初中Unit 1 The population of China is about 1.37 billion.教學(xué)ppt課件

這是一份初中Unit 1 The population of China is about 1.37 billion.教學(xué)ppt課件，文件包含Module9Unit1pptx、Module9Unit1doc、80億人口意味著什么mp4、M9U1acivity3m4a、WYM9U1acitivty2m4a、一分鐘看完全球人口變化史印度可能3年后超過中國mp4等6份課件配套教學(xué)資源，其中PPT共24頁， 歡迎下載使用。
1. understand cnversatins abut ppulatin; 2. use large number t talk abut ppulatin issues；3. aruse the awareness f cncern with ppulatin issues.
By the end f the class, we will be able t:
Wrk in pairs. Lk at the picture and talk abut it. Use the wrds in the bx t help yu.
city shp nise peple traffic
There are many peple in the city.The city is very crwded.There is much nise.The traffic may be heavy.
What caused the abve prblems?
What infrmatin can yu get frm this vide?
The ppulatin f the wrld increase quickly; the ppulatin f China is the largest f all;...
Frm the vide we knw that the wrld’s ppulatin is 7.7 billin by 2019 and China has a ppulatin f 1.4 billin. S, d yu knw hw t read big numbers?
大數(shù)字念法：每三個數(shù)字為一個單位，每個單位的數(shù)字按照百、十、個位向后讀，遵循百位以內(nèi)數(shù)字的讀法。進(jìn)位讀法為thusand, millin, billin向上遞增。
Try t read these numbers.
100: 1000: 1000000:1000000000:130: 1250:150,000: 500,000: 2,100,000: 5,600,000: 82,550,000:3,5600,271,849:
ne hundredne thusandne millinne billinne hundred and thirtyne thusand, tw hundred and fiftyne hundred and fifty thusandfive hundred thusandtw millin, ne hundred thusand five millin, six hundred thusandeighty-tw millin, five hundred and fifty thusand ?
3，5600，271，849
eight hundred and frty-nine
three billin,
five thusand and six hundred millin,
tw hundred and seventy-ne thusand,
Listen and repeat.
8,742 2,463,128 1,370,000,0002,000,030,000
eight thusand, seven hundred and frty-tw
tw millin, fur hundred and sixty-three thusand, ne hundred and twenty-eight
ne billin, three hundred and seventy millin
tw billin and thirty thusand
Listen and chse the crrect answer.
1 What is the ppulatin f New Yrk? a)Abut 17 millin.b)Abut 9 millin.c)Abut 30 millin. 2 What is the ppulatin f Tky?a)Abut 4 millin. b)Abut 28 millin.c)Abut 14 millin.
Listen and answer the questins.
1. What is Tny ding?2.What are they talking abut?3. What prblems des the increase ppulatin cause?4. Which cuntries are seeing the mst ppulatin grwth?5. What’s wrng with cuntries with lw birth?
They are talking abut the ppulatin grwth.
He is preparing a reprt called “The wrld’s ppulatin” .
It causes a lt f prblems, such as t much traffic and nise.
India, Nigeria and Pakistan.
There aren’t enugh peple t d all the jbs, r enugh yung peple t lk after the lder nes.
Lingling:What are yu ding?Tny: I’m preparing a reprt called “The wrld’s ppulatin”.Lingling: Well, I can help! I just watched a vide abut wrld ppulatin yesterday. It said the wrld’s ppulatin was abut 7.8 billin in 2020. And the number will climb t 8.5 billin in 2030.Tny: I can’t believe it! That’s a huge number. Which cuntries are seeing the mst ppulatin grwth?Lingling: The largest increase in ppulatin will take place in India, Nigeria and Pakistan. By 2030,India will have abut1.5 billin peple.
