- 试题详情及答案解析
- He had to pause from time to time to wipe the sweat from his forehead, because the air—conditioning system ______________.
| A．broke in | B．broke up |
| C．broke out | D．broke down |
- 答案：D
- 试题分析：考查动词辨析 句意：他不时的停顿擦前额的汗，因为空调系统出故障了。四个选项的意思是：A. broke in闯入，插话，B. broke up 分手，解体，C. broke out 爆发，D. broke down崩溃，破裂，出故障，所以选D。
考点：考查动词辨析