Unit4AmazingScience

Topic2

Whenwasitinvented?SectionA學(xué)科網(wǎng)A:What’sthisinEnglish?B:It’sacomputerdesk.A:What’sitmadeof?B:It’s

madeofwood.A:What’situsedfor?B:It’susedforholdingacomputer.Askandanswerholdacomputerbeusedfordoing…被用于做…A:What’stheEnglishforthis?B:It’sapieceofpaper.A:What’sitmadefrom?B:It’smadefromwood.A:What’situsedfor?B:It’s

usedforwritingon.Askandanswerbemadeof

由某種物質(zhì)做成(看得出原材料，物理過程)bemadefrom

由某種物質(zhì)制成(看不出原材料，化學(xué)過程)“由…制成”writeontoothbrush/plastic/brushteethredwine/grapes/drinkP851bA:What’sthisinEnglish?B:……A:What’sitmadeof/from?B:……A:What’situsedfor?B:……ruler/steel/measuretowel/cotton/clean

facessweater/cotton/keepwarmA:What’sthisinEnglish?B:……A:What’sitmadeof/from?B:……A:What’situsedfor?B:……學(xué)科網(wǎng)lift/iron/goupanddownink/carbon/writebed/iron/sleepA:What’sthisinEnglish?B:……A:What’sitmadeof/from?B:……A:What’situsedfor?B:……Rocket火箭amodelrocket火箭模型學(xué)科網(wǎng)Whatistherocketmadeof?Whatistherocketusedfor?ListenandanswerItisusedforsending

satellitesorspaceshipsintospace.Itismadeofmetal.p85-1a.swfPairwork

P851aReadandfind

不被允許對…有危害在…上花費太多時間火箭模型由…制成被用來做…發(fā)射…進(jìn)入從某人那學(xué)到…飛上太空有一天實現(xiàn)notbeallowedtodo…bebadfor…spend…on…toomuchtimemodelrocketbemadeof\frombeusedfordoingsend…into…learn…fromsb.gointospacesomedaycometruewishV.Shope學(xué)科網(wǎng)Keysentences他們不上我玩電腦游戲。Iamnotallowedtoplaycomputergames.1.Iamnotallowedtoplaycomputergames.2.---Whatisitmade

of?---Itismadeofmetal.3.---Whatis

arocket

usedfor?

---ItisusedforsendingsatellitesorspaceshipsintospacePassiveVoice

被動語態(tài)be+V(P.P)IwishIcouldgoingtospacesomeday.我夢想有一天我能飛向太空。wish

引導(dǎo)的賓語從句一般用來表達(dá)不太可能實現(xiàn)的愿望,所以從句多用虛擬語氣。wish常用于以下結(jié)構(gòu):wishsb.todosth.希望某人做某事；wishtodosth.希望做某事；wish+that希望(表示不太可能實現(xiàn)的愿望)。IwishthestudentstospeakEnglishinclass.

我希望學(xué)生在課堂上說英語。Iwishtohearfrommyoldfriend.

我希望收到老朋友的來信。IwishthatIcouldgoabroadsomeday.

我希望有一天我能出國。

學(xué)科網(wǎng)拓展:hope和wish的區(qū)別

hopetodosth.希望做某事；hope+that希望(表示能實現(xiàn)的愿望)。Hehopestowinthegoldmedal.他希望能贏得金牌。Ihopethatyouwillgetwellsoon.

我希望你很快康復(fù)。ReadA:What’sthisinEnglish?B:_________________.A:What’sitmadeof?B:___________________.（它是由金屬制成。）A:What’situsedfor?B:_____________________________________.（它用來幫助我們提高英語水平。）FillinblanksIt’sanMp3playerIt’s

madeofmetalIt’susedforhelpingusimproveourEnglishWhenandwherewasitdeveloped?研制；研發(fā)Invention

Time

Place

Use

Around1998KoreaImproveourEnglishMP3playerp86-2a.swfInventionTimeCountryUseDigitalcamera()1975AmericatakephotosComputer()1946AmericahelptoworkandstudyCellphone()1973Americacommunicate

2b.Matchthepictureswiththeirnames.213312Makeupdialogsaccordingtotheform.A:What’sthis?B:It’sa(an)…A:What’situsedfor?B:It’susedfor…A:Whenwasitdeveloped?B:Itwasdevelopedin…A:Wherewasitdeveloped?B:Itwasdevelopedin…InventionTimeCountryUseMP3player1998KoreaimproveEnglishDigitalcamera1975AmericatakephotosComputer1946AmericahelptoworkandstudyCellphone1973AmericacommunicateSumupImportantphrasesGrammarfocus()1.He___playcomputergamesunlesshefinishedhishomework.A.wasallowedtoB.wasnotallowedtoC.allowto()2.Weallknowthatpaper___wood.A.ismadeofB.ismadeintoC.ismadefromBCI.Choosetherightanswers.Youcandoit.ExceriseⅡ.Changethefollowingsentences.1.Mymotherallowsmetousehercellphone.(改為被動語態(tài))I_______________usemymother’scellphone.2.Arocketisusedforlaunchingsatellitesandspaceships.(就畫線部分提問)_________arocket________?3.Thedigitalcamerawasinventedin1975.(就劃線部分提問)__________thedigitalcamera________?amallowedto

WhatisusedforWhenwasinventedbemadeof

由某種物質(zhì)做成(看得出原材料，物理過程)bemadefrom

由某種物質(zhì)制成

(看不出原材料，化學(xué)過程)bemadeupof由幾部分組成bemadein在某地/某時制造bemadeby由某人制造bemadeinto被制成

…1.LanguagepointsReadbeused