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问题 单项选择题

报请于×省人民政务的公文“《×市人民政府关于治理X河水质污染问题的报告》”的作者应是（）。

A、×省人民政府

B、×市人民政府

C、×市环保局

D、×市×河水质污染问题调查处理小组

答案

参考答案：B

改错题

假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的一下作文。文中共有10处语言错误，每句中最多有两处。错误涉及一个单词的增加、删除或修改。

增加：在缺词处加一个漏字符号∧，并在其下面写出该加的词。

删除：把多余的词用斜线（\）划掉。

注意：1. 每处错误及其修改均仅限一词；

2. 只允许修改10处，多者（从第11处起）不计分。

Dear Mr. and Mrs. William，

I've learned that you are interested in Beijing Opera, so I've come to give you two ticket for tomorrow evening's Beijing Opera at Mei Lanfang Theater. But it's real a pity that you happened to be out. So I have to leave the tickets with this note. The  opera will be put on by some famous actors or actresses. He is well worth watching. By the way, I've read the two books you lent me, that are very interested. This week, I am busy review my lessons in order to pass the final exams. I'm afraid of that I can't go to the Opera together with you.

I hope you will have good time.

Yours，

Li Ming
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单项选择题

制造简单、价格低廉、材料能被充分利用、密封性能较好、在石油化工工艺管道上被广泛应用的垫片为( )。

A．橡胶石棉垫

B．齿形垫片

C．缠绕式垫片

D．塑料垫片
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