It may rain --- you’d better take an umbrella _______.


  1. A.
    in case
  2. B.
    in this case
  3. C.
    in no case
  4. D.
    under the case
A
本題考查case的短語的用法。in case以防；萬一 ； in this case在這種情況下；in no case絕不。沒有under the case這種搭配。句意：可能下雨--你最好帶把傘， 以防萬一（下起來）。
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科目：高中英語 來源：皇冠優(yōu)化名題　高中英語 題型：050

　　Throughout history soldiers have fought bloody battles inorder to control the high ground．There is no doubt that thisis a tactical（戰(zhàn)術(shù)的）necessity．Standing abouve your enemy isan advantage that often leads to vietory．

　　Nowadays，high ground does not just mean hill tops．Italso means space,which has become an increasingly importantpart of military strategy（軍事戰(zhàn)略）．

　　With its more advanced satellite technologies,America isthe major power in space．And now the US Air Force has putinto service a new weapon designed to jam enemy satellite communications．It is an important step toward US control of space．

　　The so-called Counter Communications System（反衛(wèi)星通信系統(tǒng)）was declared operational on November 1．The ground-based system uses electromagnetic radio frequencites（無線電磁波）to stop enemy satellites working on a shortterm basis．

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　　The system is made up of an antenna（天線）,transmitters（發(fā)射機(jī)）and receivers and can be easily transported around in a vehicle．

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　　The US military has experimented with several“anti-sat-ellie”weapons,including lasers,to destroy or damageenemy units．

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　　To change the balance of power in space the EU and China are working together on the Galieo project．By 2008 the system will be in place as an alternative to the Americans'global positioning service．

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What's the significance（意義）of the Counter Com-munications System to the US?

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A．

It can help avoid bloody battles．

B．

It can bring the US closer to its goal for“space control”．

C．

It can ensure the US forces to depend on space based services．

D．

It can destroy enemy equipment．

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How does the new system work?It affects the enemy by．

[　　]

A．

being transported around easily in a Vehicle

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C．

damaging them

D．

blocking their satellite communications

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[　　]

A．

could increase the danger of a space arms race

B．

is not effective enough

C．

is not threatening enough

D．

might produce dangerous waste

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What can we infer from the passage________

[　　]

A．

New space weapons may be on the way．

B．

The US military have never stopped experimenting with anti-satellite weapons．

C．

The Galileo Project，when in effect，can match the Counter Communications System in power．

D．

In future wars，space battles will decide human's fate（命運(yùn)）．

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科目：高中英語 來源：同步題 題型：閱讀理解

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