2．有机物系统命名的名称为(　　 )

A．3-甲基-4-乙基-2-己烯　　 B．3，4-二乙基-2-戊烯

C. 4-甲基-3-乙基-2-己烯　　 D．3-甲基-4-乙基-4-已烯

1.如图所示，一端封闭的U形管，封闭着的一端有一段CH₄和Cl₂

的混合气体，在水平部分有一段气柱，其他两段为液体，已知

液体与气体不反应，使CH₄和Cl₂在稍暗的光线下缓慢反应，

则中间气柱的长度的变化情况是(假设中问气柱未移出U形管

的水平部分)　　 (　　 )

A.变大　 B．变小　　 C．不变　　 D．难以确定

第三节:写作(满分25分)

目前, 不少人在写作与交流中喜欢使用网络语言, 有时讲汉语时还夹杂着英语, 如PK等。就此现象, 你班最近举行了一场讨论。请根据下表的提示, 客观的介绍讨论情况及你的观点。

1. 词数：100-120, 开头已经写出(不计入总词数)。

2. 可根据内容要点适当增加细节, 以使行文连贯。

3. 参考词汇：荒诞ridiculous

Nowadays, with the development of the Internet , there came a kind of language called Web Language.

第二节：单词拼写(共10小题；每小题1分，满分10分)

1.　　　　 You weren’t at school yesterday. Will you explain your a_____?

2.　　　　 The policemen _________(包围) the man who had stolen the car.

3.　　　　 Then the doctor _________(通知)the family that there was no hope for his recovery.

4.　　　　 You can _________(祝贺)yourself on having such good exam result.

5.　　　　 The cake c_______ of flour, butter, eggs and sugar.

6.　　　　 In the next few years, computers will become much _________(便于使用的).

7.　　　　 He d________ 100, 000yuan to the Hope Project for these whose cannot afford their education.

8.　　　　 You are not p_________to work if you are on a student visa.

9.　　　　 Gene-therapy is very controversial and many people _______(反对)further research into it.

10.　　 I was r_____ of my cash and cheque-book on the way home.