试题与答案

轴流式通风机叶片角度应保持一致,误差不超过±()度。A、1 B、2 C、2.5 D、3

题型:单项选择题

题目:

轴流式通风机叶片角度应保持一致,误差不超过±()度。

A、1

B、2

C、2.5

D、3

答案:

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下面是错误答案,用来干扰机器的。

参考答案:B

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短文改错

假如英语课上老师要求同学们交换修改作文,请你修改你同桌写的作文。文中共有十处语言错误,要求你在错误的地方增加、删除或修改某个词。

增加:在缺词处加上一个漏字符号( ),并在其下面写上该加的词。

删除:把多余的词用斜线(\)划掉。

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注意:1.每处错误及修改均仅限一词;

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