九年級(jí)英語全冊(cè) unit 6 when was it invented導(dǎo)學(xué)案（新版）人教新目標(biāo)版(2)

1、UnitUnit6WhenWhenwaswasititinventedinventedSectionA(1a－2d)學(xué)習(xí)目標(biāo)1重點(diǎn)單詞：heel，scoop，electricity，style，project，pleasure，zipper，daily，website，pioneer，list，mention2重點(diǎn)短語：beusedf，thinkof，haveapoint3重點(diǎn)句式：—Whenwasthetelephoneinvente

2、d—Ithinkitwasinventedin1876.WhataretheyusedfCanyouhelpmethinkofaninventionIsitreallysuchagreatinventionThinkabouthowoftenitsusedinourdailylives.Thepioneersofdifferentinventionswerelistedthere.Atthattime，itwasntusedwidely

3、.學(xué)習(xí)重點(diǎn)1重點(diǎn)短語和句型2一般過去時(shí)態(tài)的被動(dòng)語態(tài)學(xué)習(xí)難點(diǎn)一般過去時(shí)態(tài)的被動(dòng)語態(tài)自主學(xué)習(xí)一、預(yù)習(xí)課本P41－42新單詞并背誦，完成下面的漢譯英。1鞋跟________2.鏟子________3電能________4.樣式________5項(xiàng)目________6.高興________7拉鏈________8.日常的________9網(wǎng)站________10.先鋒________11名單________12.提到________二、認(rèn)真預(yù)習(xí)

4、1a－2d找出下列短語和句型。1你能幫我考慮一種發(fā)明嗎？_______________________________________________________2它真的是如此偉大的一項(xiàng)發(fā)明嗎？_______________________________________________________3考慮一下它在我們的日常生活中使用的多么頻繁。___________________________________________

5、____________4不同發(fā)明的先鋒都被列了出來。_______________________________________________________5在那時(shí)，它還沒有被廣泛地應(yīng)用。_______________________________________________________課堂導(dǎo)學(xué)StepStep1情景導(dǎo)入Teacher：Wehaveinventionseverywhere.Inventionsmakeu

6、sliveeasilyhappily.Withoutinventions，ourliveswillbemuchmedifficult.Today，wewillknowaboutafewinventionstalkaboutthehistyofthem.(Showthepicturesoffourinventionsonthescreen：acar，aTVset，atelephone，acomputer.)AinventedBdiscov

7、eredCfoundDfoundout(A)3.Theteachers________howtousecomputerinourclassyesterday.AweretaughtBtaughtCwastaughtDteach環(huán)節(jié)說明：通過聽、說、讀、寫學(xué)習(xí)訓(xùn)練讓學(xué)生掌握了一般過去時(shí)態(tài)的被動(dòng)語態(tài)；同時(shí)學(xué)生的口語表達(dá)能力在這一環(huán)節(jié)得到提升。StepStep4完成教材2d2d的任務(wù)1學(xué)生自讀對(duì)話，完成下面的問題。(5分鐘)1)判斷正誤T或F

8、；2)根據(jù)對(duì)話內(nèi)容填空；3)回答問題。1)IsthesubjectfPaulsschoolproject“inventionsthatchangedthewld.”？(F)2)RoyadvisePaultotalkaboutthe_zipper3)Whenwasthezipperinvented？whoinventeditThe_zipper_was_invented_by_Whitcomb_Judson_in_1893.2大聲朗讀2d

9、中的對(duì)話，讀熟后與同伴結(jié)對(duì)練習(xí)，分角色表演對(duì)話。(3分鐘)3邀請(qǐng)三組學(xué)生來表演對(duì)話。(3分鐘)4小結(jié)訓(xùn)練。(3分鐘)連詞成句1it，invention，is，great，really，a，suchIs_it_really_such_a_great_invention2did，popular，when，become，itWhen_did_it_become_popular3think，lives，about，daily，how，our，o

10、ften，in，it，used，isThink_about_how_often_its_used_in_our_daily_lives4can，invention，you，an，help，of，think，meCan_you_help_me_think_of_an_invention環(huán)節(jié)說明：將對(duì)話問題化，既能鍛煉學(xué)生的思維能力又能加深對(duì)課文的理解。小結(jié)訓(xùn)練又對(duì)對(duì)話中的重要句型進(jìn)行了鞏固加深。StepStep5問題探究1一般過去時(shí)態(tài)的被

11、動(dòng)語態(tài)我們的教學(xué)樓是去年建成的。(漢譯英)Our_class_building_was_built_last_year.①一般過去時(shí)的被動(dòng)語態(tài)的結(jié)構(gòu)為：主語(動(dòng)作接受者)＋waswere＋動(dòng)詞的過去分詞＋(by＋動(dòng)作執(zhí)行者)；②否定句：主語＋wasntwerent＋動(dòng)詞的過去分詞＋(by＋動(dòng)作執(zhí)行者)；③一般疑問句：WasWere＋主語＋動(dòng)詞的過去分詞＋(by＋動(dòng)作執(zhí)行者)④特殊疑問句：特殊疑問詞＋be＋主語＋動(dòng)詞的過去分詞＋(by＋動(dòng)