冀教初中英语九上《Lesson 4 Don't Smoke, Please!》PPT课件 (1).ppt

Stay Healthy,Dont smoke, please!,smokeharmfuldiseaselungharmbreathepubliclaw,v. 吸烟 n. 烟adj. 有害的；导致损害的n. 病；疾病n. 肺v. & n. 伤害；损害v. 呼吸adj. 公共的；大众的n. 法律,Words and,Expressions,cigarettewheneverrisksomebody,n. 香烟；卷烟conj. 在任何的时候 无论何时n. 危险；风险pron. 有人；某人,Words and,Expressions,Lead-in 1,Lets enjoy a video.,Smoking,Lead-in 2,Free talk,1. Have you ever smoked before?,2. Do people in your family smoke?,3. Do you know the harm of smoking?,Click Here,objectives,To learn how to stay healthyTo talk about the harm of smokingNew words: smoke, harmful, public, law, whenever, risk, somebody,Look and say,smoke,Smoke consists of gas and small bits of solid material that are sent into the air when something burns.,v. 吸烟 n. 烟,Do you mind if I smoke?我抽根烟你介意吗？,Look and say,harmful,Something that is harmful has a bad effect on something else, especially on a person's health.,adj. 有害的； 导致损害的,Polluted air and water are harmful to peoples health.,受到污染的空气和水，对人的健康是有害的。,Look and say,lung,Your lungs are the two organs inside your chest which fill with air when you breathe in.,Smoking can cause lung cancer.,吸烟会引起肺癌。,n. 肺,Look and say,Law,The law is a system of rules that a society or government develops in order to deal with crime, business agreements, and social relationships.,Every citizen may claim the protection of the law.,每个公民都可以要求受到法律的保护。,n. 法律,Look and say,public,1. Public means relating to all the people in a country or community. 2. Public buildings and services are provided for everyone to use.,adj. 公共的；大众的,民意已不再支持他了。,Public opinion (= the opinions of most people) has turned against him.,Read the passage and fill in the blanks.,health,diseases,pollutes,harmful,1,Read the passage and fill in the blanks.,touch,topic,Encourage,vegetables,exercise,habits,1,Read the following sentences and pay attention to the modal verb should. Then give advice for each problem using should.,1. I have a very bad toothache! You should go to see a dentist.,2. My new bicycle was stolen. You should call 110.,3. My bedroom is a mess. You should tidy it up.,2,Read the following sentences and pay attention to the modal verb should. Then give advice for each problem using should.,4. My computer is broken. I cant work without it. You should ask someone to fix it.,5. I was late for school this morning, and my teacher was angry with me. You should get up early and never be late again.,second-hand smoke,二手烟，也称为环境烟草烟（ETS），既包括吸烟者吐出的主流烟雾，也包括从纸烟、雪茄或烟斗中直接冒出的侧流烟，也就是指吸烟的人所呼出的气体和香烟本身燃烧时的烟雾的俗称。二手烟中包含4000多种物质，其中包括40多种致癌物质，如被不吸烟的人吸进体内，亦可能和氡气的衰变产物混合一起，对人体健康造成更大的伤害。,second-hand smoke,专家提醒，吸“二手烟”的危害更不容忽视，不吸烟者和吸烟者一起生活或者工作，每天闻到烟味一刻钟，时间达到一年以上的危害等同吸烟。截止到2007年末，中国约有3.5亿吸烟者，每年死于吸烟相关疾病的人数近100万。中国参与的“全球青少年烟草调查”结果显示：青少年在家中和公共场所受二手烟危害的比例分别为43.9%和55.8%。中国吸烟人数为3.5亿，居世界各国之首。全国吸烟行为流行病学调查数据显示，虽然人们的吸烟率已经出现了下降趋势，但被动吸烟状况没有任何改善。,Lets help people stay healthy! In a small group, make a poster that shows why smoking is bad.Present your posters to the class.,Language points,Smoking is bad for your health.,be bad for 有害于某人或某事,吸烟有害健康。,= be harmful to/ do harm to,Eating too much junk food is bad for our health.吃太多垃圾食品对身体有害。,Language points,It can cause diseases of the heart and lungs.,cause v. 