1. 9A chapter 1 Protecting the innocent

2. Key points: He’s a robot with a broken arm called Lo. Broken 过去分词作后置定语， “ 坏了的 ” break- broke- broken on the right / on the right of 在右边／在 …… 的右边

3. Key points: make five mistakes mistake 错误（可数名词） notes on the Li case On 关于

4. Key points: He bought a vase for 200000 yuan. buy sth, for + money 花 …… 钱买 ……

5. Key points: Someone stole it from his safe. Steal- stole- stolen 偷 Steal sth. from …… 从 …… 偷 ……

6. Key points: Jenny admitting stealing the vase. Admit 承认 admit doing sth. 承认做 …… Jill is in jail. Be in jail = be behind bars 坐牢

7. Key points: Protecting the innocent 保护无辜 的人 The innocent 在一些形容词前加 the 指 一类人。如： poor rich old young

8. Key points: Pansy wanted to write an article on detectives for the school news paper. To get information, she interviewed Detective Ken. This is part of the interview. On 关于（介词） To get information 不定式做目的状语 Interview v. n. 采访 / 面试

9. Key points: You say that you like working as a detective. Why? Work as 从事 …… 工作 Let me tell you about a recent case that I dealt with, Pansy. Deal with = do with 处理

10. Key points: Mr Li is a very rich man who lives alone and enjoys collecting things. alone 为形容词或副词，意为 “ 单独的 ” ，只 作表语，不作定语。侧重说明独自一人， 表示客观的状态。 lonely 意为 “ 孤独的 ” ，主观上感到孤独、寂 寞，有较浓的感情色彩。它为形容词，在 句中作表语或定语。 He lived alone but he didn’t feel lonely.

11. Key points: He purchased a vase for two milli on yuan. purchase sth.=buy sth. We purchased a car before. 以前我们买过一辆车

12. Key points: He showed it to only two people- his friends Jill and Jenny. show sth. to sb. 把某物给某人看 =show sb. sth.

13. Key points: Then he locked it in the safe at his house. That night, someone stole it. Li reported the theft, and I went to his house to look for clues Report the theft 报案 look for clues 寻找线索

14. Key points: Did you find any? Yes, a black pearl earring near th e open safe and, outside the open window of the room, I saw a lot o f mud on the wet ground open. adj. 开着的 v. 打开

15. Key points: Inside the room, the carpet was spotlessly clean. spotlessly clean=very clean What did you do next?

16. Key points: I interviewed Jill and Jenny. They both denied stealing the vase. deny doing sth. 否认做某事 He denied saying that.

17. Key points: But I noticed that Jill waswearing a black pearl necklace-- but no earrings. notice 注意 (1) 接宾语从句 (2) 接 do/doing I notice him entering the office. Did you notice anyone take away my book?

18. Key points: So Jill was the thief? I didn't know. I needed proof. A go od detective never jumps to concl usions Need proof 需要证据 jump to conclusion 过快下结论 （指不经思考）

19. Key points: I showed Jill the earring, and she admitted it was hers. She said someone had stolen it from her house a month before. I checked her story. It was true. Before 用于完成时 Ago 用于过去时

20. Key points: So Jill was no longer a suspect Bu t what about your other clue the mud outside and the spotless carpet inside? no longer=not…any longer 不再 We shall no longer lie in the house. 我们将不再住这房子了。

21. Key points: That told me that probably no thie f broke into Li's house. So I questioned Li and, in the end, he admitted stealing his own vase. Break into 闯入 question sb./sth. 质疑某人或某事（动词） In the end 最后 =finally=at last

22. Key points: He had bought insurance for it. The insurance company would pay him two million yuan if the vase was stolen. And who stole Jill’s earring? Buy insurance for… 为 … 买保险 Pay 赔偿

23. Key points: Li did that as well. He tried to mak e sure that Jill would go to jail ins tead of him. try to do sth. 尽力做某事 try one’s best to do sth. 尽某人全力 做某事 go to jail=go to prison 进监狱 in jail=in prison 在监狱里

24. Key points: So now Li is behind bars. Yes, and Jill is free. Be behind bars 进监狱 Free adj. 免费的 / 空闲的 / 自由的

25. Key points: My job is to protect the innocent as well as find the guilty. That's why I like working as a detective. as well as=and 当 as well as 用于连接两 个人称代词时，谓语动词和前面的人称保持一致。 Tom as well as his friends likes playing football.