Remember to think actively as you listen in class, ____ you may fall asleep.A．bu
题型：不详难度：来源：
| Remember to think actively as you listen in class, ____ you may fall asleep. |
答案
| C |
解析
试题分析：考查连词：A. but但是B. and并且C. or 否则D. so因此，句意：记得上课时要积极地思考，否则会睡着。选C。
点评：连词的辨析要放在上下文总进行，同时要注意一些形式相近的连词的词义辨析。这几个都是常考的连词。 |
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