We have no figures on the number of workers employed in the ______ stages of iron production.

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问题 We have no figures on the number of workers employed in the ______ stages of iron production.

选项 A、various
B、variable
C、varied
D、variant

答案A

解析 various意为“不同的”,指不止一个的、多种的;variable意为“易变的”,指可能变化或改变的;varied意为“多变的”,指具有或由许多种类和形式组成的; variant意为“不同的”,指具有或表现出变化的。所填之词修饰stages,并且根据空格后面的iron production可知,应该选用various。
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