题库
题库
A．gross
B．net
C．positive
D．negative
| 单选题 | A dark suit is preferable _________a light one for evening wear. | 查看答案 |
| 单选题 | A better working environment improves people's performance, and _________ productivity. | 查看答案 |
| 单选题 | A cork will ________ in water, but a stone sinks. | 查看答案 |
| 单选题 | A good newspaper publishes both __________ and foreign news. | 查看答案 |
| 单选题 | A few minutes after the plane had taken off, it _________to the ground, | 查看答案 |
| 单选题 | A friendship may be _________, casual, situational or deep and lasting. | 查看答案 |
| 单选题 | A deputy director will be _________the whole factory next week when the director is away for a month. | 查看答案 |
| 单选题 | A completely new situation will ________ when the examination system comes into exist-ence. | 查看答案 |
| 单选题 | A_________ gain or profit is the actual gain after all working expenses have been paid. | 查看答案 |
| 单选题 | A good teacher must know how to _________ his ideas. | 查看答案 |