Compared with RF-system, Wi-Fi has ____________.

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• 1According to Adib, the first device they invented could only ___________.

  A.observe people’s movement behind walls roughly

  B.capture people’s facial expressions precisely

  C.detect the passenger’s heart rate

  D.measure people’s breathing behind walls

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• 2The new technology can be applied potentially in the following fields EXCEPT ___________.

  A.health care

  B.smart houses

  C.traffic control

  D.gaming

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• 3What is the distinction between the new device and the traditional one、

  A.The new device uses the short wavelength radio signals.

  B.The traditional device achieves higher accuracy.

  C.The new device monitors people’s movement through cameras.

  D.The traditional device can observe through walls.

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• 4Which function cannot be achieved by the new system created by MIT、

  A.It can send out short wave radio signals.

  B.It has receivers to detect reflections of radio waves.

  C.It can detect people’s real time movement.

  D.It improves people’s health level and cures diseases.

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• 5Why do researchers doubt that the new material will have a broad range of applications、

  A.Because there are no enough spiders to produce silk.

  B.Because it is too expensive to produce the material massively.

  C.Because the unsteady state of the material makes it hard to produce.

  D.Because the technology to produce the material is not finished yet.

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• 6The first paragraph of the passage tells us that ________.

  A.the harder an athlete trains, the better his performance will be

  B.rest after vigorous training improves an athlete’s performance

  C.strict systematic training is essential to an athlete’s top performance

  D.improvement of an athlete’s performance occurs in the course of training

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• 7By “overtraining” the author means ________.

  A.a series of physical symptoms that occur after training

  B.undue emphasis on the importance of physical exertion

  C.training that is not adequately compensated for by rest

  D.training that has exceeded an athlete’s emotional limits

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• 8What does the passage tell us about the “overtraining” syndrome、

  A.It occurs when athletes lose interest in sports.

  B.It appears right after a hard training session.

  C.The fatigue it results in is unavoidable in the athlete’s training process.

  D.It manifests itself in fatigue which lingers even after a recovery period.

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• 9What does the phrase “level off” (Line 7, Par

  A.4) most probably mean、A.Slow down

  B.Become dull.

  C.Stop improving

  D.Be on the declin

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• 10The author advises at the end of the passage that ________.

  A.over-training syndrome should be treated as a serious illness

  B.over-training syndrome should be prevented before it occurs

  C.an athlete with overtraining syndrome should take a lengthy rest

  D.illness causing fatigue should not be mistaken for overtraining syndrome

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