八年级上册二单元二话题SectionB

1、Unit 2 Topic 2 Section B一、必背单词：1. 文章 _2.吸烟，冒烟 _3.甚至，即使 _4. 癌症 _5.精力，活力 _6. 必要的，必须的 _7. 活跃的；积极的 _二、必背词组1.readinthesun在太阳下阅读2.borrow sth from sb/borrow sb sth向某人借东西3.readan articleabout.阅读关于某事的文章4.bebad/good for对有害 / 有益5.causecancer/illness导致癌症 / 疾病6.Howterrible!太可怕了7.ask/tellsb to do请或者让某人做某事8.ask/te

2、ll sb not to do请或者让某人不要做某事9.giveupdoingsth放弃做某事10.showsbsth/show sthto sb让某人看东西11.take a walk散步12.benecessaryfor对.有必要13.enough water足够的水14.bigfastenough足够大 / 快15.keepsbactive使.活跃16.duringtheday在白天三、语言点讲解1.I must ask him to give up smoking.我必须要他戒烟。1.ask sb.to do sth.意为“要求某人做某事”，其否定形式为ask sb. not to d

3、o sth.类似的动词还有want,tell ,get等。例如：I must tell him not to smoke.我必须告诉他不要吸烟。2.give up意为“放弃”，后接名称或动名词。例如：You should give up drinking.2.Drink enough water every day.每天喝足够的水。enough 做形容词或副词，意为“足够的、充分地”。这里作形容词，修饰名称 water, 修饰名词时放在名词前也可以放在名词后，修饰形容词或副词时必须放于其后。例如：I have enough money to buy a car.我有足够的钱买车。We didn

4、t leave early enough.我们离开的不够早。拓展：（ 1）enough 作代词，意为“足够，充分”。如：Have you had enough?你吃饱了吗？（ 2）enough to do sth.意为“足够 . 可以做某事”，此句式还可以与“ so.that. 如此 . 以致 . ”或 “too.to. 太. 而不能 . ”互换。例如：She is so young that she cant go to school .她年龄太小不能上学。四、重点句型1.Hethinkssmokingcanhelphimrelax.2.Breakfast gives you energy

5、for the morning.3.Walking is a good exercise.Ithealth.4.Drink enough water every day.s necessary for your五、当堂练习：A: 单项选择1.The old lady has _,but she isnt_.A.enough money; enough happy B.money enough C.enough money ;happy enough D.money enough ;enoughhappy2._is good exercise .Its good for our health.A

6、.swim B.swimming C.swims D.swam3.-Smoking too much can even cause cancer.-_A.How terrible ! B.Never mind. C. Whats wrong?D.What a shame!4.The newspaper _good habits bring you a happylife.A. speaks B.tells C.talks D.says5.The man fell jll.He had to give up _basketball.A.plays B.to play C.playing D.pl

7、ayB: 用所给词的适当形式填空in the sun ,give up ,put .into ,during theday,take a walk1.You mustnt throw litter around,You should _it_the dustbin.2.My mother often tells me not to read _.3.Having enough sleep will keep you active_.4.I must ask my father to _smoking .5.He usually _after supper.C: 句型转换1.Drinksome

8、milkbeforeyouseethedoctor.（改为否定句）_drinkedoctor.2.Fisher. （改为同义句）_willmilk dieifbeforethereyouissee nothwatFish_live_water.3. 吸太多的烟会导致癌症。（翻译成英语）Smokingtoomuchmay_.4.Wemusteat_foodtohelpusbeinagood _.(health)（完成句子）5.Isgoingtobedearlygoodforourhealth?Isgoingtobedearlybadforourhealth?( 用 or连接成选择疑问句）_goi

9、ngtobedearlygood_forourhealth?badD: 补全对话A: Hi,Fangfang ,you were not at school yesterday ._1_B: Oh ,I had a headache and I had to ask for a sick leave( 请病假 )A: Sorry to hear that_2_B: Yes ,my mother took me to the hospital.The doctor checked me over and said I had a cold.A: _3_B: Yes,a little.The doctor told me to take the medicine three times a day and drink more water.A: _4_A: _5_B: You are right.I think I will make a plan for that.Thanks a