1、Unit 7 Know Our WorldLesson What do you do with your garbage?What kind of things can be recycled and reused?What do you do with your garbage?donate to schools project sell for moneyreuse and recycle Have you seen these signs before?Empty bottles or cans.Rubbish that can be recycled.Other waste thing
2、s.Now lets look at garbage.glassmetalplasticpaperotherWords&expressionsListen to the dialogue.Danny empties two bags of garbage onto the floor.Jenny:Thats a lot of garbage!Can I help you sort it?Danny:Yes,please.Lets put the glass here,the metal here,the plastic here and the paper here.(After they s
3、ort the garbage,Danny and Jenny are surprised.Almost all of it can be reused orrecycled!They need to throw away only onesmall bag of garbage!)Jenny:People throw too much away.They shouldnt waste so much!Danny:Thats right.Look!There is more paper than plastic.And there is less metal than plastic.Ther
4、e is the least amount of glass.Jenny:And the most amount is paper.It is a waste to use paper only on one side.Danny:Hey!I found a toy car.One of the wheels is broken.Ill take this car home and clean it.Then Ill use some glue to fix the broken wheel.When I finish fixing this car,I will give it to my
5、little cousin,Debbie.Jenny:Nobody should throw away a toy like this.It can be fixed.Its not right to waste things.Look at all of the glass.It can all be recycled and made into new glass.Danny:A lot of glass is broken.It dangerous to leave broken glass on the ground.Once,I cut my foot on a piece of b
6、roken glass.Jenny:Litter can hurt people!Language points What can you do on a computer?How do you use the Internet?play games,watch movies,listen to music,read novels,chat with friends,shop,send or receive e-mailsWords&expressionstechnologydesktoptabletkeyboardinvitationindustryn.技术技术n.台式电脑；桌面台式电脑；桌
7、面n.平板电脑；牌；碑平板电脑；牌；碑n.键盘键盘n.邀请邀请n.工业；企业；行业工业；企业；行业 To understand the passage.2.To learn some useful words and expressions to talk about how we use the Internet.ObjectivesWords:technology,desktop,keyboard,invitation,industry,tabletPhrases:used to dochat withmore thanIf+从句，主句从句，主句Patterns:Read and answ
8、er.1.What does Jenny like to use the Internet to do?She likes to use the Internet to read about sports and technology.2.What does Danny like doing?He likes chatting with his friends online.3.How many people are following Dannys blog?500 people.4.What can Danny and his friends do if they want to have
9、 a meeting?They can send the invitation online.5.What does Brain like doing on the Internet?He likes doing research for his work.6.How will Brain send his research to his Grandpa?By e-mail.Language points1.I used to have a desktop computer,but now I have a tablet.我我过去过去有一台台式电有一台台式电脑，但现在我有一台笔记本电脑。脑，但
10、现在我有一台笔记本电脑。used to do sth.过去常常过去常常/过去惯常做过去惯常做 He used to go shopping every morning.他他以前以前每天上午都去商店买东西。每天上午都去商店买东西。We used to be good friends,but fell apart about a year ago.我们我们过去曾经过去曾经是好朋友，但一年前关系破是好朋友，但一年前关系破裂了。裂了。be/get/become used to+n./doing sth.习惯于做习惯于做He should be used to doing more important
11、jobs.真是大材小用。他应该去做一些更重要的真是大材小用。他应该去做一些更重要的工作。工作。Get used to the idea of celebrating your successes.要有取得成功时为自己庆祝的习惯。要有取得成功时为自己庆祝的习惯。I become used to getting up early in the morning.我习惯早起。我习惯早起。2.I like chatting with my friends online.我喜欢和朋友在网上我喜欢和朋友在网上聊天聊天。chat with 和和聊天聊天How do you make friendly chat
12、 with yourcolleagues?你如何和同事进行友好的你如何和同事进行友好的聊天聊天呢？呢？Here you can chat with friends,breathingfresh air.在这里你可以呼吸者新鲜的空气，和朋友在这里你可以呼吸者新鲜的空气，和朋友畅聊畅聊。3.I use the Internet to blog about donuts.我使用互联网来我使用互联网来写写关于甜甜圈的关于甜甜圈的日志日志。blog n.博客；网络日志博客；网络日志I promised not to post them on my blog.我保证过不把它张贴到我的我保证过不把它张贴到我
13、的博客博客上。上。vi.写日志；写博客写日志；写博客John has a belief that everyone should blog about something they are passionate about.约翰认为约翰认为,每个人都应在自己的每个人都应在自己的博客上写博客上写他们感兴趣的事情。他们感兴趣的事情。4.If we want to have a meeting,I can send the invitation online.如果我们想聚会，我可以在网上发出邀如果我们想聚会，我可以在网上发出邀请。请。此句是由此句是由if 引导的条件状语从句，主句是引导的条件状语从句
14、，主句是含有情态动词含有情态动词(can)的一般现在时，根据需的一般现在时，根据需要从句多用一般现在时要从句多用一般现在时(want)。You should be quiet if you are in the reading room.在阅览室应保持安静。在阅览室应保持安静。5.If I work hard this evening,I will complete my research.如果我今晚努力工作，我将完成研究。如果我今晚努力工作，我将完成研究。此句是由此句是由if 引导的条件状语从句，如果主句引导的条件状语从句，如果主句是一般将来时，从句用一般现在时。是一般将来时，从句用一般现在时。If all of us make a small change in our life,it will make a big difference to our environment.如果我们都在生活中做出一点小的改变，对环境如果我们都在生活中做出一点小的改变，对环境而言将产生大的不同。而言将产生大的不同。
