1、Unit 2 Plant a PlantLesson 7 Planting trees When is Tree Planting Day in China?What are the basic steps for planting a tree?植树节植树节是一些国家以法律形式规定的以宣传是一些国家以法律形式规定的以宣传森林效益，并动员群众参加造林为活动内容的节森林效益，并动员群众参加造林为活动内容的节日。通过这种活动，激发人们爱林、造林的感情，日。通过这种活动，激发人们爱林、造林的感情，提高人们对森林功用的认识，促进国土绿化，达提高人们对森林功用的认识，促进国土绿化，达到爱林护林和扩大森林
2、资源、改善生态环境的目到爱林护林和扩大森林资源、改善生态环境的目的。中国的植树节开始时是为纪念孙中山先生逝的。中国的植树节开始时是为纪念孙中山先生逝世，世，19791979年年2 2月月2323日，中国第五届全国人大常务日，中国第五届全国人大常务委员会第六次会议决定，仍以委员会第六次会议决定，仍以3 3月月1212日为中国的日为中国的植树节，以鼓励全国各族人民植树造林，绿化祖植树节，以鼓励全国各族人民植树造林，绿化祖国，改善环境，造福子孙后代。国，改善环境，造福子孙后代。挖树坑挖树坑解草绳解草绳树苗入坑树苗入坑How to plant a tree?一次培土一次培土提苗提苗围填围填浸透水浸透水
3、二次培土二次培土给树上支架给树上支架Words&expressionsholelargecoverfillstormdirtynorthernbottomn.洞洞adj.大的；巨大的大的；巨大的v.覆盖覆盖 n.盖子盖子v.装满；充满装满；充满n.暴风雨暴风雨adj.不干净的；肮脏的不干净的；肮脏的adj.北方的；北部的北方的；北部的n.底部；最下部底部；最下部1.To listen and understand the conversation about planting trees.2.To learn some useful words and expressions to talk
4、about how to plant a tree.ObjectivesWords:dig,hole,large,cover,fill,storm,dirty,northern,bottomPhrases:by the way,want to do,turn into,for sure,in the bottom of,fillwithI supposeIts to doPatterns:Its March 12.Li Ming and his classmates are on a hillside.They are planting trees as a school project.A
5、worker is there helping them.Li Ming:Excuse me,sir.We are digging a hole.Is it big enough?Worker:Maybe you should make the hole a little bigger.It must be large enough to hold the roots of the seedling.Li Ming:I see.Thank you.Listen and read.Worker:Now,put the seedling inside,cover the roots and fil
6、l the hole with dirt.Then pack the dirt around the new tree with your feet.Wang Mei:OK.By the way,there is another group of people down the hill.Are they also coming to plant trees?Worker:Yes.Many people are worried because the environment is changing,and they want to do something to help.Li Ming:Th
7、ese changes are serious.When there is a dust storm in spring,it gets windy and dirty everywhere.Wang Mei:Ms.Liu told us the wind blows the dirt and the sand here from the north.Nothing can stop the wind because there are not many trees left.Worker:Exactly.A lot of rich lands in the northern area hav
8、e turned into desert.Li Ming:I suppose tree planting is very important work.Wang Mei:For sure.I really like this project.Its also a great way to learn about nature.Worker:Yes.Its fun and important to plant plants.Oh,and please remember to put a little water in the bottom of the hole.Read and answer.
9、What are Li Ming and his classmates doing on March 12?They are planting trees as a school project.2.Why do many people come to plant trees?Because the environment is changing and they want to do something to help.3.What are the basic steps for planting a tree?Dig a hole,put the seedling inside,cover
10、 the roots,fill the hole with dirt,pack the dirt around the tree and put water in the bottom of the hole.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&expressionstechnologydesktoptable
11、tkeyboardinvitationindustryn.技术技术n.台式电脑；桌面台式电脑；桌面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
12、withmore thanIf+从句，主句从句，主句Patterns:Read and answer.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 c
13、an Danny and his friends do if they want to have 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 ha
14、ve 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
15、于做习惯于做He should be used to doing more important 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
16、聊天。chat with 和和聊天聊天How do you make friendly chat 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
17、 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
18、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，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。
