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第十三篇

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发布时间： 2016-08-25

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1共用题干单选题 3分

HarryPotterismentionedinthepassagebecausescientist

  • A. can now make an invisible cloak of the same kind as he uses.
  • B. try to make an invisible cloak of the same kind as he uses.
  • C. try to invent a device Similar in idea to the invisible cloak he uses.
  • D. know that it is possible to make an invisible cloak of the same kind. 
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正确答案： -

本题解析： 暂无解析

2共用题干单选题 3分

Whatistrueofmicrowaves?

  • A. Their wavelengths are shorter than those of visible light.
  • B. Their wavelengths are longer than those of visible light.
  • C. They are different from visible light as they are a kind of radiant energy.
  • D. They are visible to the human eye.

     

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正确答案： -

本题解析： 暂无解析

3共用题干单选题 3分

WhatisNOTtrueoftheinvisibilitydevice?

  • A. It is made of a special material with unusual ability.
  • B. Microwaves bounce off it when they strike it.  
  • C. Microwaves pass through it when they strike it.
  • D. It bends the microwaves all the way around until they reach the opposite side.
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正确答案： -

本题解析： 暂无解析

4共用题干单选题 3分

Whatdoesthewordcoastermeaninthepassage?

  • A. A disk or plate placed under a drinking glass to protect a table top.
  • B. A vessel engaged in coastal trade.
  • C. A roller coaster.
  • D. A resident of a coastal area.
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正确答案： -

本题解析： 暂无解析

5共用题干单选题 3分

HarryPotter’sinvisibilitycloakdoesn’thaveanyrealco

  • A. scientists have not found out how his cloak works.
  • B. the cloaking device is a total failure.
  • C.  the cloaking device works only for microwaves.
  • D. the cloaking device works only for visible light.
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正确答案： -

本题解析： 暂无解析

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