In fact,one mould can produce many thousands of articles before it wears out.
In fact,one mould can produce many thousands of articles before it wears out.
A、事实上,一个模具的磨损需要生产出成千上万的产品。
B、事实上,一个模子生产成千上万件产品之后才会破坏。
C、事实上,一个模具可以在磨损前生产出成千上万的产品。
D、事实上,一个模子通过生产成千上万件产品的磨损之后才会被破坏。
【正确答案】:B
【题目解析】:p63
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