Unit 8 A green world教案5.doc

Unit 8 A green world 教案教学目标：1、 能听懂有关环保话题的对话，并从听力材料中获取需要的信息。2、 能用所得信息将语篇补充完整。3、 能就环保话题进行交流。教学重点：词汇：survey, empty, harmful, a survey on students daily habits, turn off the tap, keep soil in place教学难点：1、 能用所得信息将语篇补充完整。2、 能就环保话题进行交流。教学教具：配套磁带或者光盘。教学过程：How green are you?Step 1 导入：1、 教师与学生交流：How can we live a green life? What can we do to protect the environment in our daily life? 一方面复习原有的知识，另一方面导入A 部分的主题。鼓励学生畅所欲言。2、 教师总结：Protecting the environment is very important. We can help protect the environment by doing some simple things, such as turning off the tap when brushing our teeth, taking shorter showers, using both sides of the paper, 引出新内容：turn off the tap, empty。Step 2 听力：1、 让学生阅读A1部分的表格，并注意表格的关键词Time, Place, Number of students, Number of questions,为听力材料做准备。2、 告诉学生：The Class1, Grade 8 students want to do a survey on their daily habits. 教师为学生播放录音并指导学生完成A1 部分的表格，教师说：Lets listen to the conversation and finish the table in part A1.录音可以播放两次。要求学生第一遍只听不动笔，听第二遍的时候再填写表格。TapescriptPart A1Sandy: Hi, Daniel, Im really glad that we are going to do this survey on students daily habits.Daniel: Me too. How many students are going to take part in the survey?Sandy: Fifty, 25 boys and 25 girls. The survey is going to be carried out at 4 p.m. this Wednesday. Wed better arrive a little earlier, say, 3:40.Daniel: Ok, 3:40. Room 201, right?Sandy: Yes, we have six questions this time. I hope all the students can give clear answers.Daniel: I think they will.3、 告诉学生：Daniel and Sandy are talking the results of the survey.教师播放A2部分的录音，让学生完成练习。TranscriptPart A2Daniel: What are the results of the survey?Sandy: Lets see. Thirty- five students turn off the tap when they brush their teeth, but only 20 students usually take showers for less than ten minutes.Daniel: Forty students use both sides of the paper, this will help save trees.Sandy: Only 15 students recycle empty bottles. Thats not many.Daniel: But look at this, Sandy. 41 students always turn off the lights when they leave the room.Sandy: Thats great! Oh, only 9 students take their own bags to the supermarket.Daniel: Well, maybe we can talk about that in our presentation.Sandy: Good idea!4、 教师要求学生用完整的句子陈述A2部分的内容，集体核对答案，如：（1） 35 students turn off the tap when they brush their teeth.（2） 20 students take showers for less than 10 minutes.（3） 40 students use both sides of the paper.（4） 15 students recycle empty bottles.（5） 41 students turn off the lights when they leave the room.（6） 9 students take their own bags to the supermarket.5、 学生独立完成A3部分的练习，提醒学生根据A1， A2部分已有的信息填写。全班核对答案后集体朗读一遍，加深印象。Step 3 活动：1、 学生四人一组进行调查，了解他人的日常环保习惯，教师说：Lets do a survey. Work in groups of four and ask your group members about their daily habits. Then write a short passage a