鳳陽縣城北中學教學案年級九科目英語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 間第 周學習目標知識與能力目標：1、學習生詞和短語。2、談?wù)撚嘘P(guān)環(huán)境惡化和環(huán)境保護的話題。過程與方法目標：學生自主預(yù)習的基礎(chǔ)上，開展小組合作，師生共同探究。情感態(tài)度與價值觀目標：通過談?wù)摥h(huán)境惡化的話題，養(yǎng)成自覺愛護環(huán)境的意識。重點掌握生詞和短語。難點掌握生詞和短語。學習過程預(yù)習導(dǎo)學一、預(yù)讀課后詞匯將下列詞匯譯成英語。 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)習課文，翻譯下面的句子。1、多么糟糕的天氣啊！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、樹木可以阻止風吹走土壤。5、水對人類非常重要，但不是每個人都知道如何保護環(huán)境。6、通過法律制止水污染。研究探索一、預(yù)習情況交流：1.同學們交流預(yù)習情況，核對預(yù)習題答案。2.你在預(yù)習中遇到難題了嗎？提出來大家討論一下。二、互動學習探索：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： 這場大雪使游客不得不停留在上頂上。 _ although意為_，引導(dǎo)讓步狀語從句，相當于_。翻譯下面的句子： 盡管他不認識我們，但他幫助了我們。 He helped us, _ . 注意：although(though)與but不能同時使用，但although(though)后仍可以使用yet或still。 加強語氣時可以用even though，但不用even although。 remember to do sth.意為_；remember doing sth.意為_。翻譯句子： 我記得在那次聚會上見過你。 _ . 要記住離開房間時把燈關(guān)掉。 _ .2、聽1a錄音，完成1b并核對答案。3、完成1c部分，并核對答案。4、完成2部分，選幾個同學匯報他們的討論結(jié)果。 鞏固擴展一、根據(jù)首字母或漢語提示填空。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