题目内容
Scientists are convinced ________ the positive effect of laughter ________ physical and mental health.
| A．of; at | B．on; at | C．by; in | D．of; on |
D
解析试题分析：第一空考查短语be convinced of的用法，意为：相信。第二空on意为：在……方面。句意：科学家们相信笑对身体和精神健康有积极作用。
考点：考查介词的用法。
阅读快车系列答案Mr. John was so humorous that we had a good laugh ______ the meal.
| A．at | B．over | C．in | D．between |
The job is not very rewarding ________ money, but he is getting valuable experience from it.
| A．in terms of | B．in favor of | C．in case of | D．in charge of |
Your performance in the driving test didn’t reach the required standard---______, you failed.
| A．in the end | B．after all |
| C．in other words | D．in a word |
Do you know that Britain trades many European countries furs and skins?
| A．in; of | B．with; in | C．with; of | D．in; with |
Do you know that Britain trades many European countries furs and skins?
| A．in; of | B．with; in | C．with; of | D．in; with |
---Thank God you’re safe!
--- I stepped back, just _______ to avoid the racing car.
| A．in time | B．in case | C．in need | D．in vain |
All the photographs in this book, ____ stated otherwise, date from the 1950s.
| A．once | B．until |
| C．unless | D．if |