深圳七年级下册英语-Unit4课件.ppt

1、1.拯救拯救v2.松树松树n3.讨论讨论v4.树枝树枝n5.根根n6.与与作斗作斗争争v7.反反对对prep8.例子例子n save pine discuss branch root fight against example9.产生产生v10.氧气氧气n 11.主要的主要的adj12.方便的方便的adj13.家具家具n14.想象想象v15.疾病疾病n16.挖挖v produce oxygen major convenient furniture imagine disease dig17.洞洞n18.搬搬v19.容器容器n20.吸收吸收21.来自来自22.例如例如23.事实上事实上24.环顾

2、四周环顾四周 hole carry container take in come from for example in fact look around25.由由制成制成26.几百万几百万27.对对有好处有好处 be made of millions of be good for1.拯救树木拯救树木2.更多地了解更多地了解3.在很多方面在很多方面4.保持空气凉快保持空气凉快5.吸收吸收6.有害的气体有害的气体7.产生氧气产生氧气8.空气污染空气污染9.抵抗污染的卫士抵抗污染的卫士10.使使更方便更方便 save the trees know more about in many ways k

3、eep the air cool take in harmful gases produce oxygen air pollution fighters against pollution makemore convenient11.例如例如12.事实上事实上13.从从获得多得多获得多得多14.由由制成制成15.在我们日常生活中在我们日常生活中16.没有树的世界没有树的世界17.砍树砍树18.数以百万计数以百万计19.停止做某事停止做某事20.尽我们做大努力做尽我们做大努力做 for example in fact get a lot more from be made of in our d

4、aily lives a world without trees cut down trees millions of stop doing sth do our best to do sth 1.be harmful to对对有害的有害的=be bad for 2.produce产生产生=make 3.major主要的主要的=big and important 4.make sth more convenient使使更方便更方便=make sth easier 5.imagine sth想象某事想象某事=think of sth in your mind 6.in fact事实上事实上=as

5、 a matter of fact e from来自来自=be from 8.discuss sth讨论某事讨论某事=talk about sth 1.他们使空气凉爽和干净。他们吸入来他们使空气凉爽和干净。他们吸入来自空气的有害气体自空气的有害气体,产生为我们呼吸的产生为我们呼吸的氧气氧气.它们是对抗空气污染的主要战士。它们是对抗空气污染的主要战士。They keep the air cool and clean.They take in harmful gases from the air and produce oxygen for us to breathe.Theyre major f

6、ighters against air pollution.2.我知道树木也使我们的生活更方便。我知道树木也使我们的生活更方便。在我们日常生活中许多东西来自于树在我们日常生活中许多东西来自于树木。木。I know trees also make our lives more convenient.Many of the things in our daily lives come from trees.3.确切地说，我们从树木得到多得多的确切地说，我们从树木得到多得多的东西。我们从它们中得到水果和油。东西。我们从它们中得到水果和油。茶叶也是来自树木的叶子。茶叶也是来自树木的叶子。In fact

7、,we get a lot more from trees.We get fruit and oil from them.Tea also comes from the leaves of trees.4.许多及家具由木头制成。树木在我们许多及家具由木头制成。树木在我们日常生活中真的是重要的。日常生活中真的是重要的。A lot of the furniture is made of wood.Trees are really important in our daily lives.5.我很难想象没有树木的世界。我很难想象没有树木的世界。I cant imagine a world witho

8、ut trees.6.但是我们每年砍伐数以百万计的树但是我们每年砍伐数以百万计的树木木.我们应该停止做这个我们应该停止做这个,如果我们不想如果我们不想要一个没有树木的世界的话。要一个没有树木的世界的话。But we cut down millions of trees every year.We should stop doing this if we dont want a world without trees.1.discuss(名词名词):_ 2.branch(复数复数):_3.fight(过去式过去式):_ 4.fight(斗士斗士):_5.against(反义词反义词):_ 6.h

9、arm(形容词形容词):_7.gas(复数复数):_ 8.produce(同义词同义词)_9.major(同义词同义词):_ 10.convenient(名词名词):_ discussion branches fought fighter for harmful gases make big and important convenienceExercise 1:词形变换。词形变换。11.imagine(名词名词):_ 12.dig(过去式过去式):_e from(同义词同义词):_ 14.in fact(同义词同义词):_15.be good for(反义词反义词):_ imaginatio

10、n dug be from as a matter of fact be bad for 1.Trees help fight _ pollution.2.Trees provide us _ wood and fruit.3.Trees are home _ birds and animals.4.I want to know more _ trees.5.I want to interview you _ trees.6.Trees help us _ many ways.7.Trees can take _ harmful gases.8.Trees produce oxygen for

11、 us _ breathe.9.Trees are fighters _ air pollution.10.We get a lot of things _ trees.11.Many of the things come _ trees.12.Trees are really important _ our daily lives.13._ fact,we get a lot more from trees.14.Look _ this room,and you will find a lot of furniture is made _ wood.15.We cant live in a

12、world _ trees.againstwithto about about in in to against from from in In around of without 16.Trees can keep the air cool and _.(clean)17.Eating junk food is _(harm)to our health.18.Burning oil gives out lots of harmful _(gas).19.Trees give out oxygen for us _(breathe)20.They are major _(fight)against air pollution.21.Trees make our lives _(convenient).22.I cant imagine _(live)in a world without trees.clean harmful gases to breathe fighters more convenient living 23._(million)of trees are cut down every year.24.Stop _(talk)!Its time to begin our class.Millions talking