LanguageIfyoucoolwater,itturnsintoice.①②1.Ifyouheatmetal,itmelts.假如把金属加热，它就会融化。2.Waterturnsintoiceifyoucoolit.假如你冷却水，它就会变成冰。Ifyoudropaglass,itbreaks.Actionswithdefiniteresults--b--d--g--a--h--c--f--e1.Ifyou___________________water.2.Aballoon_____________________it.3.Ifyou___________________water.4.Metal_____________________it.5.Wood_________________water.6.Aglass_________________it.ActionswithpossibleresultsI________(stay)athomeifit_______(rain)tomorrow.Ifhe____________(notcome),I_____________(go)swimmingalone.Ifyougetuplate,youwillbelateforschool.Ifthetelephonerings,Iwillanswerit.hard-workinggofishing.P105B一、判断正误，假如有误，请改正1.Ifyouwilldomoreexercisethissummer,youwillbeveryfit.2.Thecandleburns,ifyoulightit.3.IwillbuildmanyschoolsforthepoorchildrenifIwinabilliondollars.4.Ifyoufreezewater,itwillturnintoice.5.Myunclevisitsthemuseumifhewillhavetime.If旳两个意思:BettywillvisittheHistoryMuseumifit____________(rain)tomorrow.Benwantstoknowifit___________(be)finetomorrow.Exercises:4.Willyoucomeandstaywithusforawhileifyou______(finish)doingyourhomework?Wangdoesn’tknowifthere_________(be)anEnglisheveningnextweek.Mikeaskedmeifwe___________(ask)anyquestionsthenextclass.Wearegoingforpicnictomorrow.I’llcallWendytomakesure________.AwhytostartBwhentostartCwhattostartDwhichtostart8.---Wouldyoupleasetellme____next?---Thinkitover.You’llfindagoodway.AwhentodoBhowtodoCwhattodoDwheretodo9.Idon’tknowifmyuncle_____.Ifhe___,Iwillbeveryhappy.Acomes;willcomeBwillcome;willcomeCcomes;comesDwillcome;comes10.EitheryouorI_____goingtoShanghai.Onlyonepersonmaygothere.AareBwereCamDwas()11.Ifit______sunnytomorrow,I____boating.A.isgoB.willbe,goC.is,willgoD.willbe,willgo()12.--whatwillyoudoifit______tomorrow,--I’llstayathomeandwatchTV.A.rainB.rainsC.willrainD.israining()13.Ifhe______,I______himthetime.A.comes,tellB.willcome,willtellC.comes,willtellD.willcome,tell()14.Ifit______,it______cold.A.snows,willbeB.snows,isC.willsnow,willbeD.willsnow,is()15.