第25题: [单项选择]She was ______ her brains to remember the man's time, but her bad memory failed her. A. hitting B. beating C. racking D. exhausting 参考答案:C 答案解析:[试题分析] 词语辨析题,要求学生能够辨认出这几个近义动词的区别。
[详细解答] hit是及物动词,意思是“击,打”;beat是及物动词,意思是“打,战胜”;rack是及物动词,意思是“过度剥削”;