初中英语冀教版八年级下册Lesson 11 Amazing Plants教学演示ppt课件
展开Key wrds & phrases: eastern; shy; eastern Asian; clse up; pen up; when it cmes t...; alng with; in the middle f; a living fssil.Key sentences: 1. Have yu ever heard abut any special plants? 2. This plant is fun fr small children t play with. 3. When it cmes t laughing, this tree is really funny. 4. When peple first hear it laughing, they are usually quite surprised and begin t laugh alng with the tree.T be able t talk abut the feature and the imprtance f plants.
Wrds & Expressins
egret eastern shy tightly fssil suthwest living
n. 白鹭adj. 东方的;东部的adj. 害羞的adv. 紧紧地;牢固地n. 化石n. & adj. 西南(的)adj. 活着的
eastern Asian clse uppen upWhen it cmes talng within the middle fa living fssil
东亚合起来;收起来张开; 打开当提到;就……而论和……一起在……中间; 在……中部一个活化石
D yu knw these plants’ names ?
mrning glry 牵牛花
Have yu ever heard abut any special plants?
Presentatin
A flying flwer? Lk at this plant. Its flwers lk like egrets. What are egrets?They are a kind f bird. Because this plant’s flwers lk like flying egrets, peple call it the egret flwer. It grws in eastern Asia. Isn’t it beautiful?
Can plants be shy? We all knw that peple can be shy. But hw can a plant be shy?When smething tuches this plant’s leaves, they clse up tightly. After a few minutes, the leaves pen up again. This plant is fun fr small children t play with.
What makes a tree laugh? When it cmes t laughing, this tree is really funny. This is because the fruit f this tree has a hle in it. If the wind blws, this amazing tree “laughs”.When peple first hear it laughing, they are usually quite surprised and begin t laugh alng with the tree. It grws in the middle f Africa.
Can a fssil be alive? Lk at this plant. It grws in the suthwest f Africa. Like mst plants, it has rts. But it has nly tw leaves and a stem. Its tw leaves cntinue t grw fr its whle life. Des it lk ld?This plant can live as lng as 1 500 years, s peple call it a living fssil.
Paragraph 1
B. This plant can live as lng as 1 500 years. It really is a fssil.
C. Lk at these flwers! They lk like flying egrets!
D. This amazing tree laughs when the wind blws.
A. When yu tuch this kind f plant, it clse up tightly.
Paragraph 2
Paragraph 3
Paragraph 4
1.What is it?
2.Why is it called the egret flwer?
3.Where des it live?
It is called the egret flwer.
Because this plant's flwers lk like flying egrets.
It grws in eastern Asia.
1.Can yu act ut “shy”?
2.What d “pen up" “clse up tightly” mean?
When smething ________this plant's ______, they _____ __ ______. After a few minutes, the leaves ____ ____ ____.
What is the name f the plant?
Sensitiveplant.
2.The plant can laugh.( )
3.There is a hle in the tree.( )
1.It is called a mnkey-bread tree.( )
4.It grws in the middle f Asia.( )
It grws in the __________________.
It has _____ leaves and _____ stem.
It can live as lng as_____ years.
It has _____.
Peple call it a ______ _____.
suthwest f Africa
living fssil
Let’s D It!
1. Listen and number the sentences.
□When yu tuch this kind f plant, it clses up tightly. □This plant can live as lng as 1 500 years. It really is a fssil. □Lk at these flwers! They lk like flying egrets!□This amazing tree laughs when the wind blws.
A flying flwer? Lk at this plant. Its flwers lk like egrets. What are egrets?They are a kind f bird. Because this plant’s flwers lk like flying egrets, peple call it the egret flwer. It grws in eastern Asia. Isn’t it beautiful? Can plants be shy? We all knw that peple can be shy. But hw can a plant be shy?When smething tuches this plant’s leaves, they clse up tightly. After a few minutes, the leaves pen up again. This plant is fun fr small children t play with.
listening material
What makes a tree laugh? When it cmes t laughing, this tree is really funny. This is because the fruit f this tree has a hle in it. If the wind blws, this amazing tree “laughs”. When peple first hear it laughing, they are usually quite surprised and begin t laugh alng with the tree. It grws in the middle f Africa. Can a fssil be alive? Lk at this plant. It grws in the suthwest f Africa. Like mst plants, it has rts. But it has nly tw leaves and a stem. Its tw leaves cntinue t grw fr its whle life. Des it lk ld?This plant can live as lng as 1 500 years, s peple call it a living fssil.
