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21. In face of _______ failure,  it is most important to keep up _____  good state of mind.

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

【解析】选B。 failure作“失败”讲时为不可数名词，前面不加冠词。keep up a good state of mind 固定短语 “保持好的心态”。

22._______ the most important thing in your life?

A. Do you think what is            B. What do you think is

C. What is your think               D. What is do you think

【解析】选B。句意为：你认为在你一生中最重要的事情是什么?do you think为插入语，常放在特殊疑问词之后。

23. As we all know,  NBA _____ National Basketball Association.

A. is short of                               B. in short

C. for short                                 D. is short for

【解析】选D。句意为：众所周知，NBA是美国篮球联盟的缩写。be short for……的缩写，为固定短语。be short of 缺少……;in short 总之，简言之;for short简称(作状语，放句末)。

24. —You can ask Thomson for help;  he is the president of that school.

—It’s said that he is _______ the president and can’t help me _______ .                                                  [2010晋中高一检测]

A. no longer;  any more         B. not any longer;  no more

C. no longer;  no more            D. no more;  no longer

【解析】选A。答语句意为：据说他已经不是校长了，再也不能帮助我了。no longer/not. . . any longer 表示时间上不再……;no more/not. . . any more表示次数上不再……。

25. The boy _____ forward to _______ a new bike.

A. referred to look; buying

B. referred to looking; buy

C. referred to is looking; buying

D. referring to look; buy

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