Experts are trying to work out a plan to deal with the problems caused by global
题型：不详难度：来源：
Experts are trying to work out a plan to deal with the problems caused by global warming _________ it is too late.| A．if | B．before | C．when | D．until |
|
答案
| B |
解析
| 考查连词用法。Before在…之前；在不同句子中的翻译比较灵活。句意：专家正在努力的制定一个在情况变得严重之前来处理由全球变暖导致的问题的计划。 |
举一反三
—What do you think of the music teacher ?
—______ she is an attractive lady, she can be extremely difficult to work with． |
I recognized him_________ I saw him in the crowd.| A．now that | B．in case | C．the moment | D．if |
|
You may use the room as you like ________ you clean it up afterwards.| A．as far as | B．so long as | C．in case | D．even if |
|
| The woman was about to open the door _______ she heard a strange sound from inside. |
| I don’t doubt_______what he said is true. |
最新试题
热门考点