问题
选择题
--These days I can only sleep for four or five hours at night as I’m too busy with my research work.
--If you keep going on like that, you are sure to ______ sooner or later.
A.break down
B.get down
C.calm down
D.put down
答案
答案:A
考查短语辨析。“现在,我只能睡四五个小时,因为我忙于我的研究工作。”“如果你继续那样的话,你一定早晚会垮掉的。”A“(身体)垮掉,分解,出毛病”;B“使沮丧”;C“平静下来”;D“写下, * * ”。故选A。