4. 解析:选B。考查短语辨析。句意为：我爸爸看足球赛的时候我妈妈总是读书。换句话说，我妈妈对足球不感兴趣。in a word 总之，简言之；in other words 换句话说;in words 口头上；word for word 逐字地。根据句意，答案为B。

3. 解析:选B。考查词义辨析。句意为：我们当中还有许多人不知道很多稀有物种将濒临灭绝，这真是令人尴尬的事。v.-ed形式表示“(人)感到……的”；v.-ing形式表示“(人或事物)令人……的”；embarrassed意为“(人)感到尴尬的”；boring意为“令人厌倦的”；bored意为“(人)感到厌烦的”。根据句意，答案为B。

2. 解析:选A。考查词义辨析。instruction 用法；说明，一般用复数形式；direction方向；explanation解释；introduction介绍，导言。根据句意可知,答案为A。

假如英语课上老师要求同学们交换修改作文，请你修改你同桌写的以下作文。

文中有10处错误，要求你在错误的地方增加、删除或修改某个单词。

增加：在缺词处加一个漏字符号(∧)，并在其下面写上该加的词。

删除：把多余的词用斜线(＼)划掉。

修改：在错的词下划一横线，并在该词下面写上修改后的词。

注意：1. 每处错误及其修改均仅限一词。

2. 只允许修改10处，多者(从11处起)不计分。

It is five years now since I graduate from No.3 High School. Last Saturday, the class that I was on held a get-together, which took us a long time prepare. It was indeed not easy to get in the touch with everybody and set a well time for all of us. We all enjoyed this precious day greatly, remember the time we spent together and the people they were familiar with. It was a pity which some of us were not present as they had gone to abroad for further studies, but they called back or sent greeting card from different places.

Ⅵ. 1. 解析: 选B。考查词义辨析。join的宾语多为“党派、团体、组织”等；attend的宾语多为“会议、仪式”等；enter表示“进入某一场合或团体”；take part in意为“参加集体活动，并在其中发挥一定的作用”。

10. When the bell rang, the students were all sitting on their own seats quietly and looking forward to 　　　　their new Chinese teacher.

A. have seen　　 B. seeing

C. see　　　　　 D. be seen

9. All these new students will be divided 　　　　12 classes. Then these classes will be divided 　　　　the teachers.

A. to; in　　　 B. among; into

C. into; by　　 D. into; among

8. The newly built dining hall, which is 　　　　-will be open to the students next Saturday.

A. as three times large as the old one

B. three times larger than the old one

C. three times of the old one’s size

D. the size of the old one’s three times

7. -Where can I find the 　　　　about the ancient Chinese characters?

-Plenty of sources such as the Internet and libraries can help you.

A. news　　　　　 B. message

C. information　 D. notice

6. The words said by my English teacher at the first class are strongly 　　　on my memory.

A. kept　　　　 B. remembered

C. learned　　 D. impressed