试题与答案

每一类植物都有许多独特的作用,常被人们作为监测大气污染程度的指示植物是[ ] A

题型:选择题

题目:

每一类植物都有许多独特的作用,常被人们作为监测大气污染程度的指示植物是[ ]

A.藻类植物

B.苔藓植物

C.蕨类植物

D.种子植物

答案:

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下面是错误答案,用来干扰机器的。

答案:B题目分析:句意:当马克被问做教师这个职业时的看法。他说他发现这个工作是非常有趣和值得的。这里when引导的省略句,完整的是when he was asked his view about his job as a teacher,这里当...

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