Unit 3 Science versus nature 课件 11

《Unit 3 Science versus nature 课件 11》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、Welcome,everyone!Unit3Scienceversusnature课件11Skillsbuilding1:changingorcorrectingatextYouandyourfriendjustfinishedaprojectaboutheight-increasingoperations.Andyouhavetakennotesbutyou’reafraidyoumayhavemadesomemistakeninformation.Rememberto:1.payattentiontowordsorphrasesthatexpresscontrad

2、iction,suchas:No,Idon’tthinkso.That’snotright.Areyousure?AndIthinkitshouldbe…LookatPage52andlistentothedialoguetocheckthenotes.Attention:centimetre(cm)millimetre(mm)breakthebonesofyourlegslookoverthenotesListentothetapeandcorrectthefollowingsentences.1.Legscanbelengthenedbyupto8cm.2.Leg

3、saremadetogrow1mmperweek.3.Thenewboneisnotasstrongastheoriginalbone.18cmeverydayPassageOne4.A45-year-oldmandiedaftertryingtogrowby6cm.5.Patientscan’tdoanyexerciseforthreeyears.6.Ittakes14monthstoincreaseyourheightby12cm.7.Ageofpatients:16to55.8.5%ofoperationsareunsuccessful.9.CostsRMB18

4、5,000.A35-year-oldtwo18608%8500Step1confirminginformationhightechnology(hi-tech)atalkonGMfoodWhatisGMfood?Zx.xkGeneticallyModified(GM)foodPassagetwo含乙肝疫苗的转基因土豆LookatPage53andlistentothedialoguetocheckthenotes.Attention:growthhormones…becausetheamount(whichis)producedisusuallylarger.Tast

5、etestsrevealthatittastes……free-rangefoodSotheytendtosellthem……They’renotkeptindarksheds.Listenandcorrectthefollowingnotes1.Growthhormonesareusedinmeat,eggsandvegetables.2.Growthhormonesmakeanimalsgrowfatter.3.Growthhormoneskeepanimalshealthy.fasterdon’thelpkeepanimalshealthy.4.GMfoodism

6、oreexpensivethannaturalfood.5.GMfoodtechnologyisanewscientificdevelopment.6.GMfoodtastesbetterthannaturalfood.7.Free-rangefoodcomesfromanimalsthataregivendrugs.cheaperisn’tthesameasaren’t8.Free-rangefoodischeaperthanGMfood.9.Free-rangeanimalsarekeptindarksheds.10.Mostpeoplewouldn’tpaymo

7、reforfree-rangefood.moreexpensivearen’tdon’tmindpayingTapescript:S=StudentS=ScientistS:ThankyoufortakingthetimetocomeandtalktousaboutGMfood.S:It’smypleasure.S:I’mgladIhavetheopportunitytotalktoyoubeforethelecture.I’dliketoasksomequestions.S:Ok,whatwouldyouliketoknow?S:Well,whya