高三英语总复习第一轮必修三unit2 公开课ppt

Unit2HealthyEatingCheckforthecomposition1.正如图中所示，在中国从2006年到2010年人们的饮食结构出现了变化。______________________,therehavebeensomechangesinpeople'sdietfrom2006to2010inChina.2.首先，目前粮食构成了中国人饮食结构的约50%，而牛奶只有20%,肉类和鱼类只占了30%。Firstofall,grain_______about50%oftheChinesedietatpresent________milkonly___________20%,meatandfish30%.Asisshowninthegraghmakesupwhileaccountsfor3.这背后的原因是，中国人更注重自己的饮食和健康了。__________________________theChinesearepayingmoreattentiontotheirdietandhealth.4.也可能是他们比以前生活水平更高了。___________________theyarebetter-offthanbefore.ThereasonbehindthisisthatItisalsolikelythat一、单词拼写根据读音、词性和词义写出下列单词。1.___________n.日常饮食;vi.节食2.___________n.黄瓜3.___________n.蘑菇4.___________n.羊肉5.___________n.好奇心6.___________adj.苗条的;vi.变细,减肥7.___________adj.生的，未加工的8.__________vt.咨询，请教，商量dietconsultcucumbermushroommuttoncuriosityslimraw9____________n.顾客；消费者10____________n.力量；长处11____________n.虚弱；弱点12____________n.债务；欠款13____________vi.怒目而视；n.眩目的光14____________n.界限vt.限制15____________n.利益vt&vi有益于16____________vt.&vi使联合，使结合customerstrengthweaknessdebtglarelimitbenefitcombine1．________________平衡饮食2．________________应当；应该3．________________减轻体重；减肥4．________________被放过；(做坏事)不受惩罚5．________________说谎6．________________赢回；重新获得7．________________谋生8．________________欠债二、高频短语abalanceddietoughttoloseweightgetawaywithtellaliewin...backearnone’slivingindebt9．________________暗中监视；侦查10．________________削减；删节11．________________不久以后12．________________增加体重spyoncutdownbeforelongputonweight1．________couldbe________.再没有比这些更好吃的了。2．Hecouldnot______YongHui__________________________________！他可不能让雍慧哄骗人们后而不受惩罚！3．___________________sitdownandhavearest?你为什么不坐下来休息一下呢？三、重点句式NothingbetterhavegettingawaywithtellingpeopleliesWhynot/don’tyou4.Don'tspeakanymore;__________________________.不要再说了；我们厌倦了你的牢骚。5.__________________themanagerofthecoffeeshopwaswaitingforLiFangtoleave.很明显咖啡店老板在等着李方离开。wearetiredofyourcomplaintsItwasobviousthat重点难点研析词汇精研1.balancen.天平；平衡；余额v.平衡；权衡(回归课本P9)Whatwillhappentoyouifyoudon’teatabalanceddiet?假如你的饮食不均衡会怎么样？keep/loseone'sbalance保持/失去平衡outofbalance不平衡onbalace总的来说balancedadj.平衡的[即境活用]完成句子(1)Seeingacarcomingatacrossing，she_______________(失去平衡)andfelldownfromherbike.(2)Thekeytolearningskatingisto(保持平衡)．lostherbalancekeepthebalance[归纳拓展]be/goonadiet节食putsb.onadiet控制某人饮食abalanceddiet均衡饮食2.dietn．日常饮食vt.&vi.节食，使实施饮食疗法注意：food与diet的区别eg.Wecannotsurvivewithout______anddrink.Thedoctorputmeonalow-salt______toreducemybloodpressure.fooddiet—Wouldyoulikesomemorechicken?—No,thanks.Iam________adietandI’mtryingto________weight.A．