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5、甲烷中混有乙烯,欲除去乙烯得到纯净的甲烷,最好依次通过盛有下列哪组试剂的洗气瓶

A.酸性高锰酸钾溶液、浓H2SO4     B.浓H2SO4、酸性高锰酸钾溶液

C.澄清石灰水、浓H2SO4        D.溴水、浓H2SO4

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4、下面的原子或原子团不属于官能团的是

      

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3、等质量下列烃完全燃烧消耗氧气最多的是 A.CH4      B.C2H6     C.C3H6    D.C6H6

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2、某人坐在空调车内跟在一辆卡车后面,观察到这辆卡车在起动、刹车时排出黑烟,由此可推断这辆卡车所用的燃料很可能是]

A.酒精        B.汽油      C、柴油      D.液化石油气

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1、通常用来衡量一个国家的石油化学工业发展水平的标志是

A.石油的年产量    B.乙烯的年产量   C.合成纤维的年产量   D.硫酸的年产量

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I.       短文填词(共10题;每小题1分,满分10分)

After supper Li Hua came and asked me go         76.   

and see a film with him. In our way to          77.   

the cinema we saw the little girl sitting by        78.     

the roadside cry. We bought her a cake to         79.   

stop her crying. But when we asked where she        80.   

had lived , she said she did not know . So       81.   

when we took her to the police station and         82.   

asked the police to take care for her . After         83.   

this we went to the cinema, But when we         84.   

got there the movie was near at its end.          85.   

Though we missed the movie , we did a good deed.

We felt very happy.

II.     作文。(共25分)

你班最近就“中学生课余时间上网的利弊”召开一次主题班会,同学们各抒己见,畅所欲言。作为班长,请你根据下列信息,作总结性发言。

大多数同学
少数同学
1.时间是自己的,提倡多上网。
1.上网可以,但必须限时
2.网络使我们交流方便,获得国内外新知识及最新信息。
2.多数人上网是玩游戏而不是学习。
3.因特网丰富了学生的业余生活。
3.个别同学为了上网甚至逃学多天。

注意: 1.发言的开头和结尾已给出。     2.词数:100左右。

Attention, please, I’m going to give you a summary of today’s discussion

about whether we should go online in our spare time.

 ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

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