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Whichdoyouliketohave?Canyounamethem?ApplepieCherrytomatoesBananasandstrawberriesHamburgerHamIcecreamPotatoSaladDrinks(juice&coffee)SandwichIcecreamCookiesHotdogChocolateOil&vinegarTask1:RevisionTranslatethefollowing:1.你点菜了吗？2.请您点菜好吗？3.你要吃/喝点什么吗？4.请随便吃点火腿肠。Haveyouorderedyet?MayItakeyourorder?Wouldyoulikesomethingtoeat/drink?Helpyourselftosomeham.5.--还要吃点什么？--不用，谢谢。我已经吃饱了/够了。6.那好，咱们定个日期。7、一片苹果派一罐啤酒一杯咖啡一杯水--Whatelsewouldyouliketohave?(or:Anythingtofollow?)--No,thanks.I’mfull./I’vehadenough.Thatwouldbenice.Let’sfixadate.apieceofapplepieacanofbeeracoffee/acupofcoffeeaglassofwaterUnit4FeedtheWorldTask2:Pre-readingTaskDiscussion:1.Doyouthinkit’saproblemtofeedthewholeworld?Why?2.Howtosolvetheproblem?Whataresomeofthewaysofincreasingfoodproduction?TrueorFalse?1.Agriculturestartedabout10,000yearsagoinChina.2.Todaymostpeopleintheworldearntheirlivingbyfarming.3.Thepopulationoftheworldtodayisabout6billion.4.Thefarmlandisbecomingsmallerdaybyday.Task3:ReadingTrueorFalse?5.InChinaonly11%ofthelandissuitableforgrowingcrops.6.TheChinesemakeup22%oftheworldpopulation.7.It’ssaidthatasmuchas30%offoodislostinstorage.8.Oneintenpeoplediefromhungereveryyear.TrueorFalse?9.Irrigationcanincreasethefoodsupply.10.Newtypesofplantscangrowinthedesert.Readthetextagaintofind:Reasonsforlostfarmland:1.2.3.Itisbeingbuilton.AlotofthesoilhasbeenremovedbywindandrainSomelandbecomestoosaltytogrowplants.Waysofincreasingfoodproduction:1.2.3.4.Byirrigation.Bydevelopingnewplantswhichproduceheaviercrops.BydevelopingnewplantswhichGrowinpoorsoil.BydevelopingnewplantswhichArelesslikelytobeattackedbypests.Task4:LanguageFocusImportantsentences:Usefulphrases:1.theMiddleEast2.earnone’slivingbydoing…3.foronething1)=firstofall2)与foranother连用：一则，再则4.intheformof…以…的形式6.makegreateffortstodosth.7.upto=asmuch/manyas达到8.instorage9.inaword=inbrief,inshort10.oneinten=oneoutoften11.starvetodeath=dieofhunger12.takesth./sb.forexample13.besuitablefor=befitfor区别：increase:增加，增多，增大improve：改善，改进，提高（不与better连用）