Question

The teacher explained a second time,           the students should have difficulty in doing the experiment.

A．although

B．in case

C．so that

D．but

Answer 1

B

試題分析：句意:老師又解釋了一次，以防學生們在做實驗時有困難。Although盡管；in case萬一；so that以便；but但是。根據句意故選B。
點評：本題難度適中。判斷從句中用哪個連詞，需用記住連詞的用法，在句中的作用，連詞也是高考的熱點，需要考生平時多練習。需要考生會分析句子成分理解句意。
即學即練：—Why were you absent yesterday?
—I caught a cold,___________I had been walking around in the rain. A.but       B.so       C.and       D.for
解析：D�？疾楸硎揪売傻倪B詞。for在這里表示補充原因，因此選D。