Section D学习目标：1.复习情态动词should/shouldnt; must/mustnt 的用法。2.单词：fact; unhealthy; chemical; cigarette; body; disease; harm; smoker; second-hand; risk; possible3.词组和短语：in fact; not onlybut (also); as as possible4.句型：(1)We should/shouldnt(2)We must/mustnt练习：一、用所给词的适当形式填空。1 (stay) up late is bad for your health.2I read an article about (smoke) in Renai English Post.3My father should give up (drink) coffee at night.4Dont (throw) litter about.5The baby is keeping (cry), can you stop him?二、情景交际。选择方框中的句子完成对话。A：Which is more important, wealth or health? B：In my opinion (观点), 11 A. that is bad for our health B. going to bed early good or bad C. health is more important than wealth D. we should eat healthy food E. do some sports every day A:：I agree with you. But how can we keep healthy? B：I think 12 especially (尤其) green vegetables and fruit. A：Can we eat too much meat? B：No, I think 13 A：What else should we do? B：We should 14 . But remember not to do sports soon after meals. A：I see. Is 15 for our health? B：It is good. Early to bed and early to rise makes you healthy. 第二话题综合练习一、选择( )1. The old man has _,but he isnt_.A. enough money, enough happy B. money enough, happily enough C. enough money, happy enough D. money enough, enough happy( )2. If you feel _, you should go to school. A. bad B. worse C. better D. good ( )3. Dont keep _me such stupid questions. A. to ask B. ask C. asking D. asked( )4. -.Watching TV too much _ bad for your eyes. Ill go to bed right away. A. is B. are C. was D. be ( )5.How often do you exercise? _ A. Less than three times a week. B. More than 10 hours. C .From one thirty to three. D.I often do it. ( )6._ necessary for us _ English well. A. This is; to learn B. Its; to learn C. Its; learn D. Thats; learn( )7.If you eat _ food and take _ exercise, youll keep healthy. A .more; more B. less; less C. more; less D. less; more ( )8.Humans cant live _ air. agree with you. A. without B. with C. in D. for ( )9.I cant keep myself active during the day. You _ take more exercise. A. must not B. must be C. need to D. may be ( )10.This article says _ is bad for our lungs. A. smoke B. to smoke C. smoked D. smoking ( )11.You had better ask your brother _ playing computer games. Its bad for him. A. to give up B. not to give up C. to give it up D .not give it up ( )12.You _ walk across the road. Its dangerous. A. may not B. dont have to C. must not D. neednt二、完形填空：Food is very important. Everyone needs to _26_ well if he or she wants to have a strong body. Our minds also need a kind of food. This kind of food is _27_. We begin to get knowledge even when we are very young. Small children are _28_ in everything around them. They learn _29_ while they are watching and listening. When they are getting older, they begin to _30_ story books, science books, anything they like. When they find something new, they love to ask questions and _31_ to find out the answer. What is the best _32_ to get knowledge? If we learn _33_ ourselves, we will get the most knowledge. If we are _34_ getting answers from others and do not ask why, we never learn well. When we study in the right way, we will learn more and understand _35_. （）1. A. sleep B. read C. drink D. eat （）2. A. sports B. exercise C. knowledge D. meat （）3. A. interested B. interesting C. weak D. better （）4. A. everything B. someone C. nothing D. anything （）5. A. lend B. read C. learn D. write （）6. A. try B. have C. think D. wait （）7. A. place B. school C. way D. road （）8. A. on B. with C. to D. by （）9. A. often B. always C. usually D. sometimes （）10.A. well B. good C. better D. best三、阅读理解。 AMrs. White was very fat. She weighed (重) 100 kilos, so she went to see a doctor. The doctor said,“You need a diet (节食),Mrs. White, and I have a good way here.”He gave Mrs. White a small book and said“Read this carefully and eat the things on page 11 every day. Then come back and see me in two weeks.” Mrs. White came again two weeks later, but she wasnt thinner. She was fatter than before. The doctor was surprised and asked, “Are you eating the things on page 11 of the small book?”“Yes, doctor.” she answered. The next day the doctor visited Mrs. White during her dinner. He was very surprised at what he saw. “Mrs. White，”he said, “why are you eating potatoes and bread? They arent in your diet. ”“Doctor，”Mrs. White answered,“I follow my diet at lunchtime. But thi