A.when he got weaker in health |
B.if certain parts of his brain were hurt |
C.a(chǎn)fter he did a quite different job |
D.when he grew older |
A.what each part of the brain is doing |
B.how many chemical changes take place in the brain each second |
C.whether each part of the brain does the same job |
D.which part of the brain is the most important |
A.faster when he is old |
B.a(chǎn) little now and a little then |
C.in a very simple way |
D.without any rest all day long |
A.Scientists are working hard at the researches on the brain. |
B.As many as six million chemical changes take place in the brain every minute. |
C.A young man doing physical labor is sure to have a much slower mind. |
D.Even an old man has a quick mind only if his brain is given much exercise. |
A.the less result we will gain |
B.the more work they are able to do |
C.the weaker their power will get |
D.the more tired they will feel |
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A.improve the teachers’ way of teaching |
B.stress the using of PDA in the classroom |
C.change the students’ behavior in the classroom |
D.discuss the potential problems of educational system |
A.difficult to control | B.interested in nothing |
C.unwilling to learn | D.ready to obey rules |
A.optimistic | B.critical |
C.uncertain | D.a(chǎn)pproval |
A.Whom to blame? |
B.The PDA incident |
C.Times have changed |
D.What to do with new technology? |
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A.repeated without any change |
B.treated as no more than a joke |
C.made some changes by parents |
D.set in the present situation |
A.he will get more interested |
B.great fear can take place in him |
C.he will like it to be repeated |
D.a(chǎn)n experiment is being done |
A.fashionable | B.forgettable | C.a(chǎn)vailable | D.believable |
A.fairy stories are all made up |
B.fairy tales lead to misunderstanding |
C.children are cheated by old stories |
D.there is more concern for children |
A.they are made up far from the truth |
B.they are so full of imagination |
C.they are not interesting at all |
D.they make history difficult to teach |
A.formal printings | B.creative scenes | C.positive effect | D.terrible characters |
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A.The doctors carry out surgery using snake robots mainly for heart disease. |
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C.Snake robots are completely free of human control today. |
D.Other supplementary appliances will be added to snake robots. |
A.Snake robots are only used in the medical field. |
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D.Scientists are forced to spend a lot of time researching snake robots. |
A.When they carry tiny cameras, scissors and forceps. |
B.When they are operated by experienced doctors. |
C.When they are given a wireless function. |
D.When they are designed for particular tasks. |
A.He thought snake robots of different sizes can be used for different types of surgery. |
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A.optimistic | B.doubtful | C.objective | D.negative |
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A.The piano | B.The violin | C.The trombone | D.The accordion |
A.The progress in learning an instrument depends on natural gifts |
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C.Every child has a natural talent for music. |
D.All people can understand and read music. |
A.Music can balance our life. |
B.Music can improve our living conditions. |
C.Playing instruments can make adults keep their IQ points. |
D.Playing instruments can help us get along well with others. |
A.persuade us to send our children to music schools |
B.express his great interest in musical instruments |
C.tell us the importance of Music in Development |
D.invite us to attend Ceilidhs |
A.Feeling relaxed. | B.Earn additional IQ points. |
C.Improve your health. | D.Show your talents |
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A.They sell them to others. |
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A.recycle most of their products |
B.make their computers cheaper |
C.repair and upgrade old computers |
D.collect all their used products |
A.help the computer companies to collect old ones |
B.repair old ones and send them to whoever needs them. |
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D.encourage people to turn rubbish into useful things. |
A.How to repair old computers. |
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A.protect people from wolves and deer |
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A.Some wolves in some areas must be killed, which others should be protected. |
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C.All wolves should be protected, for they eat deer, cows and chicken. |
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A.touching anyone directly |
B.touching anyone indirectly |
C.cold weather |
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A.they are working in the separate Arctic areas |
B.they are writing reports in terribly cold weather |
C.they are free from work in the isolated Arctic regions |
D.they are coming into touch again with the outside world |
A.suffered a lot | B.never caught colds |
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