【题型设置】
单选20题，每小题0.5分
【试题分析】
今年选择题大多是考察语法、词义辨析等，对单词的要求相对较低。很多同学收到了往年试题的影响，将复习重点放在单词书，对语法等的复习较少，最后导致选择题的得分不高。因此小编建议大家在复习的过程中，要注意语法的分析，不需要花费过多的时间，掌握基本的语法就可以应对考试。
【模拟演练】
1. It was nearly an hour ____the sleeping pill ______effect.
A. when; took B. before; took C. since; had D. before had
2. Our TV sets sell well, but ten years ago no one could have imagined such a big share in the market that they ____.
A. were having B. had had C. were to have D. had
3. Bird flu , a contagious disease of animals , is believed by viruses that normally infect only birds and less commonly pigs , and rarely humans .
A．caused B．being caused C．to be caused D．to have caused
4. He has got himself into a dangerous situation ______ he is likely to lose control over the plan.
A. where B. which C. where D. why
5. ______, the concert began.
A. The listeners having taken their seats B. Having taken their seats C. Having taken their places D. Taking their seats
【答案详解】
1. B. It is+一段时间+before…表示“过了….才…”take effect 表示（药等）见效；（法规等）生效
2. C十年前没有想到将来会占有这么大的市场份额 were to have
3. C. 是由病毒造成的…
4. C. Where he is likely to lose control…关系副词where 引导定语从句修饰situation境地。
5. A. 独立主格做状语。主语concert 不可能执行take the seat 这一动作，必须加the listeners 做逻辑主语
