单选题
中国银行
2016-05-06
Passengers can__________the amount of light they receive by using the black switch lo-cated on their overhead panel.
A.supervise
B.control
C.exchange
D.trade
参考答案
B
答案解析
【答案】B。解析:句子表示“使用开关调节光度”,因此动词B意为“调节,控制”为正确答案。
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