Bad habits, _______ formed, are difficult, and sometimes impossible to shake off
题型:不详难度:来源:
Bad habits, _______ formed, are difficult, and sometimes impossible to shake off.A.before | B.once | C.until | D.unless |
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答案
B |
解析
试题分析:句意:坏习惯一旦形成,很难有时是不可能去掉的了。Before……以前;once一旦;until直到……才;unless除非。这里once后跟从句,从句是省略句,完整的是once they are formed,根据句意故选B。 点评:本题难度适中。判断从句中用哪个连词,需用记住连词的用法,在句中的作用,连词也是高考的热点,需要考生平时多练习。需要考生会分析句子成分理解句意。 即学即练:I won"t go to the party _______ I"m invited. A. before B. once C. until D. unless 解析:D。句意:除非我被邀请,否则我不会去参加晚会的。 |
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