What is the passage mainly about、

试卷相关题目

• 1What do we learn from the last paragraph、

  A.If we focus our attention on one thing, we might forget another.

  B.Memory depends to a certain extent on the environment.

  C.Repetition helps improve our memory.

  D.If we keep forgetting things, we’d better return to where we wer

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• 2A note in the pocket can hardly serve as a reminder because ________.

  A.it will easily get lost

  B.it’s not clear enough for you to read

  C.it’s out of your sight

  D.it might get mixed up with other things

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• 3One possible reason why women have better memories than men is that ________.

  A.they have a wider range of interests

  B.they are more reliant on the environment

  C.they have an unusual power of focusing their attention

  D.they are more interested in what’s happening around them

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• 4Why does the author think that encoding properly is very important、

  A.It helps us understand our memory system better.

  B.It enables us to recall something form our memory.

  C.It expands our memory capacity considerably.

  D.It slows down the process of losing our memory.

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• 5According to the passage people who have experienced ups and downs may become ________.

  A.nervous when faced with difficulties

  B.physically and mentally strained

  C.more capable of coping with adversity

  D.indifferent toward what happens to them

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• 6The passage is chiefly about ________.

  A.an effort to protect an endangered marine species

  B.the civilian use of a military detection system

  C.the exposure of a U.S. Navy top-secret weapon

  D.a new way to look into the behavior of blue whales

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• 7The underwater listening system was originally designed ________.

  A.to trace and locate enemy vessels

  B.to monitor deep-sea volcanic eruptions

  C.to study the movement of ocean currents

  D.to replace the global radio communications network

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• 8The deep-sea listening system makes use of ________.

  A.the sophisticated technology of focusing sounds under water

  B.the capability of sound to travel at high speed

  C.the unique property of layers of ocean water in transmitting sound

  D.low-frequency sounds traveling across different layers of water

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• 9It can be inferred from the passage that ________.

  A.new radio devices should be developed for tracking the endangered blue whales

  B.blue whales are no longer endangered with the use of the new listening system

  C.opinions differ as to whether civilian scientists should be allowed to use military technology

  D.military technology has great potential in civilian use

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• 10Which of the following is true about the U.S. Navy underwater listening network、

  A.It is now partly accessible to civilian scientists.

  B.It has been replaced by a more advanced system.

  C.It became useless to the military after the cold war.

  D.It is indispensable in protecting endangered species.

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