话题：1.Problemswithdiet(饮食问题)2.Balanceddietandnutrition(平衡膳食(shànshí)与营养)功能：1.Suggestionsandadvice(建议和劝告)2.Seeingthedoctor(看医生)3.Agreementanddisagreement(同意与不同意)语法：Modalverbs(Ⅱ)（情态动词Ⅱ）重点单词：diet，energy，digest，balance，fry，ought，slim，curiosity，raw，lie，customer，strength，consult，debt，glare，limit，limited，benefit，discount，sigh，combine重点短语(duǎnyǔ)：be/goonadiet，oughtto，loseweight，getawaywith，tellalie/lies，win...back，indebt，spyon，cutdown,beforelong,earnone’sliving，putonweight,glareat,benefitfrom重点句型1.WangPengsatinhisemptyrestaurantfeelingveryfrustrated.2.“Nothingcouldbebetter，”hethought.3.HecouldnothaveYongHuigettingawaywithtellingpeoplelies！4.Perhapsweoughttocombineourideasandprovideabalancedmenuwithfoodfullofenergyandfibre.要点一：重点单词1.dietn.日常饮食；规定饮食；vi.节食归纳拓展keepabalanceddiet保持饮食平衡be/goonadiet节食putsb.onadiet限制(xiànzhì)某人的饮食Peoplewhoareonadietmustn’thavechocolate.正在节食的人不能吃巧克力。Nosugarinmycoffee，please.I’mdieting.请不要(bùyào)给我的咖啡放糖，我在节食。同类辨析diet与food（1）diet指“惯常的或规定的食物”，特指维持健康的定量或定质的食物，又指疗养时规定的食物。常用于表示病人(bìngrén)、犯人、减肥者等的食物。它是可数名词，其前需加不定冠词。（2）food一般用语，凡是能吃能喝的具有营养的东西都可称为food。它是不可数名词，但在表示食品的不同种类时，可以用复数。Thedoctorhasorderedmeaspecialdiet.医生给我安排了一套特殊的饮食(yǐnshí)。Wemusthavefoodtoeatandclothestowear.我们必须要有食物吃，有衣服穿。【链接训练(xùnliàn)】用diet和food填空①TheChinese________isconsideredtobethehealthiestintheworld.②Peopleeatdifferentkindsof________whichcanchangeintoenergy.③Thesickmancan’tlivewithout.________，buthemusthavea________withoutsugar.【答案】①diet②food③food;diet2.balancen.天平；平衡；余额；v.平衡；权衡归纳拓展(tuòzhǎn)（1）keepone’sbalance保持平衡loseone’sbalance失去平衡，心慌意乱offbalance失去平衡的；没有站稳定的onbalance考虑过一切以后，总的说来asenseofbalance平衡感keepabalancebetweenAandB保持A与B平衡（2）balanceAagainstB权衡/比较A与B（3）balancedadj.保持平衡的Hekepthisbalancewithhisarmsontopofthewall.他在墙上用双臂保持平衡。IthinkonbalanceIpreferthenewsystem.总的说来，我觉得自己(zìjǐ)更喜欢新体制。Youshouldbalancetheadvantagesagainstthedisadvantagesbeforeyourfinaldecision.在作出决定之前，你一定要权衡利弊。【链接训练】Ifyouwanttolearnskating，itisimportanttolearn________yourself.A.tok