江苏专用高中英语unit1theworldofoursensesperiodonewelcometotheunit&reading讲义牛津译林版必修3

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1、Unit1TheworldofoursensesPeriodOneWelcometotheunit&ReadingWhat’sthatsmell？Doyouhearthatnoise？Tastethis！Lookatme！Feelthis，isn’titsoft？Whenyouhear，orevenusethesephrases，youprobablydon’tstoptothinkaboutwhyweusethem.Well，it’sbecauseofoursense.Withoutusevenknowing，oursenseorgans(no

2、se，eyes，ears，tongue，andskin)aretakingininformationandsendingittothebrainforprocessing.Ifwedidn’thavethem，wewouldnotbeabletosmell，see，hear，taste，ortouchanything!Sensesarethephysicalmeansbywhichalllivingthingssee，hear，smell，taste，andtouch.Eachsensecollectsinformationaboutthewor

3、ldanddetectschangeswithinthebody.Bothpeopleandanimalsgetalloftheirknowledgefromtheirsenses，andthatiswhysensesaresoimportant.Allsensesdependontheworkingnervesystem.Oursenseorgansstarttoworkwhensomethingstimulatesspecialnervecells，calledreceptors，inasenseorgan.Oncestimulated，th

4、ereceptorssendnerveimpulsesalongsensorynervestothebrain.Yourbrainthentellsyouwhattodo.Forexample，yoursoundreceptorsareoftenattackedbybillionsofsoundwaves.Whenthesesignalsreachthepartofthebraincalledthecerebralcortex，webecomeconsciousofthesounds.Notes1．processv．处理2．detectvt.发现

5、，查明3．stimulatev．刺激，激发4．impulsen．脉冲5．thecerebralcortex大脑皮层Task根据上文完成下列各题1．Sensesareveryimportantbecausebothpeopleandanimalsgetalloftheirknowledgefromthem.2．Howdooursenseorgansdealwithinformation?Oursenseorganstakeininformationandsendittothebrainforprocessing.3．Whatdoallsensesr

6、elyon?Allsensesdependontheworkingnervesystem.PeriodOne　Welcometotheunit&Reading　　　　　　　　　　　　　　　　　　　Ⅰ.单词自测1.raisedadj.凸起的raisevt.举起，抬升2．confusevt.使糊涂，使迷惑confusingadj.令人混乱的；令人困惑的confusionn．混乱(状态)confusedadj.感到混乱的3．fogn．雾foggyadj.有雾的，雾茫茫的4．forecastvt.&n．预测，预报forecast过去式forecast过去

7、分词5．conductorn．(公交车)售票员；(乐队)指挥conductvt.指挥；实施；带领6．observevt.观察；注意到；评论observationn．观察observern．观察者7．glancevi.&n．瞥一眼，匆匆看8．nowhereadv.无处，到处都不9．whereveradv.&conj.无论哪里10．narrowadj.狭窄的11．approachvi.&vt.靠近；着手处理；n.靠近；方法；路径12．darknessn．黑暗darkadj.黑暗的13．hesitatevi.犹豫，迟疑不决hesitationn．犹豫1

8、4．graspvt.抓紧，抓牢15．starevi.凝视，盯着看16．anxiousadj.焦虑，忧虑anxietyn．焦虑17．fir