2. 外语
  3. Please ______ from smoking until the aeroplane is airborne.

Please ______ from smoking until the aeroplane is airborne.

admin2010-05-25  99
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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