题目内容
19.The class is made __30 boys and 10girls.( )| A. | of | B. | by | C. | from | D. | up of |
分析 翻译:这个班级由30名男生和10名女生组成.
解答 答案:D.be made of 是由…制成(看得出原材料);be made from是由…制成(看不出原材料);be made by 是被…生产的;be made up of是由…组成;根据句意:这个班级由30名男生和10名女生组成,因此该用短语由…组成(be made up of),故选D.
点评 本题考查的是固定短语结构,正确理解其用法是关键.
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