题目内容
The language used to talk about language is called metalanguage. ()
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As Americans are eating second-rate foods of more or less the same kind, they are actually eating the way hogs used to be fed by their ancestors. ()
Asian teachers place a lot of importance on the qualities that make each student special. ()
According to Mr. Roper’s survey, radio ranks third among the major forms of mass media in terms of popularity. ()
感光材料的乳剂层是由()组成的。
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