2021学年Topic 1 When was it invented?教学课件ppt

这是一份2021学年Topic 1 When was it invented?教学课件ppt，文件包含41Unit2Topic1SectionA课件pptx、p27-1amp3、p28-3-Amp3、p28-3-Bmp3、p27-1awmv等5份课件配套教学资源，其中PPT共29页， 欢迎下载使用。

A: Where have yu traveled during The Natinal Day ?
B: I have traveled t ...
Have yu ever had a picnic?
Yes, I have.
N , I haven’t.
I will have a picnic this Sunday,d yu want t g with me?
Kangkang, Jane, Maria and Michael are planning a picnic fr Sunday.They will g t the West Hill.
Tw years ag, the West Hill was a _________place.There were a lt f________ ,_________and_______.The air was________and the water was________.Yu culd see many fish __________in the river and yucan als see a few bees and butterflies ________.
Tw years ag
★总结固定用法：看见某人正在做某事
see sb. ding sth.
The flwers and grass have gne!
Oh, my gdness. What a mess!
Lk! There are several chemical factries puring waste water int the stream.
= have disappeared.
Is it beautiful nw?What has happened there?
waste waterwaste paperWaste water. 浪费水。Dn’t waste paper. 不要浪费纸。
Task 1. Listen t 1a and mark the wrds with P (Past) r N (Nw).____ beautiful ____ butterflies ____ dirty ____ grass ____ terrible ____ factry ____ bees ____ fresh ____ clean ____waste water
Task 2. Read 1a and cmplete the sentences in the table. Then retell 1a t yur partner.
beautiful place
lts f flwers and grass
fresh and the water was clean
bees and butterflies dancing
The flwers and grass
chemical factries
waste water
看见某人或某物正在做某事看见某人或某物做某事看见某人或某物被...把...投入...野餐有某人或某物正在做怎么样？
see sb./sth ding
see sb./sth. d sth
see sb./sth dne
have a picnic
There be sth/ sb ding
Task 3. Watch the vide and find the phrases.
Task 4. Language pints
…yu culd see bees and butterflies dancing.你还能看见蜜蜂和蝴蝶在飞舞。 点拨: see sb./sth. ding sth. 看见某人/某物正在做某事对比: see sb./sth. d sth. 看见某人/某物做了某事(全过程)拓展：类似的动词还有 hear, watch, find, feel …e.g. (1) I saw Jack _____ sccer there when I walked past the playgrund. A. t play B. playing C. played D. play (2) I saw her ____ the rad just nw. A. crss B. crssed C. crsses D. t crss
2. The flwers and grass have gne！花和草都消失了。 点拨：have/has gne 不见了，消失了
e.g. 我的钱不见了。___________________
My mney has gne.
3. Sunds great ! 听起来真棒！ It smells terrible. 气味真难闻。 点拨： sunds great ，smells terrible 系表结构：系动词 + 形容词
初中常见的系动词总结：be/keep/feel/smell/sund/taste/lk/seem…+形容词
e.g. 1)音乐听起来很棒。______________________ 2)我感到很开心。 ______________________
The music sunds great.
I feel very happy.
4. Lk, there are several chemical factries puring waste water int the stream. 看，有几家化工厂正在往小溪里排放废水。
e.g. 请把红酒倒进杯子里 Please _____ the red wine ____ the glass.
pur int
点拨(1)：there be + sb./sth. + ding sth. 有某人/某物正在做某事
点拨(2) : pur…int… 把……倒入……
e.g. 听！有个人在隔壁唱歌。Listen! ___ ___ smene ______ in the next rm.
There is singing
Task 5. Wrk in pairs. Lk at the pictures and make up cnversatins similar t the example with yur partner.
Example:A: There were lts f flwers and grass when I visited the village last year.B: But nw the flwers and grass have gne.A: What has happened here?B: The villagers have destryed them.
village/flwers and grassvillagers/destry
hill/ treesfarmers/cut dwn
A: There were lts f trees when I visited the hill last year.B: But nw the trees have gne.A: What has happened here?B: The farmers have cut them dwn.
lake/fishfactry/pllute
A: There were lts f fish when I visited the lake last year.B: But nw the fish have gne.A: What has happened here?B: The factry has plluted them.
一般过去时和现在完成时的用法区别
表示过去发生或已完成的动作对现在的影响
表示过去发生的动作或存在的状态（与现在无关）
yesterday, last night,时间段+ ag,in 2005,in the past, …
fr +时间段, since, recently,s far, already, yet, just,in the past +时间段, …
用所给动词的适当形式填空。When I entered the rm, I saw Maria ________ (read) a Chinese bk.2. What a shame! The flwers and trees in the park _________ (g).3. Everything _____________ (change) in the past few years.4. — Where have they been? — They __________ (be) t the Great Wall. They _____ (have) a gd time there the day befre yesterday.5. The fd ___________ (taste) delicius.
has changed
tastes/tasted
__________________
_____________________
Task 6. Listen t the sentences and number the pictures.
1. Peple _____ _____ _____ t many trees, s I dn’t have enugh leaves t eat.2. I live in trees but nw many trees _____ _____.3. I like leaves and grass, but nw they _____ ____________. 4. I _____ _____ hungry fr mnths because f less bamb.5. Human plluted the sea, s I _____ _____ _____.6. The water _____ _____ many years ag. But it _____ _____ _____ fr me t live in nw.
B. Listen again and cmplete the sentences.
have cut dwn
have disappeared
dn’t live happily
is t dirty
1. Sme wrds: bee, butterfly, mess, shame, several, pur, waste, destry, pllute, gdness2. Sme phrases: see sb. ding sth. pur… Sme sentences: There are…ding…
1. Express exclamatin: What a mess! What a shame! Oh, my gdness!2. Knw the differences between Simple Past and Present perfect. It was a beautiful place. Everything has changed.
单项选择( ) 1. Lk! There are sme bys ________ n the playgrund. A. play ftball B. are playing ftball C. playing ftball D. plays ftball( ) 2. — I’m srry I can’t g shpping with yu. I am ill. — ________ A. What a mess! B. What a shame! C. What a pity! D. B and C( ) 3. — Dn’t ________ water. We must save every drp f it. — Srry, I wn’t d it again. A. waste B. thrw C. play D. leave
用所给动词的适当形式填空。1. When I entered the rm, I saw Maria ________ (read) a Chinese bk.2. What a shame! The flwers and trees in the park _________ (g).3. Everything _____________ (change) in the past few years.4. Pandas dn’t have enugh bambs ________ (eat) nw because f the pllutin.5. — Where have they been? — They __________ (be) t the Great Wall. They _______ (have) a gd time there the day befre yesterday.
Hmewrk1. Read 1a.2. Write a passage accrding t Part 4.3. Finish Sectin A in yur wrkbk.4. Preview Sectin B.