,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,hole large cover fill storm dirty northern bottom,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,1. To listen and understand the conversation about planting trees. 2. To learn some useful words and expressions to talk about how to plant a tree.,Objectives,Words: dig, hole, large, cover, fill, storm, dirty, northern, bottom,Phrases: by the way, want to do, turn into, for sure, in the bottom of, fillwith,I suppose Its to do,Patterns:,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.,