Lesson 11The eleventh lesson plant treesTree Planting Day 植 树 节It’s on March 12th.dig holesput the trees into the holeswater the treesQs: 1. Why did they go to plant trees?2. What was the weather like last Saturday?3. Where did they get water?巩固练习：一 . Listen to the tape and fill in the blanks. Last Saturday was March 12th. It was Tree _____ Day. It was _____. Gao Wei and his classmates _____ to plant trees. They used _____to dig _____ in the ground. Then they_____young trees and put them _____ the holes. They _____ water from the river _____. They______ the young trees. Trees are very _____ to people. They can _____ the wind.They can make the air _____ and _____. The students want to make their country ______. 二 . Change the sentences into general questions.1. Gao Wei and his classmates went to plant trees.-----Did Gao Wei and his classmates go to plant trees? -----Yes, they did. / No, they didn’t.2. We used spades to dig holes in the ground.-----Did we use spades to dig holes in the ground?-----Yes, we did. / No, we didn’t.3. Lucy brought young trees and put them into the holes.-----Did Lucy bring young trees and put them into the holes?-----Yes, she did. / No, she didn’t.4. Bob got water from the river nearby.-----Did Bob get water from the river nearby?-----Yes, he did. / No, he didn’t.小结：一般过去时变一般疑问句： Did+ 主语 +动词原形 + 其它？切记谓语动词要恢复原形。能力提高：1.Retell the passage. Last Saturday sunny go to plant trees spades dig bring put…into… get…from… water important stop make…fresh and clean greener2. 写作训练：就上周运动会用一般过去时写一篇小短文。hold a sports meeting 举行运动会 players 运动员 be proud of them 以他们为荣 learn from… 向某人学习 win 赢 ; 获胜 ;( 过去式 won) 归纳小节：What have you learned in this lesson?分层作业：1. 造 10 个句子 , 用“ Did+ 主语 + 动词原形 +其它？”2. 复述课文；3. 完成并修改课上没写完的小作文。
