英国工业革命开始于19世纪60年代的毛纺织业。[ ]
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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
请你从直尺、直角三角板、长纸条、大头针、圆铅笔中,选择合适的仪器和工具来测量一圆锥体的高.