Unit 4 Seeing the doctorPeriod 4【教学目标】1．能理解字母组合ch的发音，并找出更多的例词。
2．能了解centigrade和Fahrenheit的不同，了解中西方文化的差异。
3．能较熟练运用所学句型询问病情，给不同的病症不同的建议。
4．能完成Fun time中的任务，与同学合作完成生病看医生的场景表演。
【教学重点】能理解字母组合ch的发音，并找出更多的例词。
【教学难点】1．能理解centigrade和Fahrenheit的不同，了解中西方文化的差异。
2．能与同学合作完成Fun time中的拓展表演。
【教学过程】Step 1 Greeting & Warm-up1．Discuss the cards of patientsA: Who’s …? B: He’s/She’s …A: What’s wrong with him/her? B: He/ She has …A: What should he/she do? B: He/ She should …2．Read and judge如果你认为是健康的，大声说“Yeah, yeah, y eah”。
如果你认为是不健康的，大声说“No, No, No”。
He gets up late in the morning, so he runs to school every day.He reads English for fifteen minutes every morning.He likes eating meat, but he doesn’t like vegetables (蔬菜).He likes reading in the sun.He doesn’t wash his hands before meals.Step 2 Fun time1．Revision of Grammar timeT: Now boys and girls, we want to talk about illness. How to ask?S: What’s wrong with you/her/him/them?T: How to answer?S: I/They have … She/he has …T: We want to get advice. How to ask?S: What should I do?T: How to answer?S: You should/shouldn’t…2．Do a role-play（1）Make a modelT: Look at the pictures. Let’s do a role-play. I will be the doctor. Who can be the patient? S1: I can.T: Wh at’s wrong with you?S1: I have a cough. What should I do, Doctor?T: You should drink warm water and take some medicine. You shouldn’t eat ice creams. T: Well done. Let’s give him more advice.S2: You shouldn’t shout.S3: You shouldn’t eat sweet foo d．S4: You shouldn’t eat cold foo d．T: So what should he do? What shouldn’t he do?S: He should drink warm water and take some medicine.He shouldn’t eat ice creams, shout, eat sweet or cold foo d．（2）Work in pairs（3）Act and showStep 3 Culture time1．Read and thinkT: What’s wrong with Liu Tao?S1: He has a fever.T: What’s his temperature?S2: It’s 102°F.T: It means 39°C．2．Learn the wordstemperature centigrade FahrenheitTalk about the differences between centigrade and Fahrenheit华氏度= 摄氏度*9/5 + 32摄氏度= (华氏度-32)*5/93．Talk about the pictures103°F 105°F 40°CStep 3 Sound time1．Ask and answerT: Who is he? S: He’s Charlie.T: Where is he? S: He’s on a bench. (教bench)T: What is he doing? S: He’s eating chicken.T: What does he like? S: He likes Chinese food．2．Try to sayT: Let’s read after me and talk about the pronunciation of ch.chair chicken lunch much teach小组内讨论说出含有字母ch发/t∫ /的单词，比比哪组说得既正确又多。
