Please ______ from smoking until the aeroplane is airborne.

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问题 Please ______ from smoking until the aeroplane is airborne.

选项 A、refrain
B、prevent
C、resist
D、restrain

答案A

解析 动词辨析题。A  refrain from doing sth.表示“制止,克制”;B  prevent from doing sth.表示“阻止,妨碍”;C  resist为及物动词,意为“对抗,阻止”;D  restrain sb. /sth.from doing sth.表示“控制,抑制”。因此,A  refrain为正确答案。
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