2. Word power Unit 3 Science and nature

4. Answer some questions with the proper forms of each given word. able agree appear lead novel responsible respect 1.You can not find your new pen. What happened to it? 2. You want to get the book on the top shelf, but you are not tall enough. Do you think you will be able to reach it? It disappeared. I am unable to do so.

5. 3. The two groups at the meeting didn’t agree with each other. They argued fiercely. What is the problem between them called? 4. Many people respect Mr Li and think he is a good man. He helps people out and is a good citizen and friend. Can you think of word to describe Mr Li? Disagreement. Respectable.

6. 5. Miss Wang has punished several books. She loves her job – writing novels. What is Miss Wang’s occupation? 6. If someone lacks a sense of responsibility, what word can we use to describe him? 7. Some advertisements say that if you take their pills, you will be healthy, look younger. What can you say about this kind of advertisement? She is a novelist. Irresponsible. It is misleading.

7. unable disagreement misleading novelist irresponsible able agree appear lead novel responsible respect respectable disappear

8. 一个英语单词可以分为三个部分：前缀 (prefix) 、词根 (stem) 及后缀 (suffix) 。单词 中位于词根前面的部分就是前缀，如： un-, dis-, mis-, ir- 等。位于词根后面的部 分就是后缀，如： -ment, -ing, -list, -able 等。 一般而言，前缀只改变词义，不改变词类； 后缀主要改变词类，而不改变词义。

9. More examples: intrapersonal minibus microware nonsmoker postwar outdoor underground enlarge extrasolar

10. personal importance employee shorten singer survivor hostess fearful tourism protective modernize dreamlike dangerous

11. 1.Hangzhou is so beautiful that many _______ go there every day. (foreign) 2.They had a hot ________ on eating habits at yesterday's class meeting. (discuss) 3.He looks much ________ than he used to be. (health) 4.I’m _______ sorry for what I did. (true) 5. The ______ man from the right in the picture works in a hospital. (twelve) foreigners discussion healthier truthfully twelfth 用所给单词的正确形式填空。

12. 6. You are very careless and I'm afraid your answer is _________. (correct) 7. Some famous _______ will come to the International Art Festival in Shanghai. (paint) 8. Some children are flying kites________ in the Century Park. (happy) 9. It's hot today, but the weather report says it will be ________ tomorrow. (cloud) 10. Don’t ________ the river. It’s the lifeline for the townspeople. (pollution) incorrect painter happily cloudy pollute

13. Finish the exercise on Page 46. Answers (1) irresponsible (2) disrespect (3) harmful (4) uncertain (5) illegal

15. An organ is a part of the body that has a special job to do. Can you name the major organs of the body?

17. Finish the exercise on Page 47. Answers (1) brain (2) heart (3) liver (4) lungs (5) stomach (6) kidneys

18. the human body brain heart liver lungs stomach kidneys the school the headmaster the teacher knowledge from teachers the life at school learning process the cleaners, repairmen and security guards in the school