, which was saved into a button – sized chip (芯片). Later the information was transplanted into the action memory area in the bear’s brain. 73 It proved to be a highly successful experiment and a bear was turned into a dolphin.
Recently, another memory transplant was performed at the Motor Nerve Rescarch Instance of the University of California. The experiment bad an entire transplant of the memory area. 74 The transplant was performed from a dog named Cenius to a dog named idiot. Cenius could follow up to 100 gestures and orders made by its master. It was a real genius in memorizing. However, Idiot had no contact with people since its birth. It because an animal with nothing in its brain, without any memory.
75 When the two dogs woke up, Idiot had grasped all the abilities Cenius possessed; it was good at memorizing and sensible. It could follow every gesture and any command given by its master. But Cenius gave no response to its master, and did not recognize him at all.
A．The experiment was a complete success.
B．It included actions, moods, logic, words, images, etc.
C．Then it was released (释放) by means of electric power.
D．Different images have different meanings in the memory area.
E．Using the most advanced technology, detailed images were produced.
F．Discoveries show that messages are carried by the central nervous system in the brain.
G．One of the latest topics is how to change the human brain or combine it with the computer.
71．G 72．F 73．C 74．B 75．A
解析:
略
怎样学好牛津英语系列答案第二节（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.
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A．Food production will increase,but not enough to feed all the people. |
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B．The report was a result of a three - year study. |
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C．Later on,more reports came out one by one. |
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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.