Lesson7PlantingTrees (3).pptx

Unit 2 Plant a Plant,Lesson 7 Planting Trees,Think about it!, When is Tree Planting Day in China? What are the basic steps for planting a tree?,植树节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世，1979年2月23日，中国第五届全国人大常务委员会第六次会议决定，仍以3月12日为中国的植树节，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。,挖树坑,解草绳,树苗入坑,How to plant a tree?,一次培土,提苗,围填,浸透水,二次培土,给树上支架,Words & expressions,holelargecoverfillstormdirtynorthernbottom,n. 洞adj. 大的；巨大的v.覆盖 n.盖子v.装满；充满n.暴风雨adj.不干净的；肮脏的adj. 北方的；北部的n. 底部；最下部,Its March 12. Li Ming and his classmates are on a hillside. They are planting trees as a school project. A 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 fill 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: These 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 have 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. 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 the roots ,fill the hole with dirt, pack the dirt around the tree and put water in the bottom of the hole.,Language points,fill作动词，常用动词词组fill with意为“用把装满”，被动形式：be filled with意为“装/填满”，相当于be full of，full是形容词，意为“装满；充满”。如：,1. Now, put the seedling inside, cover the roots and fill the hole with dirt. 现在，把幼苗放进来，盖上根，用泥土填上坑。,He filled his backpack with books. 他把书装进书包。,fillwith 用.填满Fill the pots with earth.在花盆里装满泥土。He filled the bottle with wine.他用酒装满了那只瓶子。be filled with 被充满/塞满Butthenewroadsand streetswillbefilled withmanycarsandbusessoon.但是不久，新的道路又将被很多公共汽车和小汽车塞满。,2. by the way 顺便说一下By the way, what do you think about this Team?顺便问一下，你认为这个队的水平如何？By the way, which province are you from?顺便问一下，您是哪个省来的?,3. I suppose tree planting is very important work. 我想，植树造林是非常重要的工作 。,suppose是及物动词，常用来表示说话人的看法、猜测或假设。其基本用法如下：(1)“suppose名词/代词介词短语”表示“猜测某人/某物在”。如：,He supposed his friend in the library. 他猜想他的朋友在图书馆里。,(2) be supposed to中的to是动词不定式符号，后接动词原形，主语为人时，表示“应该；被期望”，它可以用来表示劝告、建议、义务、责任等。主语为物时，它表示“本应；本该”，用于表示某事本应该发生而没有发生。它还可以用来表示“被认为是；被相信是”。如：,I am supposed to start work at 7:30 every morning. 我理应每天早晨7:30开始工作。,4. Its +adj. to do sth. 做某事Its very dangerous for me to do such things. 我做这种事是非常危险的。Its important to do what is comfortable for you. 适合自己的才是最重要的。,5. in the bottom of 在.底部The bottle is hidden in the bottom of the hole.瓶子被藏在洞的底部。In the bottom of the river, we can see many beautiful rocks.在小河的底部，可以看见许多漂亮的石头。,Lets Do It!,Read the lesson and write true (T) or false (F).,1,1. Li Ming and Wang Mei were having a picnic on a farm. ( )2. They asked a teacher for help. ( )3. Li Ming saw another group of people on the hillside. ( )4. Wang Mei really liked the project. ( ),F,F,T,T,Fill in the blanks with the words in the box. Then put the steps for planting a tree in the correct order.,bottom hole around cover roots,Put the _ of the seedling into the hole.Put a little water in the _of the hole._ the roots and fill the hole with dirt.Pack the dirt _ the new tree with your feet.Dig a big _ enough to hold the roots of the seedling.,roots,bottom,Cover,around,hole,2,1,2,3,4,5,Complete the passage with the missing phrases.,A. the Green Great Wall B. planting more trees C. dust storms D. the northern part,The Green Great Wall was built across _of the country. What is the Green Great Wall? It is made up of strips of human -planted forest. Each year _ blow a lot of soil off the land. Things are getting more and more serious. About 3 600 square kilometres,3,D. the northern part,C. dust storms,of grassland are taken by the Gobi Desert every year. The Green Great Wall project started in 1978. By _, peoplehold back the expansion of the desert and raise northern Chinas forest coverage by 5% to 15%. By the year 2050, _ will be about 2 800 miles long.,B. planting more trees,A. the Green Great Wall,fillwith by the way dust storm turn intoin the bottom of Its fun to do sth.,用.填满顺便说一下沙尘暴变成在.底部做某事有趣,Exercise,Fill in the blanks with the words or phrases.,fill with by the way dust storm turn into for sure coverin the bottom of diglarge northern,The _ _often happens in the _ area. Please _ the glass _ milk. If you only have the name, you cannot confirm the identity_ _.,dust storm,northern,fill,with,for sure,4. All of us can _ our dreams _ practical reality. 5. I noticed there was a hole _ _ _ _ his pail.6. You have 400 words for each question, _ _ _.7. _ a _ hole and put the tree inside.8. The clouds had spread and _the entire sky.,turn,into,in the,bottom of,by the way,Dig,large,covered,Translate the sentences.,顺便问一下，这是你的书吗？ By the way, is this your book?2. 明天难保不下雨。 You cant say for sure that it wont rain tomorrow.3. 烟雾弥漫了房间。The room is filled with smoke.4. 渐渐地冻雨似乎变成雪花的模样。 The icy rain seemed like toturnintosnow.,Homework,Work in pairs. Read the lesson and the passage above again. Why should we plant trees? Talk about it and list at least three reasons.,