仁愛(ài)科普版Topic 2 All these problems are very serious.優(yōu)質(zhì)課課件ppt

這是一份仁愛(ài)科普版Topic 2 All these problems are very serious.優(yōu)質(zhì)課課件ppt，共25頁(yè)。PPT課件主要包含了Functions，We learn，We can等內(nèi)容，歡迎下載使用。
Learn sme new wrds and phrases. Wrds: avid, discver, thirsty, nearly, law Phrases: day by day, be shrt f Be able t use sme useful expressins. But peple’s need fr water is increasing day by day. While nearly ? f the earth is cvered with water, we are still shrt f drinking water.Master Indefinite Prnun and Adverb.
What shuld we d t prtect the envirnment?
We shuld d everything we can t prtect the envirnment.
We shuld/shuldn’t …
Hw d sandstrms cme int being?
Indefinite prnun and adverb一、構(gòu)成。不定代詞、副詞是由sme, any, n, every與thing, ne , bdy, where 等構(gòu)成。e.g. smething, smene, nwhere, anybdy等。二、用法。1．通常情況下,由sme, every加后綴構(gòu)成的不定代詞、副詞常用于肯定句；由any加后綴構(gòu)成的不定代詞、副詞常用于疑問(wèn)句、否定句中。e.g. Yu will find yur bag smewhere. Can yu hear anything?
2. 注意：當(dāng)說(shuō)話人希望得到肯定答復(fù),或是表示建議、請(qǐng)求等意圖時(shí),smething, smebdy, smene也可以用于疑問(wèn)句中。當(dāng)要表達(dá)“任何人；任何事物”時(shí),anything, anybdy, anyne也可以用于肯定句中。e.g. Wuld yu like smething t drink? Anybdy can d it except Tm.
1. When Anna pened her wallet, she was surprised t find ________. It was empty.A. nthingB. anythingC. smethingD. everything2. There's ________ wrng with the engine—it's making strange nises.A. nthingB. anythingC. everythingD. smething3. Did yu d __________ during the last summer vacatin?A. smething special B. special smething C. anything special
______ a result（結(jié)果）, a lt f rich land has changed _____（變?yōu)椋ヾesert. Trees can stp the wind frm ______ the earth _____(吹走）.We shuldn’t leave rubbish ____________(到處).All these prblems are very serius, _____(所以) we must d smething nw.
here and there
water pllutin
Imagine yu are water. Please tell us yur functins, prblems and wishes.
I’m water. I used t be …Factries usually pur …I wish human beings …
1a Read the passage and put the fllwing paragraphs in the crrect rder.
( ) The sea seems t have the best answer. There is plenty f water in the sea. But we need t take the salt away frm the sea water. This is very expensive. If scientists can find cheaper ways t d it, we can slve the prblem f the shrtage f water. ( ) Hw can we avid a serius water shrtage? First, we shuld save water and nt waste it. Secnd, we shuld prtect ur water resurces and nt pllute them. Third, we shuld discver ways t reuse water. Scientists have made sme prgress in this field. Tday, sme large cities are reusing their water. But peple’s need fr water is increasing day by day. We still dn’t have enugh water. What else can we d? ( ) Althugh the wrld is hungry, it is even thirstier. While nearly ? f the earth is cvered with water, we are still shrt f drinking water. This is because abut 97% f the water n the earth is sea water. S we can’t use it fr watering plants r drinking directly. Humans can nly drink and use fresh water frm places including rivers, lakes and undergrund.
名詞 avid 代詞 動(dòng)名詞
e.g. He avided answering my questins.
1. Hw can we avid a serius water shrtage? 我們?nèi)绾伪苊馑Y源短缺呢？
adj.缺水的;（口）渴的
3.Althugh the wrld is hungry, it is even thirstier 雖然世界是饑餓的，但是它更渴。
2….we shuld discver ways t reuse water.我們需要找到再利用水的方法。
nearly 與almst 區(qū)別 ： almst 多表示時(shí)間、程度、距離、進(jìn)度， 且almst 可以修飾mre than, t, nthing, nbdy, nwhere, n ne, nne, never 等詞，nearly 則不行。nearly只與nt連用。 e.g. I have almst never seen him. I nearly didn’t hear what the teacher said in class.
4.While nearly ? f the earth is cvered with water , we are still shrt f drinking water. 盡管地球差不多四分之三都被水覆蓋，我們?nèi)匀蝗鄙亠嬘盟?
1b Read 1a again and answer the questins.
1.Why is ur wrld thirsty when ? f the earth is cvered with water ? 2. What can we d nw t avid the water shrtage?
Because abut 97% f the water n the earth is sea water, we can’t use it fr watering plants r drinking directly.
First, we shuld save water and nt waste it. Secnd, we shuld prtect ur water resurces and nt pllute them. Third, we shuld discver ways t reuse water.
3. What will be the best way t slve the prblem in the future in the passage?
4. D yu knw any ther ways t slve the prblem? What is it?
T find cheaper ways f taking the salt away frm the sea water.
2 Discuss in grups different ways f prtecting and saving water. Write dwn the key infrmatin.
Example: Pass laws(n.法律) against water pllutin. Cllect and reuse waste water. … …
Write a Passage
水資源問(wèn)題已成為舉世矚目的重要問(wèn)題之一，請(qǐng)發(fā)揮你的想象，并結(jié)合所學(xué)知識(shí)，請(qǐng)以“Hw t prtect water resurces?為題，寫(xiě)一篇英語(yǔ)短文。 內(nèi)容包括：1. 寫(xiě)出水資源的現(xiàn)況。(2到3點(diǎn)） 2.提出保護(hù)水資源的方法（2到3點(diǎn)） 3. 呼吁大家節(jié)約水，保護(hù)我們的地球。參考詞匯： 保護(hù) prtect 水資源 water resurces 把……倒進(jìn) pur int 廢水 waste water
Hw t write a passage ?
3. Write a prpsal abut saving water t all the students in yur schl.
My dear friends, Water is very imprtant t human beings. Let’s d smething t prtect and save it. First, ________ . Secnd,_________. Third, _________. Let’s try ur best t save water and ur planet._____
My dear friends, Water is very imprtant t human beings. Let’s d smething t prtect and save it. First, we shuld prtect ur water resurces and nt pllute them. The gvernment shuld als pass laws against the water pllutin. Secnd, we shuld save water in ur daily life, turn ff the taps in time, take a shwer instead f a bath, and always remember t cllect and reuse water. Third, let’s try t spread the message abut prtecting and saving water. Make mre peple arund us knw the prblem f water shrtage and hw t help slve it. Let’s try ur best t save water and ur planet. Student Unin
Yu can write it like this.
1. sme wrds2. sme phrases3. sme sentences: 1.Talk abut ways f saving and use the indefinite prnun and adverb crrectly. 3. Write a prpsal.
If we want t use the sea water, we must ______ ___(拿走） the salt frm the sea water. Hw can we _________(避免) a serius water shrtage? We shuld __________(找到) ways t reuse water. Peple’s need fr water is increasing ____________(一天天).Althugh the wrld is hungry, it is even ________(更渴的)While ___________(幾乎，差不多) ? f the earth is cvered with water, we are still shrt f drinking water.
take away