13.The distinguishing feature of a fluid, in contrast to a solid, is the ease ______.
(A) that a deformed fluid
(B) to deform a fluid
(C) when a fluid that is deformed
(D) with which a fluid may be deformed
答案是D。我的疑问是:为什么不是B呢,to deform a fluid可以做the ease的后置定语啊。
39.The major economic activities of Cheyenne, Wyoming, include transportation, chemicals, tourism, but governmental activities.
答案是D。我不太明白,这里but用错了吗?应该怎么改呢?我记得以前看到过一句句子是:He can be everyone but a teacher.这两句中的but有什么不同吗?
请大侠们赐教啊!!谢谢啦!! |