第6题: [单项选择]Mr. Brown’’s condition looks very serious and it is doubtful if he will_______. A. pull back B. pull up C. pull through D. pull out 参考答案:C 答案解析:本题译文:布朗先生的情况看来很严重,能不能撑过去还是个问题。本题考查动词短语含义辨析。四个选项都是pull的词组,但只有C,pull through有“渡过难关,恢复健康”的意思,例如:They we