题目内容
1.在春季可以使用什么方法来提防感冒?What method can be used to guard against catching a cold in spring?.
分析 What method can be used to guard against catching a cold in spring?
解答 答案:What method can be used to guard against catching a cold in spring?这里是说客观事实用一般现在时,是一个特殊疑问句,疑问词是what method表示什么办法作为主语,是动词use使用的承受者,两者构成被动关系,情态动词can表示能,可以故这里用情态动词的被动语态-情态动词+be+过去分词,故can be used,后加动词不定式to do,实则是be used to do sth表示被用来做什么,预防用短语guard against,后加动名词短语catching a cold表示感冒,加上时间状语in spring,故答案是What method can be used to guard against catching a cold in spring?
点评 这里是be used to do sth的用法,要与be used to doing sth表示习惯于…区分开.
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