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单选题 交通银行
2016-05-07

Passengers can__________the amount of light they receive by using the black switch located on their overhead panel.

A.supervise
B.control
C.exchange
D.trade

参考答案

B

答案解析

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。