仁爱版八年级上Unit2Topic2SectionB课件精编版.ppt（纯ppt,可能不含音视频素材）

1、Eating too much candy is bad for our health.Lets learn the new words:article smoke even cancer necessary active energy /:tikl/n.文章，物品文章，物品 /smuk/v.&n.吸烟，烟吸烟，烟 /i:vn/adv.甚至，即使甚至，即使 /kns/n.癌，癌症癌，癌症/nessri/adj.必要的，必需的必要的，必需的 /ktiv/adj.活跃的，积极的活跃的，积极的/endi/n.精力精力 活力活力英汉互译下列单词并标上词性。英汉互译下列单词并标上词性。1.article

2、_()2.smoke _()_()3.litter _()_()4.enough _()_()5.癌癌_()6.垃圾箱垃圾箱_()7.能量；精力能量；精力_()8.必需的，必要的必需的，必要的 _()文章；物品；冠词文章；物品；冠词 n.吸烟；冒烟吸烟；冒烟 v.烟烟 n.废弃物；垃圾废弃物；垃圾 n.乱丢杂物乱丢杂物 v.足够的；充分的足够的；充分的 adj.足够足够 adv.cancer n.dustbin n.energy n.necessary adj.根据所给中文完成句子根据所给中文完成句子.1.He coughs and he often _（抽烟）？（抽烟）？2.Smoking

3、too much can_(导致导致癌症癌症).3.It is _（必要的）（必要的）to learn English.4.I think sports can_（让我保（让我保持活力）持活力）.smokescause cancernecessarykeep me activeRead the pairs of words and pay attention to the difference among/,/a:/and/.Then think of more words for each group./-/a:/fun-farm cut-card come-calm 录音录音3a-P383

4、a-P383a/-/fund-fond duck-dock luck-lock Listen again and repeat,paying attention to the liaison.Wash your hands,have a bath.Open the window,take a fresh breath.Early to bed,early to rise.Having good habits,makes a man healthy,Wealthy and wise.Liaison makes our English sounds smooth,and one type of i

5、t is to link consonant with vowel.3b录音录音3b-P38Write down the good habits.wash hands have a bath open the windowearly to riseListen again and repeat,paying attention to the liaison.Wash your hands,have a bath.Open the window,take a fresh breath.Early to bed,early to rise.Having good habits,makes a ma

6、n healthy,Wealthy and wise.Liaison makes our English sounds smooth,and one type of it is to link consonant with vowel.录音录音3b-P383b-P383b2aLook at the pictures and choose the correct sentence to complete each description.Breakfast gives you energy for the morning._Its necessary for your health.a.Goin

7、g to school without breakfast is bad for your health.c.Walking is good exercise.2aLook at the pictures and choose the correct sentence to complete each description.Water is good for your health._It will keep you active during the day.d.Drink enough water every day.b.Go to bed early and get up early.

8、Drinking enough water every day.Water is good for your health.enough足够的/地，充分的/地 adjadvenough+n足够的什么东西adj+enough足够怎么样他足够大去上学。He is old enough to go to school.（enough作形容词）（enough作副词）如果你起床够早，你将能赶上公交车。If you get up early enough,youll catch the bus.Have a try：It is cold enough/enough cold to put on the c

9、oat.He is enough old/old enough to go to school.2bRead 2a and mark H(Healthy)or U(Unhealthy).smokeWhats he doing？He is .What do you think of smoking？smokingSmoking is bad for our health.Its cool to smoke.Is smoking good or bad for our health?Its bad for our health.Smoking is bad for our lungs.It can

10、 even cause cancer.So everyone should give up smoking.放弃放弃What is Wang Junfeng doing?Why does Marias father like smoking？Why does Maria want to ask her father to give up smoking？reading an article about smoking in the newspaper.thinks smoking can help him relax.Because smoking is bad for our lungs a

11、nd it even may cause cancer.1bListen to 1a and answer the following questions.录音录音1a-P37He is_Because he_Maria:Hi,Wang Junfeng!What are you reading?Youd better not read in the sun.Its bad for your eyes.Wang Junfeng:Oh,thank you.Im reading an article about smoking in the newspaper.Does your father sm

12、oke,Maria?Maria:Yes,he thinks smoking can help him relax.Wang Junfeng:But,you know,smoking is bad for his health.Maria:Yes,his teeth are yellow and he often coughs.Wang Junfeng:Thats too bad.Look,the article says smoking is bad for our lungs and it can even cause cancer.Maria:Oh!How terrible!I must

13、ask him to give up smoking.May I borrow your newspaper and show it to my father.Wang Junfeng:Sure.Find out the following phrases and translate:had better(not)do ask sb.to do give up doing sth.borrow sb.sth.show sth.to sb./show sb.sth.最好最好(不要不要)做做 要求某人做某事要求某人做某事 放弃做某事放弃做某事 借用某人某物借用某人某物 向某人展示某物向某人展示某物

14、 1cFill in the blanks.Wang Junfeng is reading an _ about smoking in the newspaper.Marias father _ because he thinks smoking can help him _.But the article says smoking is _ for our lungs and it can even _ cancer.Marias going to ask her father to _ _ smoking.articlesmokesrelaxcause give upbad Smoking

15、 is bad for his health.Smoking is bad for our lungs.动名词做主语动名词做主语,谓语动词要做谓语动词要做第三人称单数。第三人称单数。eg:喝水有益于我们的健康。喝水有益于我们的健康。_water _good for our health.Drinkingis I must ask him to give up smoking.Eg:老师常常告诉我们课堂上要认真听老师常常告诉我们课堂上要认真听。The teacher often _carefully in class.give up sth./doing sth.放弃某事放弃某事/做某事做某事E

16、g:我不会放弃学习英语我不会放弃学习英语。I wont _English.ask sb.(not)to do sth.叫某人叫某人(不要不要)做某事做某事asks us to listen give up learningI must ask him to give up smoking.ask sb.to do sth.叫某人做某事叫某人做某事Eg:我妈妈叫我晚上不要外出我妈妈叫我晚上不要外出。My mother asks me not to go out at night.give up sth./doing sth.放弃某事放弃某事/做某事做某事Eg:我不会放弃我的计划我不会放弃我的计划

17、。I wont give up my plan.ask sb.not to do sth.叫某人不要做某事叫某人不要做某事give up放弃我永远不会放弃。I will never give up.我永远不会放弃我的梦想。I will never give up my dream.停止做某事放弃某物，放弃什么东西I must ask him to give up smoking.放弃做某事Your job is very good.Why did you give it up?stop doing sthgive up sth=I must ask him to stop smoking.gi

18、ve up singing放弃唱歌不要放弃Dont give up.放弃你的工作give up your work/job你的工作很好，你为什么放弃了它呢？give up doing sth(一一)、must的个性：的个性：must拥有情态动词家族的共性：无拥有情态动词家族的共性：无人人称称和和数数的变化，也的变化，也无时态变化无时态变化。作谓语时。作谓语时一律用一律用“must+动词原形动词原形”结构。结构。(二二)、must的本领：的本领：（1）must表示说话表示说话人的主观看法或愿望人的主观看法或愿望，认为，认为“必须必须”做某事。做某事。例如：例如：I _ _ hard.我必须努力学

19、习。我必须努力学习。（2）表示）表示要求某人必须做某事时要求某人必须做某事时，主语用其它人主语用其它人称称。例如：例如：You must wait in line.你必须排队等候。你必须排队等候。must study （3）在肯定句中，）在肯定句中，must可以表推测，语气要比可以表推测，语气要比may肯定得多。肯定得多。must表示对某事把握很大的推测，表示对某事把握很大的推测，只能用于肯定句，意为只能用于肯定句，意为“想必；准是；很可能想必；准是；很可能”；must be表示表示“一定是，一定在一定是，一定在”。当情态动词。当情态动词may与与be连用，表示推测连用，表示推测“或许是，或许

20、在或许是，或许在”。在否定句型表示推测的含义时不用在否定句型表示推测的含义时不用mustnt(禁止，禁止，不允许不允许)而用而用 cant（不可能）（不可能）。例如：。例如：She _ _our new Chinese teacher.她一定是我们的新的语文老师。她一定是我们的新的语文老师。The door is closed.He _ _ at home.门关着，他一定不在家。门关着，他一定不在家。must becant be(三三)、must的变脸：的变脸：（1）must的否定式是在的否定式是在must后面加上后面加上not，常缩写成，常缩写成mustnt，意思是，意思是“决不可；千万不能

21、；务必不要；禁决不可；千万不能；务必不要；禁止止”。在对在对May I.?作否定回答时用作否定回答时用No，you mustnt/cant。例如：例如：You _ tell her this news.你绝不能你绝不能（千（千万不要）告诉她这消息。万不要）告诉她这消息。You _ _smoke here.你绝不能在这儿抽烟。你绝不能在这儿抽烟。（2）must的疑问式是将的疑问式是将must提在主语前。提在主语前。must用在问句用在问句中作中作“必须必须”解时解时，要注意肯定与否定回答时的用语。其，要注意肯定与否定回答时的用语。其肯定简略答语是肯定简略答语是Yes，主语，主语+must。若是否

