Unit4Whenwasitinvented-SectionB精品文档

1、unit 4 when was it invented ?sectionbunit4whenwasitinvented?sectionbteachingaims:tolearntousepassivevoicetoreadaboutteastep1reviewthenewwordsandtheusefulphrases，andusethemtomakesomesentencesallbythemselves.表示“错误地_2.“错把当作_3.足够咸_4.直到才”，_5.撒于_6.偶然，无意中_.小汽车是什么发明的？_2.它是在1885年发明的。_3.它们是由谁发明的？_4.它们是由juliet

2、hompson发明的。_5.它们是用来做什么的？_6.它们是用来在黑暗处看东西的。_step2.1.readthearticleandwriteanswerstothequestions.whatisthearticleabout?2.whenwasitinvented?3.whowasitinventedby?4.howwasitinvented?step3.listentothetapethenfillinblanks,thenchecktheiranswers.whoinventedtea?didyouknowthattea,themost_drinkintheworld,_byacci

3、dent?althoughtea_tothewesternworlduntil1610,thisbeverage_overthreethousandyearsbeforethat._anancientchineselegend,theemperorshennongdiscoveredteawhenhe_drinkingwateroveranopenfire.someleavesfromanearbybush_thewaterandremainedthereforsometime.theemperornoticedthattheleavesinthewater_apleasantsmell.la

4、terhedecidedtotastethehotmixture.itwasquitedelicious.and_,oneoftheworldsfavorite_wasinvented.step4retellthearticleaccordingtothekeywordsandtheform.popular2.wasinvented3.wasntbrought4.wasdiscovered5.aduced9.dhiswaywhat:itisabouttheinventionoftea.who:thec

5、hineseemperorshennong.when:overthreethousandyearsago.where:how:today:step5explainthedifficultpoints（小组讨论并造句）step6writeanarticleusingthenotesinthebox.workingroupsandmakesomeconversationsjustlikethisa:whoinventedtheflyingdisk?b:theflyingdiskwasinventedbycollegestudents.-who:collegestudentswhat:metalpi

6、eplate,flyingdiskwhen:950where:bakerybridgeport,connecticutwhy:newtoyhow:studentseatpie,throwpieplatestoday:clubs,magazines,festivalstep7.askthestudentstopractice3b，writeanarticleusingthenoteinthebox.frompieplatetoflyingdisk.theflyingdiskwasinventedbycollegestudents._step7.dosomeexercises（自我检测）一、根据所

7、学短文完成填空。didyouknowthattea,themostpopulardrinkintheworld,_（invent）byaccident?althoughtea_（notbring）tothewesternworlduntil1610,thisbeverage_（discover）overthreethousandyearsbeforethat._（根据，通过）anancientchineselegend,theemperorshennongdiscoveredteawhenhe_（boil）drinkingwateroveranopenfire.someleavesfromanearbybush_（落入）thewaterandremainedthereforsometime.theemperornoticedthattheleavesinthewater_（produce）apleasantsmell.laterhedecided_thehotmixture.itwasquitedelicious.and_,oneoftheworldsfavorite_（drink）wasinvented.二、背过下列重点句并默写在学案上，注意书写认真.茶是世界上最受欢迎的饮料（仅次于水），你知道它是由于一个偶然的原因而发明出