2. Read the lessn and fill in the table.
Eastern Asia
This plant's flwers lk like flying egrets.
The middle f Africa
If the wind blws, this amazing tree “laughs”.
The suthwest f Africa
It has nly tw leaves and a stem . This plant can live as lng as 1 500 years.
3. Fill in the blanks with the crrect wrds. The first letter is given.
1.Dn’t t_______ the dish! It’s very ht!2.China is a cuntry in e________ Asia. 3.He was t s_____ t talk t thers. 4.She cut her hair very shrt and everyne was s__________ by her new lk.
Task tips: What is it? Where des it live? What des it lk like? Why d yu think it is amazing?
4. Lk fr mre amazing plants and talk abut ne f them. Yu can talk abut the fllwing aspects.
The Rafflesia arnldii(阿诺尔特大花)is the biggest flwer in the wrld. It cmes frm Sutheast Asia. It has nly ne flwer. It desn't have leaves r stems.
Language pints
1. Isn’t it beautiful? (教材P26)
否定疑问句此句为否定疑问句,英语中否定疑问句通常表示惊异、反问、失望、责难等语气,也可用于赞美美好的事物(相当于一个特殊的感叹句),还可以用于提出建议或邀请等。
e.g. Aren’t yu suppsed t clean the rm? 难道你不该去打扫房间吗?Wn’t yu have a cup f tea? 你不喝杯茶吗?—Isn’t he cming this evening? 难道他今天晚上不来吗?—Yes, he is. 不,他来。/N, he isn’t. 对,他不来。
【特别提醒】对于否定疑问句的回答应根据事实作答。如果事实是肯定的,用“Yes+肯定结构”来回答;如果事实是否定的,用“N+否定结构”来回答。
2. When it cmes t laughing, this tree is really funny. (教材P26)
When it cmes t... 当提到;就……而论When it cmes t... 结构中t 是介词, 后可接名词、代词或动词的-ing 形式作宾语。e.g. When it cmes t French, I knw nthing.提到法语,我一窍不通。When it cmes t fishing, Jhn is an expert.谈及钓鱼, 约翰是个专家。
3.When peple first hear it laughing, they are usually quite surprised and begin t laugh alng with the tree. (教材P26)
① hear sb. ding sth.意为“听到某人正在做某事”,强调听见的动作正在进行。e.g. I hear smene kncking at the dr. Please g and see wh it is.我听到有人在敲门。请去看一下是谁。
② hear sb. d sth.表示“听到某人做了某事”,强调听到某人做某事的全过程。
e.g. I heard them talk abut that matter yesterday.昨天我听见他们谈论那件事了。I ften hear the child cry at hme.我经常听见那个孩子在家哭。
alng with 和……一起e.g. I want t g t the party. Can yu g alng with me?我想去参加那个聚会。你能和我一起去吗?
当主语后跟with, alng with, tgether with等修饰成分时,谓语动词不受这些修饰成分的影响,仍与前边的主语保持一致。
The by alng with his parents has been t the Great Wall twice.(主语为The by) 这个男孩和他的父母一起去过两次长城。Linda’s parents alng with her want t g t Sanya fr a hliday.(主语为Linda’s parents) 琳达的父母和她想去三亚度假。
4. Can a fssil be alive?(教材P26)
alive /ə'laɪv/ adj. 活着的;有生气的e.g. The pr village was alive because f s many turists.这个贫困的村庄由于众多的游客而有了生气。
辨析:alive, living, live与lively
5. Its tw leaves cntinue t grw fr its whle life. (教材P26)
cntinue /kən'tɪnju:/ v. 继续cntinue t d sth. 表示“继续/ 持续做某事”,相当于 cntinue ding sth. 或 cntinue with Thugh I tried my best, the baby cntinued crying.虽然我尽了最大的努力,但这个婴儿仍哭个不停。Let’s cntinue t read English. 我们继续读英语吧。We’ll cntinue with ur wrk. 我们要继续做我们的工作。
6. This plant can live as lng as 1 500 years, s peple call it a living fssil.(教材P26)
as lng as 长达;与……一样长e.g. Yu can stay as lng as yu like. 你想待多久就待多久。As lng as we wrk hard, the Chinese Dream is sure t cme true.只要我们努力工作,中国梦就一定会实现。
一、根据句意用适当的介词或副词填空
1. The by is playing ________ his new tys.2. Cme alng _________ me. I’m ging that way, t.3. It’s pleasant t travel _________ Asia.4. Bb has a rund face. He lks ____ his father.5. They decided t pen ________a business in the twn.
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