22、定回答，则是。若是否定回答，则是No，主语，主语+neednt或或dont have to。例如：例如：Must I finish my homework today?今天我必今天我必须完成我的作业吗？须完成我的作业吗？No，you _/Yes，you_.不必。不必。/对，你必须完成。对，你必须完成。mustntmust notneedntmust Maria:What reading?read in the sun.Wang Junfeng:an article about smoking in the newspaper.Does smoke?Maria:Yes smoking helpr

23、elax.Wang Junfeng:smoking bad for Maria:teeth yellow and coughs.Wang Junfeng:too bad the article says smoking our lungs cause cancer.Maria:How !I ask give up smoking.May I borrow show father?Wang Junfeng:Sure.We hopeto keep healthyHealthy Treedrink enough waterhave breakfasttake a walk after mealsDo

24、nt get up late.do morning exercisesDont keep fingernails long.Dont throw litter around.1.Finish the exercises on the paper.2.Recite 1a.3.Make some sentences to give suggestions about keeping healthy.堂上小测堂上小测()1.Children play soccer in the streets.Its not safe.A.may not B.will C.neednt D.must not()2.

25、May I?A.show my father it B.show it my father C.show my father to it D.show it to my father()3.-Jane,I think we cant finish the work.-Dont worry.We have time to do it.A.enough B.few.C.little D.manyDDA()4.My pen is broken.I have to _one _Mike.A.borrow;to B.borrow;from C.lend;from D.lend;to()5.Breakfa

26、st gives you energy the morning.A.on B.in C.for D.of()6.I must ask him .A.to give smoking up B.gives up C.to give up smoking D.to give up BCC课后练习课后练习（1）用适当的介词填空。）用适当的介词填空。1.You should not read _ the sun.Its bad _ your eyes.2.Fish cant live _ water.3.Hes writing an article _ how to learn English.info

27、rwithoutabout（2）完成句子。）完成句子。1.每天喝足够的水有利于我们的健康。每天喝足够的水有利于我们的健康。Drinking _ _ every day _ _ _ our health.2.早睡早起能够帮助我们在白天保持活力。早睡早起能够帮助我们在白天保持活力。Going to bed early and _ _ _ can help us _ _ during the day.enough waterbad forisgetting upearlykeep active3.好的饮食习惯对每个人都是必要的。好的饮食习惯对每个人都是必要的。_ _ _everyone _ _ go

28、od eating habits.4.玩电脑游戏对你的学习不利，你必须戒掉。玩电脑游戏对你的学习不利，你必须戒掉。Playing computer games is bad for _ _.You must _ _ _.Its necessary fortohaveyourstudygive it upTeaching aims：1.Master the use of these phrases:had better(not)do,give up smoking,ask sb.(not)to do sth,take a walk,study late,go to school without

29、breakfast,drink enough water 1让某人做某事让某人做某事_ 2戒烟戒烟_3把某物出示给某人看把某物出示给某人看_/_4将垃圾丢入垃圾箱将垃圾丢入垃圾箱 _ 5到处扔垃圾到处扔垃圾_ 6对对必要必要_ 7保持活力保持活力_ 8在一天中在一天中_/_ 9给某人某物给某人某物_/_let sb.do sth.give sb.sth.give up smokingshow sb.sth.put/throw litter into the dustbin throw litter aroundbe necessary forkeep sb.activeduring the d

30、ayin the daygive sth.to sb.show sth.to sb.翻译并熟记下列句子翻译并熟记下列句子1.他认为吸烟可以放松自己。他认为吸烟可以放松自己。_2.禁止践踏草坪。禁止践踏草坪。_3.散步是项好运动，它对你的健康必不可少。散步是项好运动，它对你的健康必不可少。_ _4.不吃早餐上学对你的健康有害。不吃早餐上学对你的健康有害。_ _5.多么可怕啊！我一定要让他戒烟。多么可怕啊！我一定要让他戒烟。_Walking is good exercise.Its necessary for your health.He thinks smoking can help him r

31、elax.Dont walk on the lawn/grass.Going to school without breakfast is bad for your health.How terrible!I must ask him to give up smoking.1.Eating fruit keeps us h_.2.Walking is n_ for good health.3.You mustnt t_ litter around.Youd better keep environment clean and tidy.4.He is very poor,he has not e_ food to eat.5.Chocolate gives you e_.But eating too much is bad for your teeth.6.He wrote an a_ about Wang Xiaoya.ealthyecessaryhrowoughnergyrticle