3.当1<x<3时,化简
的结果是 ( )
A. 2 B. -2 C.
D.
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2.若x≤-3,则
的值是 ( )
A. 4-x B. –4-x C. x D. -x
1.当a<2时,
= ( )
A. 4-2a B. 0 C. 2a-4 D. –2a
10. It’s obvious that the Beijing Olympic Games a great seccess.
A.kept B.showed C proved D.remained
9. Hard work and lack of sleep have _____ her beauty and youth in recent years.
A. worn out B.tried out C made out D.sent out
8. His colleagues ______ him though he himself didn’t think he had done anything special.
A. thought highly of B. looked up to
C. sing high praise of D. show great respect for
7.My daughter is not sure what to_______ at the university; she can’t make up her
mind about her future.
A. take up B. make up C. pick up D. build up
6. Asked suddenly about the matter ,he couldn’t_____an answer at once.
A. come up with B. look for C. put up with D. answer for
5. The shop assistant was fired as she was _________ of cheating customers.
A.accused B.charged C.blamed D.caught
4. Though we _________serious natural disasters, we are sure to overcome all difficulties.
A. give away B. affect with C. suffer from D. deal with
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