When your computer begins to run slow, it is a ______ that it has been attacked

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When your computer begins to run slow, it is a ______ that it has been attacked by computer virus.      [     ]
A. signal
B. symbol
C. reality
D. character

答案

举一反三

There were not so many _____ in the ancient Olympic Games as ______ today.     [     ]
A. events; are
B. competitions; there have
C. events; there are
D. competitions; there are

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If you want to do well in a examination, you had better get yourself into your best ____just before it.   [     ]
A. condition
B. state
C. situation
D. position

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If you want to be a creative writer, you have to form your own ______ of writing.     [     ]
A. manners
B. style
C. type
D. ability

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People with different personalities have different learning styles. Some learn best by _____ and
error; some learn best by listening and seeing.     [     ]
A. doing
B. trial
C. try
D. testing

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—How much did you spend on such a nice jacket?
—About 5 dollars.
—What a _____! I thought it would cost 20.

[     ]
A. price
B. buy
C. bargain
D. cheat

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