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Unit4ReadingandWriting2PassageBTheInventionoftheMicrowaveOvenLeadinamicrowaveovenPercySpencerFastreadingIn1946.Carefulreading•Sumuptheimportanteventsintheinventionofthemicrowaveoven,usingthecluesontheleft.chocolatebarpopcornkernelseggmetalboxCluesEventsItstartedtomeltwhenitgottooclosetoanelectronictube.Popcornwaspoppingoutoverthelabfloorwhenplacedneartheelecctronictube.Itstartedtoshakeandintheendexplodedandsplashedalloverspencer'scolleague'sface.Themicrowaveovenwasinvented.Carefulreading•Readthepassageagainandchoosethebestanswer.1.Spencer'schocolatebarstartedtomeltwhenitwas_____________.a.nearanelectronicovenb.farawayfromanelectronictubec.nearanelectronictube2.WhateventconfirmedSpencerthatmicrowaveenergycouldcookfoodquickly?a.Theexplodingegg.b.Thepopcornkernels.c.Thecolleague.3.WhatdidSpencerfeedintothemmetalboxbesidesfood?•a.Highpressure.•b.Anelectromagneticfield.•c.Microwavepower.4.Whathappenedwhenfoodwasplacedintheboxandmicrowaveenergywasfedin?•a.Thetemperatureofthefoodrose.•b.Thetemperatureofthefoodremainedthesame.•c.Thetemperatureofthefooddropped.Newwordsandexpressions1.genergate2.high-frequency3.melt4.engineer5.curious6.rise(rose,risen)7.explode(explosion)8.light(lighted/lit,lighted/lit)9.scientific10.concusion11.exposure12.thus13.practical14.domestic15.feed(fed,fed)Newwordsandexpressions•1.havenoidea•2.getcloseto•3.popout•4.bejoinedby....•5.lightup•6.workon•7.largequantitiesof•8.comeonthemarket1.不知道2.靠近3.喷出4.和......一道5.闪亮，发光6.从事7.大量的8.面市，上市1.Intrigued,Spencerplacedpopcornkernelsneartheelectronictube,soonpopcornwaspoppingoutoverthelabfloor.•好奇之下，思宾塞将爆米花谷粒放在电子管附近，很快爆米花蹦得实验室满地都是。A.intrigedadj.好奇的，着迷的•eg.Theboywasintrigedbytheleegendofdragons.男孩对龙的传说着迷了。B.popv.发出呯呯声eg.Theballoonpoppedwhenthecatputitspawonit.猫把爪子一放上去，那气球就呯地爆了。2.Therapidtemperaturerisewithintheeggwascausingtremendouspressure.鸡蛋里的温度迅速升高，造成巨大的压力。3.Spencerdesignedametalboxwithaholeintowhichhefedmicrowavepower.A.feed提供（原料）。eg.Thefireisdying.Willyoufeeditwithsomefood?火快灭了，你能给里面添加一点柴吗？B.在本句中，which引导一个定语从句修饰hole,介词into与fed搭配，该定语从句还原成正常语序后是hefedmicrowavepowerintoahole.斯宾塞设计了一个金属盒子，在上面开了个洞，他从这个洞里将微波能导入盒子。4.EngineerswenttoworkonSpencer'shotnewidea,developingandrefiningitforpracticaluse.工程师们开始忙于斯宾塞的这个新主意，对之进行开发和完善，使之具有实际用途。A.workonsth.努力改善。eg.Youshouldworkonyourskillsinpublicspeaking.你应该努力提高你公开演讲的技能。B.practical实际的，实用的。eg.That'sacleverinvention,butnotverypractical.那发明很精妙但是不太实用。C.在本句中，developingandrefiningitforpracticaluse是伴随状语，it指代Spencer'shotnewidea.Exercisesforconslidation1.Learnthenewwordsandexpressionsbyheart.2.Readthepassageagainandhaveabetterunderstandingofitscontent.