帮忙解释下这题， 觉得先前贴子上得解释不好， 谢谢了

spoiledgirl

Employment costs rose 2.8 percent in the 12 months that ended in September, slightly (less than they did )in the year that ended in the previous quarter.

A.    less than they did
B.    less than it did
C.    less than they were
D.    lower than
E.    lower than they were

答案是 a， 还有啊， less 和lower 应该怎么区别使用啊。



额外求教一个与发点， according to 放句首的话， 需不需要考虑逻辑主语的？

snail007

less than they did= less than employment costs rose

they指代costs
did 是 rose相应的助动词

Employment costs rose 2.8 percent in the 12 months that ended in September, slightly (less than they did )in the year that ended in the previous quarter.

A.    less than they did
B.    less than it did
C.    less than they were
D.    lower than
E.    lower than they were

答案是 a， 还有啊， less 和lower 应该怎么区别使用啊。
额外求教一个与发点， according to 放句首的话， 需不需要考虑逻辑主语的？

-- by 会员 spoiledgirl (2010/1/2 0:14:54)

spoiledgirl

嗯， 好的， 谢谢～～～