Unit6 Topic3 Bicycle riding is good exercise. SectionB 初中英語學(xué)案（無答案）

初二學(xué)年英語學(xué)科學(xué)案課題：Unit6Topic3SectionB課型：聽說課授課時(shí)間：學(xué)案編號(hào)：8-6-3B主編：審核：【學(xué)習(xí)目標(biāo)】：Teachingaimsanddemands教學(xué)目標(biāo)1.Learnsomenewwords:warn,motorcycle,trouble2.Goonlearningtheusagesofadverbialclausesofcondition:Ifwerideatnight,weshouldhavelightsonthebicycleorwearlight-coloredclothes.Ifwebreakthetrafficrules,wewillgetafineandevenbeindanger.3.Talkabouttrafficrules,signsandwarnings.【重點(diǎn)難點(diǎn)】：if引導(dǎo)的條件狀語從句【學(xué)習(xí)流程】Before-LearningBefore-Learning預(yù)習(xí)：預(yù)習(xí)新單詞I.Readandlearnthenewwords（P126）根據(jù)音標(biāo)熟讀單詞，同桌互考。=2\*ROMANII.Knowhowtousekeywords.理解重點(diǎn)詞的用法1.finen.詞義_______getafine意為____________________He______a￥40_______yesterday.他昨天被罰款40元。v.意為______finesb.fordoingsth.意為_______________他違章停車，警察對(duì)他處以50美元的罰款。eg:Thepolicehim＄50for（2）adj.詞義：“健康的，優(yōu)質(zhì)的，令人滿意的，天氣晴朗的，高尚的，華貴的”finewine譯___________awomaninfineclothes譯______________warnv.詞義_______過去式_________(1)warnsb.todo意為__________________________他警告她要保持沉默Eg:______________________________拓展：(2)warnsb.nottodo=warnsb.againstdoingsth.漢意_______________________Hisfatheroften______him____________________ontheroad.=Hisfatheroften_______him______________ontheroad.他爸爸經(jīng)常警告他，不要在馬路上玩耍。(3)warnsb.of/about/againststh.意為____________________3.troublen.意為____________eg:你有什么困難？What’syourtrouble?v.意為__________eg:是什么使你如此煩惱？______________________________introuble“處在麻煩中”beintroublehavedifficulty/problems/trouble(in)doing做某事有困難、問題、麻煩Eg:Thelittleboyhasdifficulty/problems/trouble(in)talkingwithothers.任務(wù)二翻譯短語（1）警告/提醒某人做某事_________________________________（2）處以罰金__________________________________（3）遵守交通規(guī)則_______________________________________（4）違背交通規(guī)則________________________________________（5）在路的左側(cè)_______________________________________（6）轉(zhuǎn)錯(cuò)了彎__________________________________（7）受傷_____________________________________(8)導(dǎo)致麻煩____________________(9)橫穿擁擠的公路__________________(10)不小心駕駛____________________III．預(yù)習(xí)SectionB內(nèi)容While-LearningWhile-Learning1.GroupWorktolearn1a1.Listening:1.一聽：Listento1aandanswerthequestion.Whatshouldwedotokeepussafewhenweridebicycles?2.二聽：Listento1aagainandfindoutthephrasesinit.3.Letstudentsread1aandfindouttheiradvice4.Workalone:LettheSstolearnaboutthetrafficrulesandthetrafficsigns.Finish1b.Theteacherexplainsthefirsttwotrafficsigns,usingadverbialclausesofcondition.5.Read1aagainandfindoutthesentencescontainingadverbialclausesofcondition.(條件狀語從句)Learntheusageofadverbialclausesofconditionwith“if”.Do2and3.知識(shí)點(diǎn)講解：1.Ifwebreakthetrafficrules,wemaygetafineandevenbeindanger.如果違反交通規(guī)則，我們會(huì)受到處罰，甚至?xí)芪ｋU(xiǎn)。(1）breakv.打破，違反，破壞。n.休息，停頓。haveabreak=havearest(2)beindanger處于危險(xiǎn)中（3）if引導(dǎo)________狀語從句，如果主句是一般將來時(shí)，從句應(yīng)該是___________.2.Youmustdriveontheleft-handsideoftheroad.你必須在馬路左側(cè)行駛。ontheleft-handsideoftheroad=ontheleftoftheroad在馬路左側(cè)ontheright-handsideoftheroad=ontherightoftheroad在馬路右側(cè)注意：在左/右邊，介詞用on.3.Carsoftencost100timesasmuchasbicycles.譯為：_____________________________________________________比較級(jí)表示倍數(shù)的方法：（1）…倍數(shù)+as+形容詞/副詞的原級(jí)+as…表示“…是…的幾倍”_____________________________________________.這個(gè)花園是那個(gè)的十倍大(2)…倍數(shù)+形容詞/副詞的比較級(jí)+than…表示“…比…大（長(zhǎng)，多…）幾倍”如：Ourroomistwicelargerthantheirs.我們的房間比他們的大兩倍。Ourroomis_____________thantheirs.=Ourroomis___________as_______astheirs.我們的房間比他們的大兩倍。（即：我們的房間是他們的三倍大。）注意：倍數(shù)中一倍用once，兩倍用twice，三倍級(jí)以上用theretimes，fourtimes等。After-learningAfter-learning1.Makesimilarconversationsa