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问题 单项选择题

操作规程主风机系统操作指南部分，烟机轮盘温度主要由如下方法进行控制：（）。

A.轮盘吹汽蒸汽量

B.轮盘吹汽温度

C.烟机入口温度

D.烟机转速

答案

参考答案：A

选择题

Not all ads are used to promote a product or to increase a company’s profits. Which is the following statement correct?

A．All the ads are used to promote a product or to increase a company’s profits.

B．Neither of ads are used to promote a product or to increase a company’s profits.

C．Some of ads are used to promote a product or to increase a company’s profits.

D．None of ads are used to promote a product or to increase a company’s profits.
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单项选择题

研究表明，与学生的知识学习显著相关的是（）。

A．教师表达的清晰度

B．教师思维的流畅性

C．教师人格特征

D．教师期望
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