九年級(jí)U2T2SB.doc

鳳陽(yáng)縣城北中學(xué)教學(xué)案年級(jí)九科目英語(yǔ)主備王廣東參加集體備課人員吳勝芳 魏宗芳馬曉靜內(nèi)容Unit 2 Topic2 SectionB課型新授使用時(shí) 間第 周學(xué)習(xí)目標(biāo)知識(shí)與能力目標(biāo)：1、學(xué)習(xí)生詞和短語(yǔ)。2、談?wù)撚嘘P(guān)環(huán)境惡化和環(huán)境保護(hù)的話題。過(guò)程與方法目標(biāo)：學(xué)生自主預(yù)習(xí)的基礎(chǔ)上，開展小組合作，師生共同探究。情感態(tài)度與價(jià)值觀目標(biāo)：通過(guò)談?wù)摥h(huán)境惡化的話題，養(yǎng)成自覺愛護(hù)環(huán)境的意識(shí)。重點(diǎn)掌握生詞和短語(yǔ)。難點(diǎn)掌握生詞和短語(yǔ)。學(xué)習(xí)過(guò)程預(yù)習(xí)導(dǎo)學(xué)一、預(yù)讀課后詞匯將下列詞匯譯成英語(yǔ)。 1、砍倒_ 2、把變成_3、沙漠_ 4、防止，預(yù)防_ 5、人_ 6、盡管，雖然_7、法律_ 8、關(guān)掉_二、預(yù)習(xí)課文，翻譯下面的句子。1、多么糟糕的天氣??！2、人們砍伐了太多的樹木。3、結(jié)果，許多富饒的土地變成了沙漠。4、樹木可以阻止風(fēng)吹走土壤。5、水對(duì)人類非常重要，但不是每個(gè)人都知道如何保護(hù)環(huán)境。6、通過(guò)法律制止水污染。研究探索一、預(yù)習(xí)情況交流：1.同學(xué)們交流預(yù)習(xí)情況，核對(duì)預(yù)習(xí)題答案。2.你在預(yù)習(xí)中遇到難題了嗎？提出來(lái)大家討論一下。二、互動(dòng)學(xué)習(xí)探索：1、談?wù)摬⑼瓿上旅娴膬?nèi)容： 寫出同義句：I couldnt see anything. I could _ _ . stopfrom doing sth.和preventfrom doing sth意為_。其中，前者的介詞from可以省略。翻譯下面的句子： 這場(chǎng)大雪使游客不得不停留在上頂上。 _ although意為_，引導(dǎo)讓步狀語(yǔ)從句，相當(dāng)于_。翻譯下面的句子： 盡管他不認(rèn)識(shí)我們，但他幫助了我們。 He helped us, _ . 注意：although(though)與but不能同時(shí)使用，但although(though)后仍可以使用yet或still。 加強(qiáng)語(yǔ)氣時(shí)可以用even though，但不用even although。 remember to do sth.意為_；remember doing sth.意為_。翻譯句子： 我記得在那次聚會(huì)上見過(guò)你。 _ . 要記住離開房間時(shí)把燈關(guān)掉。 _ .2、聽1a錄音，完成1b并核對(duì)答案。3、完成1c部分，并核對(duì)答案。4、完成2部分，選幾個(gè)同學(xué)匯報(bào)他們的討論結(jié)果。 鞏固擴(kuò)展一、根據(jù)首字母或漢語(yǔ)提示填空。1. We should p_ the factory from polluting the river.2. A_ he got up early,he missed the early train.3. In Sweden it is against the l_ to hit a child.4. I saw her singing in the next room_ _（剛才）.5. We should try our best to _ desert _（把變成）forests.二、用所給詞的適當(dāng)形式填空。1.What bad weather!The wind is blowing_(strong) and it is raining _(heavy).2.Forests can stop the water from_(wash) the earthaway.3.They_(cut) down too many trees since last year.4.Remember_(turn) off the lights when you leave.5.Its very _(importance) to protect our environment.三、 完形填空。Hundreds of years ago, life was much harder than today.People couldnt use modern machines.Of course, there was no modern machine, _1_.Life today is better, but there are new problems.One of the biggest is pollution.Water pollution has _ 2_ our rivers and lakes dirty.It kills our fish and affects our drinking water.Noise pollution makes us _ 3_ louder and become angry more easily.Air pollution is the most serious kind of pollution.It affects _ 4_ living things in the world.Cars, planes and factories all pollute our air every day.Sometimes the pollution is so _ 5_ that it is like a quilt（被子）covers a city.This kind of quilt is called smog（霧）.Many countries are making new laws to _ 6_ pollution.Factories must now clean waste water _ 7_ it is thrown away, and they mustnt blow dirty smoke into the air.We need to do many other things.We can put waste things in the dustbin _ 8_ throwing them on the ground.We can go to work by bus _9_ go to our office with our friends in a car.If the traffic is less and _ 10_ , the pollution will be less.And the environment will be better and better.( )1.A.alsoB.tooC.eitherD.neither( )2.A.letB.changedC.takenD.made( )3.A.sayB.talkC.tellD.speak( )4.A.everyB.oneC.allD.most( )5.A.lightB.hardC.thickD.thin( )6.A.protectB.fightC.saveD.try( )7.A.sinceB