冀教版英语八年级下册Lesson 7课件

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1、学练优九年级英语（JJ）教学课件,八年级英语（JJ下）教学课件,Lesson 7: Planting Trees,Unit 2,1. Be able to use the words: hole, large, root, seedling, cover, fill, dirt, pack, dust, storm, dirty, northern, bottom, dig a hole, fill.with., by the way, dust storm, a lot of, turn into, for sure, remember to do sth., in the bottom o

2、f.,Learning Targets,2. To know some important sentences: It must be large enough to hold the roots of the seedling. Nothing can stop the wind because there are not manytrees left. A lot of rich lands in the northern area have turned intodesert.3. To learn something about Tree Planting Day and know h

3、ow to plant a tree,Words and expressions,hole large root seedling cover fill dirt storm,n. 洞 adj. 大的；巨大的 n. 根 n. 幼苗；秧苗 v.覆盖 n.盖子 v.装满；充满 n. 泥土；污物 n.暴风雨,dirty pack dust northern bottom dig a hole fill.with.,adj.不干净的；肮脏的 v. 堆积；压实；装（箱） n. 沙土；尘土；灰尘 adj. 北方的；北部的 n. 底部；最下部 挖坑；挖洞 用填满,by the way dust storm

4、a lot of turn into for sure remember to do sth. in the bottom of.,顺便说一下 沙尘暴 许多;大量 变成 肯定地；确定地 记得去做某事 在底部,Why should we plants more trees?,Warming up,Trees make our environment better.,翻译下列的短语。,fillwith by the way dust storm turn into in the bottom of Its +adj. to do sth.,用.填满 顺便说一下 沙尘暴 变成 在.底部 做某事怎么样

5、,(1) When is Tree Planting Day in China? (2) What are the basic steps for plantinga tree?,THINK ABOUT IT,挖树坑 Dig a hole,解草绳 Untie rope,树苗入坑 Put the sapling in the hole,How to plant a tree?,一次培土 Earth up for the 1st time,提苗 Lift the sapling slightly,围填 pile up earth around,浸透水 Water the sapling,给树上支架

6、 Set up support frame,二次培土 Earth up for the 2nd time,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 lit

7、tle bigger. It must be large enough to hold the roots of the seedling.,Listen and read.,Presentation,Li Ming: I see. Thank you. Worker: Now, put the seedling inside, cover the roots and fill the hole with dirt. Then packthe dirt around the new tree with your feet. Wang Mei: OK. By the way, there is

8、another group of people down the hill. Are they alsocoming 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. Wan

9、g Mei: Ms. Liu told us the wind blows the dirt and the sand here from the north. Nothing can stop the the wind becausethere are not many trees left.,Worker: Exactly. A lot of rich lands in the northernarea have turned into desert. Li Ming: I suppose tree planting is very important work. Wang Mei: Fo

10、r 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. 1.What are Li Ming and his classmatesdoing on March 12?They are planting trees

11、 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

12、 put water in the bottom of the hole.,1. li Ming and Wang Mei were having a picnic ona farm. ( ) 2. They asked a teacher for help. ( ) 3. Li Ming saw another group of people on thehillside. ( ) 4. Wang Mei really liked the project. ( ),1,Read the lesson and write true (T) or false (F).,F,T,F,T,Lets

13、Do It!,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 yo

14、ur feet. Dig a big _ enough to hold the roots of the seedling.,roots,bottom,Cover,around,hole,2,2,5,1,3,4,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

15、 the Green Great Wall? It is made up of strips of human-planted forest.,the northern part,D.,3,Each year _ blow a lot of soil off the land. Things are getting more and more serious. About 3 600 square kilometres of grassland are taken by the Gobi Desert every year.The Green Great Wall project starte

16、d in 1978. By _, people hold 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,C. dust storms,Work in pairs. Read the lesson and the passage above again. Why shoul

17、d we plant trees? Talk about it and list at least three reasons.,4,Li Ming and Wang Mei are planting trees on a hillside. How to plant a tree? First, they dig a hole and make sure the hole _ to hold the roots of the seedling. Second, they put the seedling inside, _ the roots and _ the hole _ dirt. T

18、hen they pack the dirt around the new tree _ their feet. At last, they put a little water _ the hole.,Fill in the blanks and try to retell the text.,large enough,fill,with,cover,in the bottom of,with,Read and try to recite the conversations in 5-10 minutes.,Role-play,1. Role play in groups; 2. Role

19、play in front of the class,Well see which group does the best.,1. It must be large enough to hold the roots of the seedling.（1）must表示肯定推测，意为“一定；肯定”。例：This book must be Jacks，because his nameis on its cover. 这本书一定是杰克的，因为封面上有他的名字。（2）large adj.大的，巨大的。常指面积或范围大，其反义词为small(小的)。（3）enough adv.足够地。修饰形容词或副词时要

