1、Unit 4 Save the treeslbranch n. 樹(shù)枝Words 單詞lpinen. 松樹(shù)l 討論n. discuss/discussesl疾病n. disease/diseasesv. imaginel搬；扛；背v. carryl想象；設(shè)想l主要的v. majorl方便的v. convenientn. gas/gasesl氣體l save the trees拯救樹(shù)木Phrases 短語(yǔ) 與作斗爭(zhēng)lproduce oxygenl a piece of furniture產(chǎn)生氧氣ldig a hole一件家具ldug a hole 挖洞l fight againstl吸收 take

2、 in /took in Phrases 短語(yǔ)l來(lái)自 come from /came froml例如 for examplel確切地說(shuō) in factl環(huán)顧四周 look around be made of l由制成l大量的；數(shù)以百萬(wàn)計(jì)的 millions ofl對(duì)有用；有好處be good forbe bad forbe harmful forlThey keep the air cool and clean.Sentences 句子1.樹(shù)保持空氣的清爽和干凈。keep +名詞+形容詞。請(qǐng)保持課室的清潔。Please keep the classroom clean.lTrees make

3、our lives more convenient .Sentences 句子2.樹(shù)讓我們的生活變得更方便。make +名詞+形容詞。請(qǐng)讓城市變得綠化。Please make the city clean.lMany of the trees in our daily lives come from trees.Sentences 句子3.我們生活中很多事物來(lái)自樹(shù)。4.許多家具是由木材制成的A lot of furniture is made of wood .The Present Continuous Tense 現(xiàn)在現(xiàn)在進(jìn)行時(shí)進(jìn)行時(shí) The students are listening

4、to the teacher. He is watching TV now. We are working on a farm these days. I am writing a book this month.1. 表示表示現(xiàn)在現(xiàn)在(說(shuō)話瞬間說(shuō)話瞬間)正在進(jìn)行或發(fā)生的動(dòng)作。如：正在進(jìn)行或發(fā)生的動(dòng)作。如：2.表示表示當(dāng)前一段時(shí)間內(nèi)當(dāng)前一段時(shí)間內(nèi)的活動(dòng)或的活動(dòng)或現(xiàn)階段現(xiàn)階段正發(fā)生的事情。如正發(fā)生的事情。如:與現(xiàn)在進(jìn)行時(shí)連用的時(shí)間狀語(yǔ)：與現(xiàn)在進(jìn)行時(shí)連用的時(shí)間狀語(yǔ)： at present 目前目前;現(xiàn)在現(xiàn)在 at the moment 此刻此刻,現(xiàn)在現(xiàn)在 right now 此刻此刻,現(xiàn)在現(xiàn)在;立

5、刻立刻,馬上馬上 now 現(xiàn)在現(xiàn)在 these days 這些天這些天 提示提示語(yǔ)語(yǔ): Look ! Listen !feelfeelingwrite writingdie dyingrun running-ing form ExampleWe form the ing form of the main verb like this:+ing e+ing去ie+yingDouble the consonant letter + ing瞬間動(dòng)詞瞬間動(dòng)詞不能用現(xiàn)在進(jìn)行時(shí)不能用現(xiàn)在進(jìn)行時(shí) P51表感官：表感官： hear see smell taste 表感請(qǐng)：表感請(qǐng)：like prefer hate love .表心理活動(dòng)：表心理活動(dòng)：believe understand know want I know the ans