Tny: Hang n a minute! I’ll make sme ntes!Lingling: When ppulatins increase t fast, it can cause prblems, such as t much traffic and nise.Tny: That’s true. Hw abut cuntries with slw-grwing ppulatins?Lingling: Cuntries with lw birth rates have prblems t.There aren’t enugh peple t d all the jbs, r enugh yung peple t lk after the lder nes.Tny: I see. Great, thanks fr the infrmatin! Nw I can write my reprt!
Ppulatin f the wrld in 2020 . ppulatin f the wrld in 2030 . pllutin f India in 2030 .
Nw cmplete the ntes.
abut 7.8 billin
abut 8.5 billin
abut 1.5 billin
Chse the crrect answer.
1. Birth happens at the start / at the end f life.2. Huge means large / small.3. An increase in ppulatin means mre / fewer peple.4. Hang n a minute means waiting fr a shrt time / a lng time.5. Making ntes means writing a lng passage / a few wrds.6. A prblem is smething easy / difficult.7. A reprt is a lng piece f writing / a few wrds.8. A billin is a hundred / a thusand millin.
The wrld’s ppulatin was abut 7.8 billin in 2020. It is even mre nw. Hw des a grwing ppulatin impact the envirnment? Discuss with yur partners, then name tw envirnmental issues that can get wrse with mre peple.
What shuld we d as individuals and cmmunities? Watching a vide and discuss the questin.
Increased demand（需求） fr resurces; pllutin, climate chage, waste, verfishing; ...
Individuals: save electricity resurces; reduce the use f single-use plastic prducts, etc.Cmmunities: publicity activities; garbage srting facilities; etc.
When we face these prblems, what shuld we d as individuals and cmmunities?
ppulatin 是一個集體名詞，作主語時，若指一個地區(qū)或國家的整體人口，謂語動詞通常用單數(shù)；若強(qiáng)調(diào)整體人口中的成員，謂語動詞通常用復(fù)數(shù)。例如：The ppulatin f the city is abut 20,000. 這個城市大約有兩萬人口。Three fifths f the ppulatin here are ld peple. 這里五分之三的人是老年人。
1. ppulatin
表示一個地區(qū)或一個國家有多少人口時，可用 the ppulatin f ... is ... 或 ... has a ppulatin f ...。 ppulatin f their cuntry is 28,100,000. 他們國家的人口是二千八百一十萬。 The city has a ppulatin f 50,000. 這座城市有五萬人口。形容“人口數(shù)量的多或少”可用large 或 small 修飾。 ppulatin f Beijing is large. 北京人口眾多。
prepare用作動詞，意為“準(zhǔn)備”，后面常跟名詞、代詞、動詞不定式作賓語。 prepare … fr … 為……準(zhǔn)備……prepare后還可以接間接賓語，即prepare sb. sth.，相當(dāng)于 prepare sth. fr sb.，意為“為某人準(zhǔn)備某事（物）”。e.g. Mum prepares breakfast fr me every mrning. 媽媽每天早晨為我準(zhǔn)備早餐。 We began t prepare fr this jurney a week ag. 我們一周前開始為這次旅行做準(zhǔn)備。
2.I’m preparing a reprt called “The wrld’s ppulatin”.
3. It can cause prblems, such as t much traffic and nise.
t many：“太多”，后接可數(shù)名詞復(fù)數(shù)。 eg. t many apples t much：“太多”，后接不可數(shù)名詞。 eg. t much milkmuch t：“太”，后接形容詞或副詞。 eg. much t big
1.—Can yu write the number eighty-five thusand, six hundred and twenty-six? —Yes, it is __________. A. 856620 B. 85626 C. 586622.—What are yu preparing _____ yur party? —I’m thinking abut wh I’ll invite. A. at B. fr C. with3.There are _____ peple in the little rm. A. s much B. s many C. very much
4.— The schl bus is cming. — _____. I’ll cme in a minute. A. Hang n B. On earth C. Once r twice5. He?eats?____?fd,?s?he?is?____fat.? A.?t?many; t?much?? B.?t?many; much?t? C.?t?much;?much?t