If the elevator______, press this button and someone from the maintenance department will respond to the emergency as soon as po

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问题 If the elevator______, press this button and someone from the maintenance department will respond to the emergency as soon as possible.

选项 A、breaks down
B、stays in
C、turns out
D、calls up

答案A

解析 根据上下文语义,此处意为“电梯出故障时,按下按钮就会有人应答”,应选择意为“出故障”的动词短语,故(A)breaks down为正确答案。(B)stay in意为“留下”,(C)turn out意为“出现;变成”,(D)call up意为“唤醒;唤起”。
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