Unit 2 Topic 2 I must ask him to give up smoking.学案（4份打包）

Topic 2　I must ask him to give up smoking. Section A 考点一　What caused it (P35) 是什么引起的 (1)cause作为动词,意为“使发生;引起;导致”,其后接造成的结果或发生的事情作宾语,也可接双宾语或不定式的复合结构作宾语;即cause sb. sth.或cause sb. to do sth.。 (2)cause还可以作为名词,意为“原因,起因”,指产生一种后果的起因。 【辨析】 单词 含义及用法 cause 指“原因,起因,根源”,即造成一种事实或现象的比较直接的、根本的客观条件、情况、事件、力量等 reason 从理性的角度出发,强调“推理”,指对于某个情况或看法从逻辑推理上引出结论的“理由”。后可接“why”引导的定语从句 e. g.We shouldn’t cause others any trouble.我们不应该给别人添麻烦。 The cold weather caused some plants to die.寒冷的天气冻死了一些植物 What’s the cause of the forest fire last night 昨晚森林火灾的起因是什么 That’s the reason why I like English. 那就是我喜欢英语的原因。 考点二　Staying up late is bad for your health. (P35) 熬夜对你的健康有害。 (1)Staying up late 是动名词结构作主语。当我们需要一个动词充当主语时,常用此动词的动名词(即v.-ing)形式。 (2)be bad for意为“对……有害”。类似的短语还有:be good for 意为“对……有好处”;be good at (doing) sth.=do well in (doing) sth.意为“在某方面做得好, 擅长于……”;be weak in (doing) sth.=do badly in (doing) sth.意为“在某方面很薄弱,在某方面做得不好”。 【能力提升】 用括号里的词的适当形式填空。 1.They are good at _____(play) the piano, but do badly in _____(play) football. 2._____(play) basketball is good for your health. 答案:1.playing; playing　2.Playing 考点三　You mustn’t throw litter around. (P36)你一定不能乱扔垃圾。 (1)must 情态动词,表示“必须,一定要”,用于肯定句、否定句和疑问句。 其否定形式mustn’t表示“不能”“禁止”的意思。 (2)throw...around=throw...about意为“乱扔……”。throw的相关短语还有:throw away 意为“扔掉……,丢弃……”;throw at意为“投向、掷向、向……投去”。 Ⅰ.根据句意及音标或括号内所给提示完成句子 1.When I’m down or tired/ ta (r)d/, I prefer to watch movies that can cheer me up. 2.You mustn’t throw litter/ l t (r)/ around. 3.—Do you know what cause/k z/ the accident —Sorry, I don’t know. 4.Going to school without/wI a t/ breakfast is bad for your health. 5.We usually have three meals (meal) a day.We call them breakfast, lunch and dinner. Ⅱ.选择填空 (A)1.—Climate change _____mainly by too much CO2 in the air. —So I think the key is to produce electricity without creating CO2. A.is caused B.caused C.causes (B)2._____ in the park is not polite. We should keep our environment clean. A.Litter B.Littering C.Throw litter about (C)3.Don’t go to school _____breakfast.It’s a bad habit. A.after B.with C.without (B)4.You look so weak! I think you _____go to see a doctor at once. A.might B.should C.could (B)5.—You look down.What’s up —_____. A.I’m watching TV B.My mom is ill C.I just finished high school Ⅲ.情景交际(根据情景提示,完成下列各题) 1.你想告诉对方,熬夜对身体有害,你可以这样说: Staying up is bad for your health. 2.你想关心对方身体有什么不舒服,你可以这样问: What is wrong with you /What is the matter with you 3.你想告诉对方早餐可以让 ... ...