题目列表(包括答案和解析)

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26.  When first _______ to the market, these products enjoyed great success.

A. introducing
 
B. introduce
 
C. introduced
 
D. being introduced

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25.  Don’t leave the water ______ while you brush your teeth.

A. run
B. running
C. being run
D. to run

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24.  The flu is believed _______ by viruses that like to reproduce in the cells inside the human nose and throat.

A. causing
B. being caused
C. to be caused
D. to have caused

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23.  Have you ever asked him the reason ______ may explain his absence?

A. why
B. when
C. that
D. what

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22. ______ is well known to all, too much stress can cause disease.

A. Which
B. It
C. That
D. As

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第一节  语法和词汇知识(共15小题;每小题1分,满分15分)

21. I think ___ good knowledge of English is ___ great help when you are traveling around the world.

A. x; a
B. a; a
C. a; the
D. a; x

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85.  My girlfriend said my breath and clothes smelt and the ends of my fingers were turning yellow.

__________

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