《Earth first》SectionⅡPPT
第一部分內(nèi)容：新知感悟
重點(diǎn)單詞
閱讀詞匯 (在不認(rèn)識(shí)的單詞前劃√)
□highlight v．□hunting n． □presentation n．
□reserve n． □drought n． □flood n．
□restore v. □sustainable adj. □carbon n.
□greenhouse n. □brochure n. □solar adj.
□release v. □smog n. □fog n.
□severe adj. □infection n. □slide n.
□false adj. □device n. □mode n.
□leak v. □plug n. □campaign n. □canteen n.
寫作詞匯
1. __________ n. 海洋，大海
2．__________ n. 員工
3．__________ v. 建立，設(shè)立
4．__________ v. 破損，損害，損傷
5．__________ v. 影響
6．__________ n. 煤氣、電力、自來水等供應(yīng)(系統(tǒng))
重點(diǎn)短語
1. _______________ 目標(biāo)是……； 旨在做……
2．_______________ 阻止……做……
3．_______________ 被用來做……
4．_______________ 照顧；照看
5．_______________ 大多數(shù)……
6．_______________ 把……誤認(rèn)為……
7. _______________ 分解
重點(diǎn)句型
1.It takes time/money (for sb./sth.) to do sth.：It _____________________________________________ (塑料需要幾百年才能分解) ...
2．倍數(shù)句型：However, making a paper bag uses __________________________________________________ (所消耗的能量是制作塑料袋的四倍) and up to three times the amount of water.
3．強(qiáng)調(diào)句型：_____________________________________ (是食物的生產(chǎn)而不是食物的運(yùn)輸) uses most of the energy and produces most of the greenhouse gases.
... ... ...
Earth first PPT，第二部分內(nèi)容：語篇理解
Read the text on Pages 68－69 and choose the best answer.
1．Why does the writer write the passage?
A．He wants to introduce some new ways to save energy.
B．He wants to correct the false green truths and show really green ones.
C．He wants to call on more people to protect the environment.
D．He wants to explain the importance of energy saving.
2．In the following, which one is NOT the disadvantage of plastic bags?
A．Causing litter.
B．Being treated as food by wild animals.
C．Taking much more time to break down.
D．Using much more energy to produce.
3．Why do people prefer to each local food?
A．Because it can save the energy used to transport.
B．Because it tastes better than the food transported long away.
C．Because its production uses less energy.
D．Because it produces less greenhouse gas.
4．According to the passage, when should you take a shower?
A．Anytime you like.
B．When you spend less than 8 minutes in a shower.
C．When your bath is quite large.
D．When you use about 50 litres of water.
... ... ...
Earth first PPT，第三部分內(nèi)容：詞匯精研
1.devote vt.致力，獻(xiàn)身，傾注
(教材P65) Now, she is a model and performance artist devoted to ocean conservation.
現(xiàn)在，她是一位致力于海洋保護(hù)的模特和表演藝術(shù)家。
(1)devote...to... 把……奉獻(xiàn)給；把……專注于……
devote oneself to 致力于；獻(xiàn)身于
(2)devoted adj. 深愛的；忠誠的
be devoted to 專心于；致力于
(3)devotion n. 熱愛；奉獻(xiàn)
①I don’t think we should devote any more time to this question.
我認(rèn)為我們?cè)谶@個(gè)問題上不應(yīng)該花費(fèi)更多的時(shí)間了。
②He devoted all his spare time to _______ (help) his students with their English.
他把所有的業(yè)余時(shí)間都用來幫助他的學(xué)生學(xué)習(xí)英語。
③(四川卷)Before the exam，I devoted myself to________ (prepare) for it.
考試之前，我全身心備考。
④We were deeply touched by his ________ (devote) to world peace.
他一心為世界和平做貢獻(xiàn)，這使我們深受感動(dòng)。
2. damage v．& n．破損，損害，損傷
(教材P65)In recent years, we have seen large areas of wetland that were damaged by human activity.
近年來，我們看到大片濕地被人類活動(dòng)破壞。
①Do away with the bad habits that might damage your health.
