You will fall behind others you work hard．( )A．ifB．unlessC．thoughD．since 题目和参考答案——青夏教育精英家教网—

题目内容

11．You will fall behind others you work hard．（　　）

A．

B．

unless

C．

though

D．

since

分析除非你努力学习，要不你就会落在别人后面．

解答答案B if如果；unless除非，相当于if…not…；though虽然；since自从…以来．本题可以变为：If you don't work hard，you will fall behind others．所以本题要用unles来引导．故选B．

点评首先要掌握这几个连词的意思，然后根据具体的题意做出正确选择．

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