Finding information in today’s world is easy.The is how you can tell if the information you get is useful or not. A.ability B.competition C.challenge D.knowledge 题目和参考答案——青夏教育精英家教网—

题目内容

Finding information in today’s world is easy.The_______is how you can tell if the information you get is useful or not.

A.ability B.competition

C.challenge D.knowledge

解析:

challenge意为“挑战，艰巨任务，难题”。由于我们现在正处于信息爆炸的时代，在当今时代中找到信息是一件很容易的事，但区分出这些信息是否有用的确是一个难题。ability意为“能力”；competition意为“竞赛”；knowledge意为“知识”。

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The biggest finding in brain research in the last ten years is that the brain at any age is highly plastic. If you ask your brain to learn, it will learn . And it may even speed up while in the process.
To keep you brain young and plastic you can do one of a million new activities that challenge and excite you : playing table tennis or bridge, doing crossword puzzle , learning a language ….“ When it comes to preventing ageing, you really do ‘ use it or lose it ’ , ” says Barbara Sahakian , professor at Cambridge University .
67. Dr . Merzenich’s training method mainly depends on       .
A. speech training                                     B. computer languages
C. the activities on joins in                         D. the information being dealt with
68. By saying “ the brain at any age is highly plastic ”, the writer probably means the brain can be      .
A. used                 B. mastered                  C. developed                 D. researched
69. What can we learn from the text?
A. Practice makes a quick mind.
B. Brain research started ten years ago .
C. Dr. Merzenich is a scientist in computer.
D. People believed nothing could stop the brain slowing down.
70. Which of the following agrees with the writer’s idea?
A. The training methods work better for the old.
B. People should use the brain to stop it from ageing.
C. The training of the brain should start at an early age.
D. It’s necessary to take part in as many activities as possible.