2 . ______________________ , you should examine yourself and see if there is something wrong with your personality.
作为一个青少年，你应该全神贯注于学习。(concentrate)

3 . 根据句意内容，从方框中选出正确的选项，完成下列句子。答案的标号写在答题卡上。

A. concentrated     B. shallow     C. authority     D. energy     E. designed

1. The stream was quite ______ so we were able to walk across it.
2. Mexicans may use silence when instructions are given by a person in ______ instead of arguing with him or her.
3. We’ll use up all the coal underground. We have to develop new kinds of ______.
4. The course is specially ______ for beginners like you, focusing on listening and speaking.
5. Previous generations ______ on getting children to school on time, fed, dressed and ready to learn.

7 . 词义匹配

A. worried about sth. B. to try or test new ideas, methods, etc. to find out the effect C. detailed and exact D. a scientific test that is done in order to gain new knowledge E. to give all the attention F. to order sth. regularly G. interested, taking part

1. He gave us very specific instructions so that we wouldn’t make any mistakes.
2. She was concerned that she might get lost in a new city.
3. What magazines does our library subscribe to each month?
4. I can’t concentrate with all that noise going on.
5. Many people do not like the idea of experiments on animals.

10 . 汉译英
1. ________ vt. & n.伤害，损害→ ________ adj. 有害的→ ________ adj.无害的；无恶意的
2. ________ n.论点；论据→ ________ adj.好辩的；争辩的→ ________ vi. & vt.争论；辩论；说服→ ________ n.争辩者；辩论者
3. ________ vt.取代；接替→ ________ n.更换；代替者→ ________ adj.可替换的；可置换的；可放在原处的
4. ________ vi.专注，专心；集中注意力→ ________ adj.集中的；全神贯注的→ ________ n.集中；浓缩；集合
5. ________ adj.关切的；关心的→ ________ n.关切；关心 v.与……有关；关于
6. ________ adj.有益的；有意义的→ ________ n. 报酬；报答；酬谢 vt.奖励；奖赏
7. ________ n.增添；添加→ ________ adj.附加的，额外的→ ________ vi. & vt.加起来；做加法；增加
8. ________ adj.局限的，限制性的→ ________ adj.有限的；有限责任的（公司） ________ adj.无限的→ ________ n.限制；限度；界限 vt.限制；限定