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基础考法
能力考法
【典型例题1】(2017·全国Ⅰ卷)Fast food is full of fat and salt;by (eat) more fast food people will get more salt and fat than they need in their diet. 解析:考查动词-ing形式。设空处做介词by的宾语,要用动词-ing形式。故填eating。 考法总结空格前有介词by,提示词为eat,由此可知此处应用动词-ing形式做宾语。