2012高考英语Unit2《Healthyeating》知识与要点课件新人教版必修

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1、话题1.Problemswithdiet(饮食问题)2.Balanceddietandnutrition(平衡膳食与营养)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，benefi

2、t，discount，sigh，combine重点短语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．HecouldnothaveYongHu

3、igettingawaywithtellingpeoplelies!4．Perhapsweoughttocombineourideasandprovideabalancedmenuwithfoodfullofenergyandfibre.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限制某人的饮食Peoplewhoareonadietmustn'thavechocolate.正在节食的人不能吃巧克力。Nosugarinmycoffee，please.I'mdieting

4、.请不要给我的咖啡放糖，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、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。Wemusthavefoodtoeatandclothestowear.我们必须要有食物吃，有衣服穿。【链接训练】用diet和food填

5、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(1)keepone'sbalance保持平衡loseone'sbalance失去平衡，心慌意乱

6、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，我觉得自己更喜欢新体制。Youshouldbalancetheadvantagesagainstthedisadva

7、ntagesbeforeyourfinaldecision.在作出决定之前，你一定要权衡利弊。【链接训练】Ifyouwanttolearnskating，itisimportanttolearn________yourself.A．tokeeptobalanceB．tokeepbalancingC．tokeepskatingD．tokeeptoskate【解析】考查动词balance的用法和句意理解。因为从选项中看，在结构方面B、C两项均是正确的，keep后面须接动名词。对于学习滑冰而言，坚持练习固然重