单选题
中国银行
2016-05-07
The advertisement for the security guard position says that applicants must be able to re-main __________ for six hours straight.
A.alert
B.observable
C.discovered
D.obvious
参考答案
A
答案解析
【答案】A。解析:选择恰当的词汇填入动词“remain”之后的补语的位置。“remain”后面主要接表示状态的形容词,作为招募警卫员的广告,填入空格为“警戒的”形容词最为恰当。
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