题库
题库
A．since
B．when
C．unless
D．before
| 单选题 | 查看答案 | |
| 单选题 | The government of China is trying to reduce ______. | 查看答案 |
| 单选题 | 查看答案 | |
| 单选题 | 查看答案 | |
| 单选题 | We should show respect ___ nature, because man depends on nature to survive. | 查看答案 |
| 单选题 | Scientists say it may be five or six years ________ it is possible to test this medicine on human patients. | 查看答案 |
| 单选题 | The best title for this passage can be _______________________. | 查看答案 |
| 单选题 | 10 percent of the workers in Britain are being deafened because _______ . | 查看答案 |
| 单选题 | 查看答案 | |
| 单选题 | There have been several events ____ to the program for the 2008 Beijing Olympic Games . | 查看答案 |
| 单选题 | 查看答案 | |
| 单选题 | 查看答案 | |
| 单选题 | When Blustering turned red and refused to be searched, all people thought _____________. | 查看答案 |
| 单选题 |  |
查看答案 |
| 单选题 | Most people feel nervous about speaking in ___, especially making a formal speech to ____. | 查看答案 |
| 单选题 | 查看答案 | |
| 单选题 | The word “this” at the end of the passage refers to __________________. | 查看答案 |
| 单选题 | ___________ is often the case, we have worked out the production plan. | 查看答案 |
| 单选题 | 查看答案 | |
| 单选题 | When I walked past the teachers’ office, I saw my father ____with Mr. Wang. | 查看答案 |