造成；引起 n. 原因；起因,它可以导致心脏病和肺病。,I have no cause to question his honesty.我没有理由怀疑他的诚实。,The bright light caused her to blink.明亮的光线刺得她直眨眼睛。,Millions of people around the world die as a result of smoking.,as a result of 因此；由于；作为.的结果,世界上数百万人因为吸烟而死亡。,He was late as a result of the snow.因为下雪，他迟到了。,Profits have declined as a result of the recent drop in sales.由于最近销售量滑坡，利润下降了。,In many countries, smoking in public places is now against the law.,be against 反对 be for 支持,当今在很多国家，在公共场合吸烟是违法的行为。,She's always rebelled against authority.她总是和权威对抗。,Are you for or against the plan?你支持还是反对这项计划?,Dont take that risk.,take a risk 意为“冒险”take the risk of doing sth. “冒险做”,不要冒险。,I didnt want to take the risk of leaving John alone.我不想冒险把约翰单独留下。,Don't take any risks just ring the police.不要冒险行事给警察打电话吧。,Once you get into the habit of smoking, its not easy to give it up.,get/fall into the habit of 养成习惯,一旦你养成吸烟的习惯，就很难戒掉。,George has got into the habit of going to bed late.乔治养成了晚睡的习惯。,Modal Verbs,should & need,Have a look,1. but you should try explaining how important it is2. Crime should be punished.3. You should avoid such mistakes.  4. They should be ready by 12:00.,1. What should we do?2. Its strange that he should come so late. 3. Im sorry that this should have happened.4. Im surprised that he should feel lonely.,should,1.表示劝告、建议,1. We should go to the hospital right now.2. As a student, you should never smoke.3. You shouldnt be so careless.,2.表示征求同意或征询意见，用于主语为第一人称的疑问句。,1. Should I open the window?2. When should we have the meeting?,should,3.表示惊讶，在某些句式中可以表示说话者的惊讶。,It is simply a miracle that rice should grow in such a place. 稻子竟能在这样的地方生长, 这实在是个奇迹。,How should I know it ？ 我怎么会知道这件事？,Have a look,Danny, you need not get up so early.2. We need not worry about him.,1. Need we eat foods from each food group? Yes, you must.2. Need the guests leave the place right away? No, they neednt.,need,必要，需要（作情态动词时只用于否定句和疑问句）,Danny, you need not get up so early.2. Need I type this letter again?,1.没有人称和数的变化2.不能单独充当谓语。3.变为否定句时只需在情态动词之后加not。4.变为疑问句时只需将情态动词提到主语的前面。,need,need用在疑问句中，肯定回答一般用must，否定回答一般用need not。,1. Need we eat foods from each food group? Yes, you must.2. Need the guests leave the place right away? No, they neednt.,1. What do you mean, there are only ten tickets? There_ be twelve.  A. should     B. would              C. will    D. shall,2. I dont care what people think.  Well, you _  A. could              B. would              C. should             D. might,本课时重点回顾,smoking is bad for your health as a result of should + do get into the habit of,Now 2 mins to test your spelling.,English-Chinese,disease lung breathe cigarette,Chinese-English,有害的 公共的 法律无论何时 危险 有人,When finished, exchange your papers to see who does the best.,Spelling Bee,Fill in the blanks,1. _ (smoke) is bad for your health.2. In many countries, smoking in public places is now _ the law.3. dont _ that risk.4. Eat more fruits and vegetables, do more exercise, and _ good habits.,Smoking,against,take,form,Translation,1.世界上数百万人因为吸烟而死亡。,2.一旦你养成吸烟的习惯，就很难戒掉。,Millions of people around the world die as a result of smoking.,Once you get into the habit of smoking, its not easy to give it up.,Please Recite the new words and expressions.,Homework,