1.Although the weather was very bad the buses still ran on ________.
A) list
B) schedule
C) plan
D) arrangement
2.The situation today is obviously quite different from ________ it was only 50 years ago.
A) such
B) which
C) when
D) what
3.Jane was hit on the head by the robber and was knocked ________.
A) mindless
B) unconscious
C) brainless
D) unaware
4.The traffic was very heavy, otherwise I ________ here 50 minutes sooner.
A) would be
B) should be
C) had been
D) would have Been
答案及解析：
1.原文译文:尽管天气恶劣，但公交车仍然按时出车。
解析：on schedule按预定时间，按时。固定搭配。所以正确答案应该选择B。
2.原文译文:很明显，如今的情况和50年前的情况大不相同。
解析：考点：关系代词、副词的词义辨析。such a. 如此的,这样的，which只能引导定语从句，when引导时间状语从句，what引导名词性从句，在本题中，what引导表语从句。
所以正确答案应该选择D。
3.原文译文:简被强盗击中头部，然后倒了，失去了知觉。
解析：mindless不小心的,不留神的,不顾虑的，unconscious失去知觉的，brainless无头脑的,愚笨的，unaware没有发觉的,不知道的。所以正确答案应该选择B。
4.原文译文:堵车很严重，否则我就早到50分钟了。
解析：对过去情况的虚拟应该用情态动词 have done.所以正确答案应该选择D。