20、放在所修饰词的后面。例：This girl is careful enough.这个女孩足够的细心。,Language points,2.Now, put the seedling inside, cover the roots and fill the hole with dirt. (1)cover v覆盖。常用短语：coverwith用盖住 其被动语态结构为：be covered with被覆盖。 例：Please cover the pot with a piece of paper. 请用一张纸盖住这口锅。,(2)fill v装满；充满。 常用短语：fill with用装满；be f

21、illed with被装满/充满 例：He filled the bottle with wine. 他用酒装满了那只瓶子。 The new roads and streets will be filled with many cars and buses soon. 新的道路又将被很多公共汽车和小汽车塞满。,3. By the way，there is another group of people downthe hill.by the way是固定搭配，意为“顺便说/问一下”。常放在句首，用于在主要话题或交流中插入题外的话或问题。例：By the way，how old are you？

22、顺便问一下，你多大了？,4. Ms.Liu told us the wind blows the dirt and the sand here from the north. 此句中，us后面是一个省略了连词that引导的宾语从句。主句为一般过去时，宾语从句用相应的过去时态。但在英语中，如果宾语从句陈述的是客观事实、自然现象、科学真理等时，从句的时态不受主句时态的限制，用一般现在时。例：He knew that the Yangtze River is the longest river in China.他知道长江是中国最长的河流。,5. Nothing can stop the wind

23、because there are notmany trees left.此句是一个主从复合句。句中because 引导原因状语从句。because表示直接的原因，常用来回答 why引导的特殊疑问句。【链接】其他用来引导原因状语从句的连词： for引导的从句是对主句发生的动作一些补充说明，且不可位于主句之前。,since意为“既然”，引导的从句表示附带的原因，或者表示已知的、显然的理由，通常放在句首。 as所表示的原因语气最弱，只是对主句的附带说明，重点在主句。as从句通常放在主句之前。 例：I went to see him, for I had something to tell him.

24、我去见他，因为我有事要告诉他。 Since we have no money，we cant buy that car. 既然我们没钱，就不能买那辆车了。 As it is raining，youd better take a taxi.下雨了，你最好乘出租车。,6. Its also a great way to learn about nature. a way to do sth.意为“做某事的一种方式/方法”。其中，不定式作way的后置定语。相当于a way ofdoing sth.。例：Its a good way to learn English.Its a good way of

25、 learning English. 这是一个学习英语的好方法。It is +adj.+for/of sb. to do sth. 对于某人来说，做某事是的。例：Its kind of you to help me yesterday. 昨天你帮助了我，你真是太好了。,7. Oh，and please remember to put a little water in the bottom of the hole. (1)remember to do sth.记得要做某事 (此事还未做)。例：Remember to close the window when you leave the off

26、ice.你离开办公室时，记得关窗户。 (2)at/in the bottom of在的底部。 例：I want to tell you from the bottom of my heart that I am truly sorry.我从心底想向你表示我真的很抱歉。,Exercises,一、选择适当的单词或者短语填空。,fill with by the way dust storm turn into for sure cover in the bottom of dig large northern,The _ _often happens in the _ area.,dust stor

27、m,northern,Exercises,2. Please _ the glass _ milk. 3. If you only have the name, you cannot confirm theidentity_ _.,fill,with,for sure,4. All of us can _ our dreams _ practicalreality. 5. I noticed there was a hole _ _ _ _ his pail.,in the,bottom of,turn,into,6. You have 400 words for each question,

28、 _ _ _. 7. _ a _ hole and put the tree inside. 8. The clouds had spread and _the entire sky.,by the,Dig,large,covered,way,二、翻译下列句子。,顺便问一下，这是你的书吗？By the way, is this your book? 2. 你难保证明天不下雨。 You cant say for sure that it wont rain tomorrow. 3. 这个房间充满了烟雾。The room is filled with smoke. 4. 渐渐地，冰雨似乎变成了雪花

29、。 The icy rain seemed like to turn into snow slowly.,1. There are not enough trees _ on the hill.Lets plant some on Tree Planting Day.Aleave BleftCleaves Dto leave 2. Yesterday Mr.Wang told us the earth always_ around the sun.Ato go Bgoes Cwent Dgoing,三、单项选择。,B,B,3. Audrey Hepburn, one of the greate

30、st actresses，was _ to take on challenges in her life.Aenough brave Bbrave enough Cstupid enough Denough stupid 4. Harrys been driving all dayhe_ be tired.Aneed BcanCshall Dmust 5. Remember _ them down when you see them again in a passage.A.writing B.to writing C.write D.to write,D,B,D,Summary,1. Lea

31、rn some new words and expressions. 2. Learn about modal verbs must and otherimportant grammar of this lesson.,Homework,Write a passage about your experience of planting trees on Tree Planting Day. Remember to use the words and expressions in this lesson. (50-100 words) 2. Preview the words and phrases in Lesson 8.,