A：Cl- 和NO3-一定来自不同的工厂
B：SO42- 和NO3-可能来自同一工厂
C：Ag+ 和Na+ 可能来自同一工厂
D：Na+ 和NO3-一定来自同一工厂
( A )
Report Card
Name: James Smith
Time: January 24th, 2015
Subjects
Grades
Comments(评语)
English
B＋
Your reading and writing are good. But you have a strong accent(口音), so you are not good at speaking. And you do not put much effort into this subject. If you work hard, you can get a better grade in this subject.
Physics
A＋
You are good at this subject. You are hardworking. I am glad that you do best in this subject.
Math
C
You like this subject. But you are not good at this subject because you are a little lazy. It is disappointing.You can do better if you try your best.
Music
B
It is a happy thing to hear you play the piano. You are crazy about music. Although you like this subject best, your accent has a bad influence on your singing.
阅读以上成绩单，根据表格内容完成以下问题
中国有近5亿网民,网民参与政治的普遍性和不受控制性,使得网络监督无时不在、无处不在,俨然一张群众监督的“天网”。网民通过互联网发表意见和建议,行使民主监督权利,推动网络舆论的形成,使虚拟的网络变成现实监督的平台。这表明网络监督（ ）
①成为有力推动民主政治建设,促进社会民主进步的平台
②成为有效制约和监督权力,切实消除腐败现象的关键
③为公民直接参与民主监督提供了更为有效的渠道和方式 ④成为公民有序参与政治生活,防止权利受约束的途径
kè 上____ ____人
zuò ____位 ____下
jiāo ____给 ____书
yè ____面 ____色 作____
xī ____方 笑____ 休____
