新东方的两题，多多帮忙

tantan

1.(As it becomes more frequent to have spouses who both work outside the home), companies are begining to help in firding new employment for the sppouses of transferred employees.

A. It becomes more frequent to have couples both working outside the home.

B. It becomes more common for both husband and wife to work outside the home.

My answer is A. The correct one is B.Why A is not correct?



2. The grouth of the railroad led to the abolition of local times, (which was determined by then the sun reached the observer's merdian and differing )from ciry to city, and to the establishment of regional time.

A. which were determined by when the sun reached the obsever's merdian and differing

B. determined by when the sun readhed thge observer's merdian and differing

I choose the which clause, answer is B, why can not use which clause?


Thanks.

tantan

tongxun

1. the main point of A and B is different.
A: have couples
B: couples work outside the home.

2.if you chose A, the sentence would be expressed as which were differing.....
However, it expresses an ongoing condition.

tantan

谢谢，有点明白。你对第二个问题的解释是不是指用WHICH 从句使得句子重心发生改变？

tongxun

不是。是让两个词同时用了一个系动词WERE，导致后者呈一中进行时态，这是不符合句义的。

tantan

终于彻底懂了。致谢。[em02]