on；loseB．on；putonC．in；haveD．in；lose解析：选A。onadiet是固定短语，“节食”；loseweight“减肥”。[即境活用]3.curiosityn．好奇心，求知欲(回归课本P10)CuriositydroveWangPenginside.王鹏受到好奇心的驱使，走了进去。[归纳拓展]选词填空(1)Hisanswerdidn’tsatisfymy________atall.(2)Iwas________tofindoutwhatshehadsaid.(3)He________askedmewhereIcamefrom.curiositycuriouscuriously4.liev&n．说谎；谎话，谎言(回归课本P10)HecouldnothaveYongHuigettingawaywithtellingpeoplelies!他可不能让雍慧哄骗人们却不受惩罚！tellalie/liestosb.对某人撒谎lietosb.(aboutsth.)(就某事)对某人说谎awhitelie善意的谎言（1）动词原形意义过去式过去分词现在分词lie说谎liedliedlyinglie躺;位于laylainlyinglay放置;下蛋laidlaidlaying(2)躺在那里的那个人撒谎说他把钱放在桌子上了。Theman________there________thathehad________themoneyonthetable.[即境活用]lyingliedlaid5．limitn.界限；限度vt.限制；限定搭配limit...to...把……限制在……内belimitedtosth.受限制于某事setalimitto...对……作出限制提示limit常与介词to连用。完成句子(1)我们能忍受的疼痛是有限的。Thereis____________________theamountofpainwecanbear.(2)我们要为这次旅行的花费设个界限。Wemust____________________theexpenseofthetrip.alimittosetalimitto(3)她的旅行仅限于一些法国的旅游胜地。Hertravelinghasbeen____________________afewFrenchresorts.(4)我为了减肥，限定自己每天摄入1000卡的热量。I’ve________myself________1,000caloriesadaytotrytoloseweight.limitedtolimitedto[归纳拓展]1benefitfrom/by...从……受益，得益于benefitsb.对某人有益2beofmuch，greatbenefittosb.＝bebeneficialtosb.对某人有益处forthebenefitof...为了……的利益6.benefitv．使……受益，得益于；得利于n．好处，利益，优势Alargesumofmoneyhasbeenraisedforthe________ofthepoorlyeducatedchildreninthemountainousdistricts.A．profitB．favourC．advantageD．benefit解析：选D。forthebenefitof...为了……的利益。[即境活用]Asweallknow，practicingYoga________ourhealth；thatistosay，ourhealthcan________it.A．benefitsto；benefitB．benefits；benefitfromC．benefitsfrom；benefitD．benefits；arebenefitedfrom解析：选B。句意：众所周知，练瑜伽有助于我们的健康，也就是说，我们的健康将从练瑜伽中受益。benefit常用于AbenefitsB或BbenefitsfromA结构中，两者均为固定搭配，由该结构可知应选B项。7.combinevt.&vi.(使)联合；(使)结合n．联合体搭配combine...with/and...与……结合combinetodo联合做某事根据汉语意思，完成下列句子。(1)钢是由铁加碳炼制而成的。Steelisproducedbyiron________carbon.(2)那两个党联合起来打败了政府。Thetwopartiesdefeatthegovernment.combiningwithcombinedto8.getawaywith...被放过;(做坏事)不受惩罚完成句子(1)我不能让你考试作弊而不受惩罚。Iwon’thaveyou____________________cheatingintheexam.(2)他犯了如此严重的错误，侥幸只交了罚款了事。Hewassoluckyto____________________afineforsuchaseriousmistake.联想(3)get________解释清楚；使人了解(4)get进展；与……相处(5)get各处走动；(消息)传开(6)get________开始；着手gettingawaywithgetawaywithacrosson/alongwitharound/rounddownto9．cutdown削减；删节(1)你抽烟太凶了，该少抽点。Yousmoketoomuch—youshouldtryto________.(2)文章太长了，需要压缩一下。Thearticleistoolong—itneedsalittle.联想cutin插嘴cutoff切断；中断；隔绝cutup切碎；割碎cutdown砍断cutout戒掉；改掉cutdowncuttingdown疑难语句细解1．“Nothingcouldbebetter.”Hethought.他想：“再也没有比这更好吃的了。”句型否定词＋比较级表达最高级