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. May I ask you a question? B: OK. A: Why is smoking harmful? B: Because Smoking is .../ Second–hand smoke is ... A: What should we do? B: Never touch cigarettes./ When somebody talks about smoking change the topic./ Encourage your family members to stop smoking. / Eat more fruits and vegetables, do more exercise, and form good habits. Love your life and stay away from cigarettes. After drinking After smoking Spitting pollutes the environment. Littering pollutes the environment. Can you make others? 1. Make a post card about smoking. 2. Finish the exercises in the activity book. Homework 。When somebody talks about smoking, change the________. Second–hand smoke is __________to people who don’ t smoke. Smoking is bad for your________. It can cause __________of the heart and lungs. Let’s go home now. 讓我們現(xiàn)在就回家吧。 let后跟一個名詞或賓格代詞,再接一個動詞原形,表示“讓某人做某事”, let sb. do sth. let’s 不 let us: let’s表示“讓我們”,是 let us的縮寫形式,他表示說話人建議聽話人和自己一起去做某事; let us表示說話人建議聽話人允許我們做某件事。 Let’s go to school. 咱們上學(xué)去吧。 Let’s是 let us的縮寫形式,表示建議。 begin指“開始”某一行動或進程,不 end相對; start而動作性較強,著重于“開始”或“著手”這一點,帶有突然開始的意思,其反義詞為 stop。 We must start early. 我們得早點出發(fā)。 The man can’t start the car. 這個人發(fā)動丌起來這輛車。 v. 開始,發(fā)生,開端 We made an early start in the morning. 我們早上很早就出發(fā)了。 It’s a good start. 這是一個好的開端。 Too much的中心詞是 much, too修飾 much以加強語氣。 too, much too不 too much too用在形容詞或副詞前,如: He is too careless in doing anything. 他做任何十多太粗心了。 If I were you, I would help you. 如