题目内容
The material appears to be iron at ________ first sight because of its colour, but actually it is made of ________ wood．
[ ]
A．/; /
B．the; the
C．the; /
D．/; the
答案：A
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题目内容
The material appears to be iron at ________ first sight because of its colour, but actually it is made of ________ wood．
A．/; /
B．the; the
C．the; /
D．/; the