题目内容
(2013·重庆，25)________ we have enough evidence，we can't win the case.
| A．Once | B．As long as | C．Unless | D．Since |
C
解析考查状语从句。根据句意：除非我们有足够的证据，否则这个案子我们不能取胜，可知选C。
We hope that as many people as possible join us for the picnic tomorrow.
| A．need | B．can | C．must | D．should |
The explorers failed to find the cave because it was not located they had expected it to be.
| A．which | B．that | C．where | D．what |
I cannot hear the professor clearly as there is too much noise _____ I am sitting.
| A．that | B．where | C．who | D．what |
I like the book so much that I'll buy it, _______.
| A．no matter how it may cost | B．how may it cost |
| C．how much may it cost | D．however much it may cost |
Please call my secretary to arrange a meeting this afternoon, or ______ it is convenient to you.
| A．whenever | B．however | C．whichever | D．wherever |
Too high house prices can be brought under control the authorities introduce a series of regulatory policies.
| A．even if | B．as if |
| C．so that | D．provided that |
________the American economy expanded at an annual rate of 2.5 percent in July—September, it faced a long road to recovery.
| A．Since | B．If |
| C．While | D．When |
(2013·湖南，23)You must learn to consult your feelings and your reason________you reach any decision.
| A．although | B．before | C．because | D．unless |