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问题 单项选择题

否定一种理论的方法是（）。

A.经验法

B.推理法

C.逻辑批判法

D.实证法

答案

参考答案：C

选择题

根据如图的信息判断，下列说法正确的是（　　）

A．硫属于金属元素

B．硫离子的核外电子数为16

C．硫原子的相对原子质量为32.07g

D．在化学反应中，硫原子容易失去电子
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改错题
短文改错
此题要求改正所给短文中的错误。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：
此行多一个词：把多余的词用斜线(\)划掉, 在该行下边横线上写出该词, 并也用斜线划掉。
此行缺一个词：在缺词处加一个漏字符号(∧), 在该行下边横线上写出该加的词。
此行错一个词：在错的词下划一横线, 在该行下边横线上写出改正后的词。
注意：原行没有错的不要改。
For the final speaker here today,  I would like to
share you some of the conclusions of our research. We
wanted to know that the Internet would become the most
popular source of news for people. They have found that
although the Internet has become increasing popular,  
the number of people which get news from the Internet
compares to the radio or television is still small. While the
Internet was a popular tool,  it is still not as easily accessible
as newspapers,  television and the radio is,  and due to
the amount of uncontrolled information on the Internet,    
people do not always trust the news they find it online.		1. _____
2. _____
3. _____
4. _____
5. _____
6. _____
7. _____
8. _____
9. _____
10. _____
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