单选题

132、Lack of sleep has ______ her concentration.

A

deconstructed

B

impaired

C

demonstrated

D

repaired

参考答案  
B
题目详解:

缺乏睡眠(损害)了她的注意力。

A. deconstructed 解构, 拆析

B. impaired 损害,削弱

C. demonstrated 展示; 显示; 论证

D. repaired 纠正; 补救
198****8557
repaid纠正 补救
198****8557: repaired 纠正
158****6118
deconstructed结构,拆析 impaired损害,削弱
150****5670
impaire 损害,削弱