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1、Lesson 7 Planting Trees,When is Tree Planting Day in China?,March 12.,Presentation,hole n. 洞,large adj. 大的; 巨大的,root n. 根,seedling n. 幼苗; 秧苗,cover v. 覆盖 n. 盖子,fill v. 装满；充满,dirt n. 泥土; 污物,dirty adj. 不干净的; 肮脏的,dust n. 沙土; 尘土; 灰尘,storm n. 暴风雨,dust storm 沙尘暴,northern adj. 北方的; 北部的,bottom n. 底部; 最下部,Rea
2、d the lesson and write true (T) or false (F).,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.,Fill in the blanks with the words in the box. Then put the steps for p
3、lanting a tree in the correct order.,bottom hole around cover roots,Put the _ of the seeding 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 seeding.,bottom,Cover,aro
4、und,hole,roots,Do you know something about the Green Great Wall?,1978年12月，党中央、国务院为改变西北、华北北部、东北西部地区缺林少水生态失调的状况，决定建设一个大型防护林体系工程“三北”防护林体系工程。三北的防护林体系工程，是一项改造大自然、造福子孙后代的宏伟而艰巨的工程。,它东起黑龙江，西迄新疆，横贯黑龙江、吉林、辽宁、北京、河北、山西、内蒙古、陕西、甘肃、青海、新疆等省、市、自治区的396个县旗，东西长7000公里，万里长城由东到西所经的200多个县、旗，基本上全部包括在这一工程体系之内。所以社会上普遍称“三北”的防护
5、林为绿色万里长城。,Complete the passage with the missing phrases.,the Great Green Wall B. planting more trees C. dust storms D. the northern part,The Green Great Wall was built across _ 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 o
6、ff the land. Things are getting more and more serious.,D,C,About 3 600 square kilometres of grassland are taken by the Gobi Desert every year.The Green Great Wall project started in 1978. By _, people hold back the expansion of the desert and raise northern Chinas forest coverage by 5% to 15%. By th
7、e year 2050, _ will be about 2800 miles long.,B,A,1. Now, put the seedling inside, cover the roots and fill the hole with dirt.现在，把种子放在里面，覆盖根，用土把洞填满。fillwith 用填满e.g. Fill a pan with water.给平底锅装满水。,2. By the way, there is another group of people down the hill.顺便问一下，这是山下的另一群人吗？by the way 顺便说一下; 附带问一句e
8、.g. By the way, I found that book.顺便提一下, 我找到那本书了。Whats the time, by the way?顺便问一句, 几点钟了？,3. A lot of rich lands in the northern area have turned into desert.北方许多肥沃的土地变成了沙漠。turn into 变成 e.g. The farmers are turning waste land into rice fields. 农民们把荒地变成了稻田。,4. For sure, I really like this project.毫无疑问
9、地，我很喜欢这个方案。 for sure 肯定地; 确定地e.g. Hell come for sure.他肯定会来的。be sure to do sth. 务必(去做某事)make sure (of sth./that)确保; 设法保证,5. Oh, and please remember to put a little water in the bottom of the hole.哦，请记住要放一点水在洞的底部。in the bottom of 在底部e.g. He found a big hole in the bottomof the box.他发现箱子下面有个很大的洞。,Work
10、in pairs. Read the lesson and the passage above again. Why should we plant trees? Talk about it and list at least three reasons.,_ _ _,1. Clean the air. 2. Give us food. 3. Make and build things with trees. 4. Sit under a tree in the shade. 5. Make books from trees.,6. Many animals live in trees. 7. Cover the soil. 8. Take energy from the sun and make it into food. People and animals need the food to live.,1. Remember the words and phrases in this lesson. 2. Preview the next lesson.,
