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1、Period4:Grammar学习目标:1.掌握单元语法:一般将来时2.利用例句归纳出语法规则学习重点:掌握单元语法:一般将来时学习难点:利用例句归纳出语法规则课前预习使用说明与学法指导:1.利用例句归纳出语法规则2.15分钟之内完成教材助读:Junkfoodisaninformaltermappliedtosomefoodswithlittleornonutritionalvalue,ortoproductswithnutritionalvaluebutwhichalsohaveingredientsconsideredunhealthywhenregularlyeate
2、n,ortothoseconsideredunhealthytoconsumeatall.ThetermwascoinedbyMichaelJacobson,directoroftheCenterforScienceinthePublicInterest,in1972.Factorscontributingtolabelingasjunkfoodarehighlevelsofrefinedsugar,whiteflour,transfatandsaturatedfat,salt,andadditivessuchaspreservativesandcoloringagents
3、.Othersincludelackofproteins,vitamins,fiberandothernutrientsforahealthydiet.Somefastfoodispopularbecauseitisinexpensiveandresistanttospoilage.Theseproductsmayalsobepopularwithconsumersbecausetheyarewidelyavailable,requirelittlepreparation,andareeasyorespeciallyfuntoconsume.Junkfoodisassoci
4、atedwithhealthproblemsincludingobesity,heartdisease,Type2diabetesanddentalcavities.Problemswithfastfoodmaynotbeapparenttochildren,henceadvertisingaimedatchildrenhascomeundercriticism.预习自测:用括号中词的适当形式填空。1.Evenifit_____(rain)tomorrow,Iwillgotoschool.2.Canyouliedown?I____(examine)you.3.IfTomdo
5、esn’tcome,we____(lose)thegame.4.Ihadjustarrivedhomewhenit__________(begin)torain.5.Watchout!Thebus_________(head)foryou!6.Iwillgivethebooktohimassoonashe_______(return).我的疑问:____________________________________________________________________________________________________________________
6、______________________课内探究质疑探究:一般将来时态 一般将来时态表示将来某一时刻的动作或状态,或表示将来某一时间内经常性的动作或状态。本期我们主要讲解一般将来时态的基本构成和用法。1."will/shall+动词原形",指将来某个时间要发生的动作或存在的状态,也可表示将来习惯性、经常性的动作;还可表示一种没有经过仔细考虑的主观意图,可能是在说话的当时才做出的决定。在口语中will用于各种人称,书面语中第一人称常用shall。如:Ishallbetwentynextyear.—Whereisthetelephonebook?—I’llgoandg
7、etitforyou.2."begoingto+动词原形",表示将来主要用于:①表示现在的意图,即将要做的事或打算做某事。如:IamgoingtoBeijingtomorrow.Theyaregoingtosetupalaboratorynextyear.②表示按照计划,安排将要发生的事。如:Wearegoingtohaveameetingnextweek.③表示现在已有迹象表明要发生或即将要发生某种情况。如:Lookatthedarkclouds.It’sgoingtorain.3.be+不定式,表示按照计划或正