Please ______ from smoking until the airplane is airborne.

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问题 Please ______ from smoking until the airplane is airborne.

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

答案C

解析 在飞机降落前请勿吸烟。A.resist表示“忍住,顶住”时,一般直接接名词或动名词,例如:He could hardly resist laughing.他实在忍不住要笑。B.prevent可用于prevent sb.from doing sth.结构,表示“阻止某人做某事”,例如:We wereprevented by heavy smog from seeing anything.浓雾使我们看不到任何东西。C.refrain为不及物动词,一般与介词from搭配,表示“忍住不做……”,“抑制住不……”,着重表示“节制”,为正确选项。例如:He refrained from commenting.他忍住没有妄加评论。D.restrain也可表示“克制,抑制……不……”,但一般用于restrain sb.from doing sth.结构,例如:He had to be restrained from hitting the man.他得克制住自己不去打那个人。注:airborne意为“在飞行中,空降的”,该句意为在飞行过程中不能吸烟,这里用refrain fromdoing结构合适,选C。
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