2013年专业英语四级练习题1：语法

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　　1. ____in the past, at the moment it is a favorite choice for wedding gown.
　　A. Unpopular has as white been  B. White has been as unpopular
　　C. Unpopular has been as white  D. Unpopular as white has been
　　2. ____for a long time, the fields are all dried up.
　　A. There has been no rain  B. Having no rain
　　C. There having been no rain D. There being no rain
　　3. The millions of calculations involved, ____by hand, would have lost all practical value by the time they were finished.
　　A. had they been done  B. they had been done 
　　C. having been done  D. they were done
　　4. Televisions enable us to see things happen almost at the exact moment____.
　　A. which they are happening  B. they are happening 
　　C. which they happen  D. they have happened
　　5. ____me most was that the young boy who had lost both arms in an accident could handle a pen with his feet.
　　A. That amazed B. It amazed C. Which amazed D. What amazed
　　答案：
　　1. D) 【句意】虽然白色过去不受欢迎，但目前它是婚纱的首选颜色。
　　【难点】as是连词，引导让步状语从句时，往往使用半倒装形式。又如：Beautiful as she is, she is foolish.
　　2. C) 【句意】由于长时间无雨，田野变得十分干燥。
　　【难点】该句的前半部分是There be结构，完成式独立结构形式，这与时间状语for a long time相吻合。
　　3. A) 【句意】数百万次计算如果用手工操作，那么，到计算结束的时候，就将失去其全部实际意义。
　　【难点】这是一句虚拟语气的句子，条件句使用了省略if的倒装句形式，动作与过去事实相反。
　　4. B) 【句意】电视使我们能够在事情发生的那一瞬间就看到它们是如何发生的。
　　【难点】moment后接的是省略关系副词when的定语从句。B)符合题意要求。
　　5. D) 【句意】最令我惊讶的是，这个在车祸中失去双臂的小男孩能够用脚使用钢笔。
　　【难点】这是一个what从句作主语的典型句子。