题目内容
1.Take three tabletstwice a day after meals for a week.(two)分析 每天饭后两次,每次吃三片,持续一个星期.
解答 答案:twice.
这里是医生嘱咐吃药,Take three tablets吃三片,a day 表示一天,空格处是表示一天吃几次,所给的是基数词two二,两次是twice,表频率.故答案是twice.
点评 twice两次,两回;两倍,是一个副词.
如:1.两次,两回 He comes to work twice a week.他每周来上两次班.
2.两倍 The dining-room is twice as big as the kitchen.餐厅是厨房的两倍大.
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