外研九上M12U1 If everyone starts to do something 1教案.docVIP

1.学生自学生词，并记住单词拼写和拼读。 2.预习课本，找出重点短语和句式。 3.读、记后完成学案中自学导练作业。 Step 1情景导入 The teacher show a photo of polluted river. T:What can you see in the photo? S1:I can see polluted water. S2:I can see a dead river. There are no plants, no fish or living things. T:Pollution is very serious. Pollution is a danger to our health. We must do something to save our earth. S2：What can we do for it？ T:We can collect waste paper or rubbish which can be recycled or used again. We can also turn off lights to save energy when we don\t use them… Ss:That\s easy. We will do them. Step 2完成教材Activities 1~3的任务 1.Work in pairs. Look at the pictures and talk about them. Use the words in the box to help you. (Activity 1) (1)处理生词。教师可以领读方框中的词，并让学生试着用这些单词描述图片。 (2)学生活动：学生利用已有词汇和方框中的单词描述图片，然后教师引导学生自由发挥，谈论有关污染的问题。教师可以通过提问引导学生用相关词汇问答问题 例如： What may cause pollution? How do many of the factories pollute the air and rivers? (3)教师请学生展示。 2.Listen and complete the sentences. (Activity 2) (1)学生个体活动，听录音，补全句子。 (2)全班核对答案。 les 3.recycle; glass) 3.Listen and read.Now complete the notes. (Activity 3〕 (1)教师给出一两个简单的问题，例如： Why is Lingling worried about the future? Why is pollution a danger to our health? What do you think may cause pollution? (2)学生合上书，听录音。答复下列问题。 (3)学生再次听录音，要求学生能获取对话中的细节信息，完成活动3中的练习。 (4)学生两人一组或小组活动，核对答案。 (答案:1.farmers can\t use the water for their crops 2.spreads over cities and villages 3.use so much oil and cause pollution 4.collects waste; recycled or used again; sells the waste; in poor areas 5.ways to save energy and recycle at home; less waste) (5)学生翻开书，跟读或朗读对话。 环节说明:本活动呈现新的语言内容,训练学生听懂主旨大意和获取细节信息的能力。 Step 3小结训练 1.Polluted 〔被污染的〕 water is a danger 〔危险〕to the living things. 2.We must save energy (节约能源〕 and cause less (引起少些〕 pollution. Step 4问题探究 如果每个人与污染做斗争，地球将被挽救。 If everyone fights pollution, the world will be saved. Step 5家庭作业 完成学案中的相关练习。 本节课活动的目的是通过图片的提示让学生听懂对话。训练学生听懂活动3中对话的主旨大意和获取细节信息的能力。 1.学生自学生词，并记住单词拼写和拼读。 2.预习课本，找出重点短语和句式。 3.读、记后完成学案中自学导练作业。 Step 1情景导入 T：Do you know Liu Xiang? S1: