只有提高人民警察的政治素质，才能正确而充分地发挥公安机关的职_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题判断题

只有提高人民警察的政治素质，才能正确而充分地发挥公安机关的职能和作用，才能始终保持公安机关的性质，才能保持公安队伍的纯洁性，使公安机关掌握在可靠人员手中。( )

答案

参考答案：错

改错题

短文改错
此题要求改正所给短文的错误。对标有题号的每一行作出判断：
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。

I will never forget my first job. It was three years before
that when I finished entrance examination. Since
I had nothing to do this summer, I decided to find
the job and taste the joy of independence(独立). I
worked eight hour a day, six days a week. The work
was neither difficult nor heavy and I got well with
everyone. I did very good until I left. I was
very happy because I learn a lot from the work.
The most excited thing was when I began
to understand that my parents had done for me.

1. _____
2. _____
3. _____
4. _____
5. _____
6. _____
7. _____
8. _____
9. _____
10. _____

选择题

下列关于合金的叙述正确的是（　　）

①具有金属的特性②通过熔合而成③含有两种或两种以上金属（或金属与非金属）④一般来说，合金的熔点比各成分金属的熔点都低．

A．①②

B．③④

C．②③④

D．全部