高二英语 unit3 science versus natureTask 1课件 牛津译林必修5.ppt

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1、高二年级高二年级 英语英语Task(1),Unit3,Module52021/8/11 星期三1When 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 text2021/8/11 星期三

2、2Read the questions or instructions carefullyListen closely when spellings are givenPay attention to words or phrases that express contradiction(反驳反驳),such as No,I dont think so.Thats not right.And I think it should be Are you sure?Tips for listening2021/8/11 星期三3Listen to the tape and correct the f

3、ollowing sentences.1.Legs can be lengthened by up to 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 Practice 2021/8/11 星期三44.A 45-year-old man died after trying to grow by 6cm.5.Patients cant do any exercise for three years.6.It tak

4、es 14 months to increase your height by 12cm.A 35-year-oldtwo18 cm2021/8/11 星期三57.Age of patients:16 to 55.8.5%of operations are unsuccessful.9.Costs RMB 185,000.60.8%85,000.2021/8/11 星期三6Step 1:confirming information1.What does GM stand for?2.GM=genetically modified.2.What is GM food?Is it the same

5、 as natural food?2021/8/11 星期三7 GM food refers to the food produced using gene technology.Actually,humans have been 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 information2

6、021/8/11 星期三8 By far,the most common GM organisms are crops.And this technology has now been applied to almost all forms of life,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.2021/8/11 星期三9New words in listening practice

7、:1.hormone 2.free-range 3.reveal4.shedn.激素激素adj.自由放养的自由放养的v.揭示揭示n.棚棚2021/8/11 星期三10Part A Listen and correct the following notes1.Growth hormones are used in meat,eggs and vegetables.2.Growth hormones make animals grow fatter.3.Growth hormones keep animals healthy.faster.dont2021/8/11 星期三114.GM food

8、 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 not the same as not 2021/8/11 星期三128.Free-range food is cheaper than GM food.9.Free-range animals ar

9、e kept in dark sheds.10.Most people wouldnt pay more for free-range food.more expensive arentdont mind paying 2021/8/11 星期三13Part B Tick or cross the statements.1.2.3.4.2021/8/11 星期三14P112 ListeningA&B1.1,000 2.junior 3.Sichuan 4.5555-0201 puter 6.Tech-Help 7.clean 8.RAM9.502021/8/11 星期三15Cputer 2.donates 3.1,000 4.junior puter 6.Tech-Help7.clean 8.RAM 9.Sichuan 10.502021/8/11 星期三16HomeworkPreview project readingMan versus nature2021/8/11 星期三172021/8/11 星期三18