高一英语必修5 Unit 3 Task 课件VIP免费

Mould 5 Unit 3 Goals:Goals:The students will:The students will:1. listen to a discussion about growth hormones1. listen to a discussion about growth hormones2. conduct an interview about GM food2. conduct an interview about GM food3. write a formal letter about GM food3. write a formal letter about GM food Let’s revise…Make up some sentences with the given verbs, paying attention to the usage of each verb. suggestavoidintendencourage政府鼓励人们购买环保产品。The government encourages people to buy environmentally-friendly products. Lead inpay for the use of plastic bagsforagainst Have you ever heard of another kind of pollution, gene pollution? A kind of pollution that has somethingto do with gene Let’s learn… Science is developing so fast that it is beyond our imagination. Gene technology is one of the more advanced technologies.We are all common people. The closest contact for us to be with the gene technology is GM food. What does GM stand for?Genetically modified.转基因的 What is GM food? GM food refers to the food produced using gene technology. Let’s share…Have you ever had any GM food? Are there any differences between GM food and natural food?(1)Does it taste the same as natural food?(2)Is it cheaper or more expensive than natural food? Let’s listen… You are a student representative who had the chance to speak to a scientist who is giving a talk on GM food at your school. Before meeting the scientist you had done research on GM food and taken notes. Notes1.Growth hormones are used in meat, eggs and vegetables.2.Growth hormones make animals grow fatter.3.Growth hormones keep animals healthy.4.GM food is more expensive than natural food.5.GM food technology is a new scientific developme...