（2020冀教版）八年级英语下册《Unit2Lesson7》课件.ppt-(课件无音视频)

1、Lesson 7 Planting Trees Unit 2 Plant a Plant!holelargecoverfillstormdirtynorthernbottomn.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Words and expressions What are the basic steps for planting a tree?When is Tree Planting Day in China?Lead i

2、nIts 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?Listen and read.Worker:Maybe you should make the hole a little bigger.It must be large enough to hold the

3、 roots of the seedling.Li Ming:I see.Thank you.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.Man

4、y 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 t

5、he 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 importan

6、t to plant plants.Oh,and please remember to put a little water in the bottom of the hole.Read and answer.1.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 d

7、o 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 points1.fillwith 用用.填满填满Fill the pots with earth.在花盆里装满泥土。在花盆里装满泥土。He filled th

8、e bottle with wine.他用酒装满了那只瓶子。他用酒装满了那只瓶子。be filled with 被被充满充满/塞满塞满But the new roads and streets will be filled with many cars and buses soon.但是不久，新的道路又将被很多公共但是不久，新的道路又将被很多公共汽车和小汽车塞满。汽车和小汽车塞满。2.by the way 顺便说一下顺便说一下By the way,what do you think about this Team?顺便问一下，你认为这个队顺便问一下，你认为这个队的水平如何？的水平如何？By t

9、he way,which province are you from?顺便问一下，您是哪个省来的顺便问一下，您是哪个省来的?3.dust storm 沙尘暴沙尘暴The dust storm often happens in spring.沙尘暴经常发生在春季。沙尘暴经常发生在春季。Cathy wants to buy a scarf to protect herself from the dust storm.凯茜想买一条围巾，以抵挡沙尘暴。凯茜想买一条围巾，以抵挡沙尘暴。4.turn into 变成变成The sofa turns into a bed.沙发变成了床。沙发变成了床。In a

10、 flash of light,the prince turned into a frog.一阵闪光之后，王子变成了一只青蛙。一阵闪光之后，王子变成了一只青蛙。5.for sure 肯定地；确定地肯定地；确定地No one knows for sure what really happened.没有人确切地知道到底发没有人确切地知道到底发生了什么事。生了什么事。If I talked,I would miss something,for sure.如果我说话了，肯定会遗漏如果我说话了，肯定会遗漏些什么东西。些什么东西。6.in the bottom of 在在.底部底部The bottle i

11、s hidden in the bottom of a ton of cotton.瓶子被藏在一吨棉花的底部。瓶子被藏在一吨棉花的底部。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。在小河的底部，可以看见许多漂亮的石头。7.Its+adj.to do sth.做某事做某事Its very dangerous for me to do such things.我做这种事是非常危险的。我做这种事是非常危险的。Its important to do what is comfortable f

12、or you.适合自己的才是最重要的。适合自己的才是最重要的。Lets Do It!Read the lesson and write true(T)or false(F).1 11.Li Ming and Wang Mei were having a picnic on a farm.()F2.They asked a teacher for help.()3.Li Ming saw another group of people on the hillside.()4.Wang Mei really liked the project.()FTT Fill in the blanks wi

13、th the words in the box.Then put the steps for planting a tree in the correct order.bottom hole around cover rootsPut the _ of the seedling into the hole.Put a little water in the _of the hole.rootsbottom2 225_ the roots and fill the hole with dirt.Pack the dirt _ the new tree with your feet.Dig a _

14、 big enough to hold the roots of the seedling.Coveraroundhole2 2134 Complete the passage with the missing phrases.A.the Green Great Wall B.planting more trees C.dust storms D.the northern partThe Green Great Wall was built across _ _of the country.What is 3 3the northern partD.the Green Great Wall?I

15、t 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 kilometresC.dust storms of grassland are taken by the Gobi Desert every year.The Green Great Wall project started in 1978.By _,peoplehold back the ex

16、pansion 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+adj.to do sth.用用.填满填满顺便说一下顺便说一下沙尘暴沙尘暴变成变成在在.底部底部做某事做某事ExercisesFill

17、in the blanks with the words or phrases.fill with by the way dust storm turn into for sure coverin the bottom of diglarge northern1.The _ _often happens in the _ area.dust stormnorthern2.Please _ the glass _ milk.3.If you only have the name,you cannot confirm the identity_ _.4.All of us can _ our dr

18、eams _ practical reality.5.I noticed there was a hole _ _ _ _ his pail.fillwithfor sureturnintoin thebottom of6.You have 400 words for each question,_ _ _.7._ a _ hole and put the tree inside.8.The clouds had spread and _the entire sky.by the wayDiglargecoveredTranslate the sentences.1.顺便问一下，这是你的书吗？

19、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。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。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。渐渐地冻雨似乎变成雪花的模样。The icy rain seemed like to turn into snow.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.HomeworkThank you!