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
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。
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。
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。