Food and health(食物与健康)

FoodandHealth UnitTwo 1 Warm upActivity Readthefollowingquoteabouthealthyeating Trytoexplainitwithexamplesoryourpersonalexperiences Theonlywaytokeepyourhealthistoeatwhatyouvdon twant drinkwhatyoudon tlike anddowhatyou drathernot 2 ListeningandSpeakingText1 Geneticallymodifiedfood QandA1 WhatdoyouknowaboutGMfood 2 WhatdoyouthinkofthepurposeofproducingGMfood 3 DoyoumindeatingGMfoood Doyouthinkitmightdobadtoyourhealth geneticallymodifiedfood转基因食品readuponthesubject研究这个课题Don tbedaft 别傻了 havemyfoodaltered食物被改变hepatitisBvaccines乙肝疫苗playaroundwith 摆弄playhavocwith扰乱Whenaspeciesdiesoutormutates ithasaknock oneffectonthewholeecosystem 党某一物种灭绝或者发生基因突变 它会对整个生态系统产生连锁反应 cynical愤世嫉俗的thehabitatofpolarbears北极熊的栖息地comearoundtomywayofthinking改变思维方式aguineapig试验品 小白鼠 Referenceanswers EX1 TFFFTFEX2 safertightercontrolsvegetablesextictdecreasinginnumberspoorcountrieswholeecosystem Classdebate IsGMFoodBeneficial Argumentsfor TherehavebeenagreatnumberofstudiestrackingtheeffectsofGMfoodonanimals ThesestudiesindicatethatGMfoodissafetoconsumeFarmerswhogrowGMcropsusefewerenviornmentallydamagingpesticides GMcropscanhavelargeryields TheincreasingyieldsofGMcropsareessentialtofeedingtheworld sgrowingpopulation GMfoodcanwithstandcolderweather droughts andfloodsArgumentsagainst GMcropshaveledtoanincreaseinherbricide and pesticide resistantweedsandinsects Thereisnoscientificconsensusonthelong termsafetyofGMfood Introducingageneintoaplantmaycauseunexpectedallergicreactionstopeople SomeGMfoodshaveantibioticfeaturesbuiltintothem Peoplewhoconsumethesefoodsmaybecomeresistanttoantibioticdrugs Text2 Truthaboutorganicfoodlabels Thedifferentorganicfoodlabels Natural anythingbutorganicContainsorganicingredients lessthan70 Madewithorganicingredients atleast70 Organic atleast95 100 organicTheorganiclabelingomeatanddairyproducts Grassfed outdoorsandanaturaldietofgrassFreerange outdoorsNohormonesadded Referenceanswersfor organiclessthanatleast95 100 theoutdoorsnaturaldietbeingkeptinsmallcagesbeingraised Groupwork Describethechartbrieflyandgivecommentsonyourownclaims refertotheusefulexpressionsonP 21 Text3 Meatornot Fourtypesofvegetarians Workingroupsonthefollowingquestions Canyoulivewithoutmeat Doyouknowanypersonwhodoesn tlikeeatingmeat Haveyoueveraskedthemaboutthereasons Whydomorepeoplechoosetobecomevegetariansnow Whatcanpeoplebenefitfromavegetariandiet Whatarethehealthrisksinbecomingavegetarian Doyouwanttobeavegetarian Whyorwhynot Groupreportfortheanswersofthesequestionsinashortpassage alacto ovovegetarian plantfood diaryproducts eggsdiaryeggsalactovegetarian plantfood diaryproductsanovovegetarian plantfood eggsavegan plantfoodonly Referenceanswers EX1 EX2 milk cheese yoghurtmarinesourcelikemarinealgae fishoilsupplementdeatmeatEX 3homework 3 ViewingandSpeaking Listsomeprocessedfoodswhichyoulikebutmaydoharmtoyourhealthifyoueattoomuchofthem Andtelluswhyyoulikethem Canwecompletelyavoidprocessedfoodsinourdailylife Ifnot whatmeasurescanwetaketomaintainacomparativelyhealthydiet LearnthenewwordsandexpressionsonP 24 Referenceanswers 1 theirnaturalstate man madeingredientsshelflife hydrogen uptoahalfgram thesameas lookold2 bad good plastic cells communicateortalk cancer packagedfoods fat desiremore highbloodtr