题目内容

There are many kinds of metals, ______.
A.each having its special properties
B.having its special properties
C.one has its special properties
D.each has its special properties
A
本句考察独立主格结构。B没有主语;逗号不能连接两个独立完整的句子,因此排除C,D;只能选A。句意为“金属有很多种,每一种都有它的特性。” 
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