问题 单项选择题

事故的发生是两类危险源共同作用的结果,第一类危险源是事故发生的( ),第二类危险源的出现是第一类危险源导致事故的必要条件。在事故的发生和发展过程中,两类危险源相互依存,相辅相成。

A.原因

B.前提

C.基础

D.主体

答案

参考答案:B

改错题

短文改错(共10小题;每小题1.5分,满分15分)

此题要求改正所给短文中的错误。对标有题号的每一行做出判断:如无错误,在该行右边横线上画一个勾(√);如有错误(每行只有一个错误),则按下列情况改正:

该行多一个词:把多余的词用斜线(﹨)划掉,在该行右边横线上写出该词,并也用斜线划掉。

该行缺一个词:在缺词处加一个漏字符号(∧),在该行右边横线上写出该加的词。

该行错一个词:在错的词下划一横线,在该行右边横线上写出改正后的词。

注意:原行没有错的不要改。

Dear Sir,

How are you? As an exchange student, I am writing to       小题1:_______

tell you I would prefer to move into a single room in next     小题2:_______

term, as I found it inconvenient to share a room with others.  小题3:_______

My roommate often holds parties at night, made much noise. 小题4:_______

Besides, his friends are always visiting him, that disturbs me  小题5:_______

a lot. So I hope to draw your attentions to this problem. If     小题6:_______

you think in my position, I am sure he will agree that the      小题7:_______

only solution for me is get a room of my own, one not in the   小题8:_______

same building and as near to the school campus as possible.   小题9:_______

I would be thankfully if you could do me the favor.           小题10:_______

Yours sincerely,

Li Ming