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1、Unit2 Topic2 Section B 一、话题导学：（学习目的）1.Learn some new words and phrases:article, smoke, even, necessary ,active, give up , its necessary for sb. to do sth., 2. Talk about smoking and some other living habits.二、预习导纲：1、单词互译与经历1) article 2) smoke 3) active 4) even 5) necessary _2、短语互译与经历1) give up 2) it
2、s necessary for sb. to do sth. 3）had better not do sth. 4）让某人保持活力 5）让某人放松 3、句子理解与熟读1)You had better not read in the sun.2) He thinks smoking can help him relax.3) It can even cause cancer. 4) How terrible! I must ask him to give up smoking.5) Its necessary for your health.6) May I borrow your newspa
3、per and show it to my father?7) It will keep you active during the day.三、课堂导练：1.选词填空。smoke, article, active, relax, enough1)The doctor is writing an_ about cancer.2）Listening to music can help us _.3) We should drink _water every day.4) Lucy is an _ girl.5) _ is bad for our lungs.2. 单项选择( ) 1.I must
4、 ask my father to give up _.A. smokeB. smokerC. smokingD. to smoke( ) 2. We should keep our fingernails _.A. cleanB. dirty C. long D. active( ) 3.Its _ for us to have breakfast before we go school. A. a necessary B. necessary C. bad D. need( ) 4. Miss Li asks us_to the teachers office at once, we ha
5、d better _here.A. go, to stay B. to go, stay C. to go, not stay D. go, stay( ) 5. The article says smoking can even cause cancer. _A. Cool! B.Wow！ C. Yes! D. How terrible!四、复习自测：情景配对。给以下各人从方框中选择适当的建议。( ) 1.Kangkang: I often study late in the night.( ) 2.Lucy: I like eating candy a lot.( ) 3.Tom: I o
6、ften walk in the morning.( ) 4.Jane: My bedroom is always dirty.( ) 5.John: I smoke a lot.A. You must give up smoking. B. Its good for your healthC. You shouldnt throw litter around.D. Its bad for your teeth. You shouldnt eat too much.E. Staying up is bad for your health. You should go to bed early.
7、五、课文解读：1)You had better not read in the sun.你最好不要在阳光下看书。2) He thinks smoking can help him relax.他认为吸烟能够帮他放松。3) It can even cause cancer. 它甚至能够导致癌症。4) How terrible! I must ask him to give up smoking.真可怕！我必须叫他戒烟。ask sb. to do sth.，意为“要求某人做某事”，否认方式是ask sb. no to do sth. 用法类似的动词还有want ,tell, get等。give u
8、p 意为“放弃”，后接名词或动名词。如：You should give up drinking.5) Its necessary for your health.这对你的健康是有必要的。Its necessary for sb./sth. 意为“对某人或某事是有必要的。”Its necessary for sb. to do sth. 意为“对某人来说，做某事是必需的”。如：Its necessary for us to brush our teeth twice a day. 对我们来说，每天刷两次牙是有必要的。6) May I borrow your newspaper and show it to my father?我能够借你的报纸给我爸爸看看吗？7) It will keep you active during the day.它将会让你在白天保持活力。keep sb./sth. +adj. 让某人或某物保持（状态）如：We should keep the classroom clean. 我们应该保持课室清洁。六、评价内容等级自评小组长评价预习情况ABCD课堂表现ABCD小组合作ABCD