Unit 1 Welcome to the unit 课件.ppt

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1、Unit1Welcometotheunit课件What’retheyabout?What’retheyabout?Unit1TheworldofoursensesWelcometotheunitBrainstormingWithwhatcanweseeandhear?Howcanweknowwhetheradishisdelicious?Howcanweknowthataflowerhasapleasantsmell?Whatdowedowhenwewanttoknowwhetherthewaterinthebasini

2、shotorcold?FivesensesWedowiththesenseseeeyessightheartastesmelltouch/feelearshearingtongue/tastebudstastenosesmellhands/feet/skintouchFillinthetableWhatwouldhappenifyoulostoneortwoofyoursenses?Apersonwhocannotseeis_______andsomeonewhocannothearis________.blinddea

3、fReadtheshortpassageonpage1Doyouknowhowblindpeoplecanread?Howdothedeafcommunicatewitheachother?Theblindpeoplecanreadbytouchingraiseddotswhichrepresentnumbersandletters.ThissystemiscalledBraille.Thedeafusebodylanguageorsignlanguage.Lookatthefourpicturesandanswerth

4、equestionbeloweachpicture.Picture1:Whatcanyouseeinthispicture?Picture2:Howwouldyoujudgethelengthofthetwolines?Picture3:Howcanyouprovethatthetwolinesarestraight?Picture4:Canthesymbolsbereadinonlyoneway?Picture1:Whatcanyouseeinthispicture?Ifwelookatthewhitepart,wec

5、anseeavase.Ifwelookattheblackpart,wecanseetwofaces.Picture2:Howwouldyoujudgethelengthofthetwolines?Wecanusearulertomeasurethetwolines.Orwecanusetwopiecesofpapertocoverbothendsofthetwolines.Picture3:Howcanyouprovethatthetwolinesarestraight?Wecanplacearulernexttoth

6、eline.Wecanalsousearulertodrawmorestraightlineswhichrunparalleltothetwolines.Picture4:Canthesymbolsbereadinonlyoneway?ThesymbolsinlinebcanbereadasthelettersK,B,R,M,orK,13,R,M.DiscussionReadthethreequestionsintheshortpassageanddiscussthemingroupsoffour.Reportyoura

7、nswerstothewholeclass.DiscussionDoyouuseoneofyoursensesmorethantheothers?Giveanexample.Somepeoplecannotremembersomethinguntiltheyhaveseenit.Otherpeopleonlyneedtohearsomethingonceortwicebeforetheycanrememberit.Whichsensehelpsyoulearnbest?Howdoesithelpyou?Doyouknow

8、ofanypeoplewhohavemadegreatachievementseveniftheyhavelostoneoftheirsenses?Whatdidtheyachieve?Somegreatpeoplewhohavelostoneortwoofhissenses他年轻时患有耳疾，３２岁时加重，４９岁时完