高二英语精品课件：UNIT3 SCIENCE VERSUS NATURE-TASK（1）（牛津译林版必修5）.ppt

1、高二年级英语Task(1),Unit3,Module5When we are asked to pass information,we usually make mistakes.So we need to1.correct grammatical errors and spelling mistakes2.make changes to the information in the text3.change the style or the toneTips for changing or correcting a textRead the questions or instructions

2、 carefullyListen closely when spellings are givenPay attention to words or phrases that express contradiction(反驳),such asNo,I dont think so.Thats not right.And I think it should be Are you sure?Tips for listeningListen to the tape and correct the following sentences.1.Legs can be lengthened by up to

3、 8cm.2.Legs are made to grow 1mm per week.3.The new bone is not as strong as the original bone.18 cm.every day.P.52 Practice4.A 45-year-old man died after trying to grow by 6cm.5.Patients cant do any exercise for three years.6.It takes 14 months to increase your height by 12cm.A 35-year-oldtwo18 cm7

4、.Age of patients:16 to 55.8.5%of operations are unsuccessful.9.Costs RMB 185,000.60.8%85,000.Step 1:confirming information1.What does GM stand for?GM=genetically modified.2.What is GM food?Is it the same as natural food?GM food refers to the food produced using gene technology.Actually,humans have b

5、een genetically modifying the animals and plants around us for many centuries.Scientists have been trying to use selective breeding techniques to create many things.Background information By far,the most common GM organisms are crops.And this technology has now been applied to almost all forms of li

6、fe,mainly in food and farming.It is reported that there may be new risks with GM food,but it is less expensive than natural food.1.hormone 2.free-range 3.reveal 4.shedn.激素adj.自由放养的v.揭示n.棚Part AListen and correct the following notes1.Growth hormones are used in meat,eggs and vegetables.2.Growth hormo

7、nes make animals grow fatter.3.Growth hormones keep animals healthy.faster.dont4.GM food is more expensive than natural food.5.GM food technology is a new scientific development.6.GM food tastes better than natural food.7.Free-range food comes from animals that are given drugs.cheaperis notthe same

8、asnot 8.Free-range food is cheaper than GM food.9.Free-range animals are kept in dark sheds.10.Most people wouldnt pay more for free-range food.more expensivearentdont mind paying 1.2.3.4.A&B 1.1,000 2.junior 3.Sichuan 4.5555-0201 puter 6.Tech-Help 7.clean 8.RAM 9.50 puter 2.donates 3.1,000 4.junior puter 6.Tech-Help 7.clean 8.RAM 9.Sichuan 10.50HomeworkPreview project readingMan versus nature