河北九年级英语全册Unit1StayHealthyLesson4Don’tsmokeplease课件新冀教版.pptx

1、Unit 1 Stay Healthy!,Lesson 4 Dont smoke, please!,Dont smoke, please!,smoke harmful disease lung harm breathe public law,v. 吸烟 n. 烟 adj. 有害的；导致损害的 n. 病；疾病 n. 肺 v. 损害 harm oneself =hurt oneself 伤害某人自己 Be careful not to harm/hurt yourself. 当心不要伤到你自己。,Look and say,lung,Smoking can cause lung cancer.,吸烟

2、会引起肺癌。,n. 肺,Look and say,Law,Everycitizenmayclaimtheprotectionofthelaw.,每个公民都可以要求受到法律的保护。,n. 法律,Look and say,public,adj. 公共的；大众的,in public 当众.公开,Dont spit in public.,Why is smoking harmful?,Smoking is bad for your health. It can causes diseases of the heart and lungs. Every year, millions of people

3、around thw world die as a result of smoking. Thats terrible! If you smoke, You harm yourself, and youre also harming the people around you with your second-hand smoke. Smoking pollutes the environment, too. Everyone wants to live in a clean environment and breathe fresh air. In many countries, smoki

4、ng in public places in now against the law.,What should we do?,Never touch cigarettes. Whenever someone offers you a cigarette, you shoud alway say no. Dont take that risk. When somebody talks about smoking, change the topic. If your family members smoke, encourage them to stop smoking. It will be h

5、ard for them, But you should try explaining how important it is for their health. Eat more fruits anf vegetables, do more exercise, and form good habits.,Read the passage and fill in the blanks.,health,diseases,pollutes,harmful,1,Read the passage and fill in the blanks.,touch,topic,Encourage,vegetab

6、les,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 i

7、t 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

8、 up early and never be late again.,Language points,Smoking is bad for your health.,1.be bad for 有害于某人或某事,吸烟有害健康。,= be harmful to/ do harm to 反义词组：be good for”对有益”,Eating too much junk food is bad for our health. 吃太多垃圾食品对身体有害。 Reading in bed is bad for your eyes. 在床上看书对你的眼睛有害。,2.动名词做主语，谓语动词用单数,Millio

9、ns of people around the world die as a result of smoking.,世界上数百万人因为吸烟而死亡。,1.Millions of “数百万的” We plant millions of trees every year. 我们每年种植数百万的树。,*当million 前有基数词，表达确数时，无论基数词时什么，million永远用单数形式。 three million 三百万 ten million 一千万 *hundred （百），thousand （千）billion （十亿）的用法与million相同。,2.as a result of 因此；

10、由于；作为.的结果， 后边接名词或代词,He was late as a result of the snow. 因为下雪，他迟到了。,as a result 单独使用，后边一般用逗号隔开，并且不能连接两个句子。 He worked hard at his study. As a result ,he passed the exam easily. 他在学习上很刻苦，结果他很容易地通过了考试。,In many countries, smoking in public places is now against the law.,against 时介词,后接名词、代词或动词 be against

11、 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。,We are all against his idea.我们都反对他的想法。,Are you for or against the plan? 你支持还是反对这项计划?,against 还意为“靠着；顶着；迎着” He stood with his back against the door.他靠着门站着。,Whenever someone offers you a cigarette, you should always say no.无论何时有人向你提供香烟，你应该总是说不。,1.whenever 连词，“无论何时；

12、在任何的时候”=no matter when,引导让步状语从句。,You can ask for help whenever you need it.无论何时你需要帮助，你可以提出来。,类似的合成词： whatever= no matter what无论什么 wherever =no matter where 无论哪里 however =no matter how 不管怎样,_ I am in trouble, my best friend Li Lei always helps me. A.Whenever B.Whatever C.However D.Never,2. offer 用作及物

13、动词，“（主动）拿给，给予”可接双宾语offer sb. sth= offer sth. to sb.“向某人提供某物” The young man offered the old man his own seat on the bus .,3. try doing sth.试着做某事，试验做某事 try to do设法做某事，尽力做某事 Why dont you try riding a bike to school? 为什么不试着骑自行车去学校呢？ Im trying to learn English well. 我正在努力学好英语。,Language points,It can caus

14、e 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 fire caused much damage. 火灾招致重大损失。,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

15、险把约翰单独留下。,Dont take any risks justringthepolice. 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。,give up “放弃” 若宾语为人称代词，则必须放在give和up 之间。 Believe yourself

16、 .Dont give it up.,Give up doing sth. “放弃做某事 He gave up smoking at last.他最终戒掉了烟。”,Eat more fruits and vegetables ,do more exercise ,and form good habits. Exercise1) 作 “运动；锻炼，常用短语”do/take exercise =do sports He takes exercise every day. 2)作可数名词，意为“体操，练习题” Do morning /eye exercises 3)做不及物动词“ 运动，练习” He

17、 exercises every day .,Stay away from cigarettes and you can live a long, healthy and happy life.远离香烟，那么你会过着长久、健康和快乐的生活。,Stay away from 为固定短语“离开，远离” =keep away from,Why did you stay away from school? 你为什么没上学？ I want you to stay away from my daughter. 我想让你远离我女儿。,should,1.表示劝告、建议,1. We should go to th

18、e 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

19、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 s

20、o 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.,Fill in the blanks,

21、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,1.Whatdoyoumean,thereareonlytentickets?There_betwelve. A.should B.would C.will

22、D.shall,2. Idontcarewhatpeoplethink. Well,you_ A.could B.would C.should D.might,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.,本课时重点回顾,smoking is bad for your health

23、 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,Please Recite the new words and expressions.,Homework,Fr

24、ee talk,1. Have you ever smoked before?,2. Do people in your family smoke?,3. Do you know the harm of smoking?,objectives,To learn how to stay healthy To talk about the harm of smoking New words: smoke, harmful, public, law, whenever, risk, somebody,Smoking,second-hand smoke,二手烟，也称为环境烟草烟（ETS），既包括吸烟者

25、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