求助英语系高才生!(精读书上的题)

来源:百度知道 编辑:UC知道 时间:2024/06/15 00:37:26
none of their new products have sold well,___?
a.haven't they b.have they
this area is often __as China's Silicon Valley
a.known b.referred to
the American expression"burning your bridges" means acting in ___way that you destroy any chance to turn back or change your action
a.a b.such a
On TV every taxi driver looks as if he had nothing __to drive 90 miles an hour trying to keep up with another car ,often in pouring rain.
a.more to do but b.better to do than
这四题的答案应该是a,b,b,b如果答案一致的话,请告诉我为什么,谢谢!

1.反意疑问句中,前否后肯,前肯后否,此句中虽然有none,但不作否定之用
2.是说这个地区被认为是中国的硅谷,而known是说已经被公认,refferred to没有公认的意思,而且从语感来看也是用reffered to
3.such....that....是固定用法
4.表示没有更好的办法