Unit-4-the-invention-of-the-microwave-oven微波爐的發(fā)明

Unit4ReadingandWriting2

PassageBTheInventionoftheMicrowaveOvenLeadinamicrowaveovenPercySpencerFastreadingWhenwasthemicrowaveoveninvented?In1946.CarefulreadingSumuptheimportanteventsintheinventionofthemicrowaveoven,usingthecluesontheleft.chocolatebarpopcornkernelseggmetalboxCluesEventsItstartedtomeltwhenitgottooclosetoanelectronictube.Popcornwaspoppingoutoverthelabfloorwhenplacedneartheelecctronictube.Itstartedtoshakeandintheendexplodedandsplashedalloverspencer'scolleague'sface.Themicrowaveovenwasinvented.CarefulreadingReadthepassageagainandchoosethebestanswer.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)Neonthemarket1.不知道2.靠近3.噴出4.和......一道5.閃亮，發(fā)光6.從事7.大量的8.面市，上市1.Intrigued,Spencerplacedpopcornkernelsneartheelectronictube,soonpopcornwaspoppingoutoverthelabfloor.好奇之下，思賓塞將爆米花谷粒放在電子管附近，很快爆米花蹦得實驗室滿地都是。A.intrigedadj."好奇的，著迷的"

eg.Theboywasintrigedbytheleegendofdragons.男孩對龍的傳說著迷了。B.popv."發(fā)出呯呯聲"eg.Theballoonpoppedwhenthecatputitspawonit.貓把爪子一放上去，那氣球就呯地爆了。2.Therapidtemperaturerisewithintheeggwascausingtremendouspressure.雞蛋里的溫度迅速升高，造成巨大的壓力。3.Spencerdesignedametalboxwithaholeintowhichhefedmicrowavepower.A.feed"提供（原料）"。eg.Thefireisdying.Willyoufeeditwithsomefood?

火快滅了，你能給里面添加一點柴嗎？B.在本句中，which引導一個定語從句修飾hole,介詞into與fed搭配，該定語從句還原成正常語序后是hefedmicrowavepowerintoahole.斯賓塞設計了一個金屬盒子，在上面開了個洞，他從這個洞里將微波能導入盒子。4.EngineerswenttoworkonSpencer'shotnewidea,developingandrefiningitforpracticaluse.工程師們開始忙于斯賓塞的這個新主意，對之進行開發(fā)和完善，使之具有實際用途。A.workonsth."努力改善"。

eg.Youshouldworkonyourskillsinpublicspeaking.

你應該努力提高你公開演講的技能。B.practical"實際的，實用的"。

eg.That'sacleverinvention,butnotverypractical.

那發(fā)明很精妙但是不太實用。C.在本句中，developingandrefiningitforpracticaluse是伴隨狀語，it指代Spencer'shotnewidea.

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