去掉那些有可能損害你健康的壞習(xí)慣。
②Damage ________ (cause) by the earthquake disaster can’t be ignored.
地震災(zāi)害導(dǎo)致的損失不容忽視。
③Eating too much meat one time will do damage ________ your stomach. 一次性吃太多的肉會(huì)對(duì)你的胃造成損害。
3. affect v．影響；感動(dòng)，打動(dòng)
(教材P65)We’ve also seen droughts and floods caused by these changes, which affect the water supply downstream.
我們也看到了這些變化造成的干旱和洪水，它們影響了下游的供水。
(1)be greatly/deeply affected by 被……深深感動(dòng)
(2)effect n. 作用；影響
have an effect on 對(duì)……產(chǎn)生影響
①I had to make important decisions that would affect me for the rest of my life.
我不得不作出影響我后半生的重大決定。
②All the people in the room ________________ (affect) to tears by his story.
屋里所有的人都被他的故事感動(dòng)得流下了眼淚。
③The weightloss pill has a strong side effect ________ people’s hearts.
這種減肥藥對(duì)人的心臟有極強(qiáng)的副作用。
... ... ...
Earth first PPT，第四部分內(nèi)容：句型精析
1.It takes time (for sb./sth.) to do sth.
(教材P68)It takes hundreds of years for plastic to break down...
塑料需要幾百年才能分解……
It takes (sb.) some time to do sth.意為“做某事花費(fèi)(某人)多少時(shí)間”，其中It為形式主語， 后面的不定式短語to do sth. 是真正的主語。此外， take 還可表示“需要” 之意， it takes/took...to do sth.做某事需要……
(1)sth. take (sb.) some time某事花費(fèi)(某人)多少時(shí)間
(2)sb.spend some time/money (in) doing/on sth.某人花費(fèi)多少時(shí)間/金錢做某事
(3)sth. cost (sb.) some time/money某事/物花費(fèi)(某人)多少時(shí)間/金錢
(4)sb.pay some money for sth./to do sth.某人花費(fèi)多少金錢為某物/做某事
①It took me quite a long time to understand the meaning of the painting.
我花了相當(dāng)長(zhǎng)的時(shí)間才理解那幅畫的意義。
②Believe it or not, it takes great courage ____________ (tell) the truth.
信不信由你，說實(shí)話需要勇氣。
(2)a.We’ll have to save as much as possible in order to________________________. (pay)
為了買新房子，我們不得不盡量節(jié)儉。
b．I ______________________________ my bike. (pay)
我付給他20美元修自行車。
(3)The book________________________. (cost)
這本書花了我8美元。
2. 倍數(shù)句型
(教材P68)However, making a paper bag uses four times as much energy as making a plastic bag and up to three times the amount of water.
然而，制作紙袋所消耗的能量是制作塑料袋的四倍，水的消耗量是塑料袋的三倍。
句中four times as much energy as making a plastic bag是倍數(shù)比較的常用形式，其結(jié)構(gòu)為： ...倍數(shù)＋as many/much＋n.＋as...。
常見的倍數(shù)句型：
A is＋倍數(shù)＋as＋adj./adv.的原級(jí)＋as＋B.
A is＋倍數(shù)＋adj./adv.的比較級(jí)＋than＋B.
A is＋倍數(shù)＋the size/length/height/depth/width＋of＋B.
①This year our company has published twice as many books as we did last year.
今年我們公司已經(jīng)出版的書是去年的兩倍。
②There is four times as much water in this pot as in that one.
這個(gè)壺里的水是那個(gè)壺里的四倍。
③The new stadium built for the 2022 Winter Olympics will be three times ____________ big as the present one.
為迎接2022年冬季奧運(yùn)會(huì)而修建的體育場(chǎng)將是現(xiàn)在的三倍大。
④This street is four times the____________ (long) of that one.
這條街是那條街的四倍長(zhǎng)。
關(guān)鍵詞：外研版高中英語必修二PPT課件免費(fèi)下載，Earth first PPT下載，.PPT格式；
