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初中英语Lesson 44 Environment Clubs课堂教学课件ppt
展开Key wrds & phrases: least; pllute; waste; shut; thrw away; shut dwn. Key sentences: 1. Envirnment clubs encurage students t bring their lunches in reusable bags and dishes. 2. It’s a gd way t reduce packaging. 3. On a n-car day, nbdy cmes t schl in a car—neither the students nr the teachers!T learn hw t prtect ur envirnment.
Wrds & Expressins
reducereusableleastplluteskippackagingleaky
n. 减少adj. 可重复使用的adj.&adv.最少的(地)最小的(地)n. 最小量;最小物v. 污染;弄脏v. 跳跃;跳绳n. 包装adj. 渗漏的
wastelitresinkelectricityshutthrw awayshut dwn
v. & n. 浪费n. 公升n. 水槽;水池n. 电v.关上;合上扔掉关闭;停下
Let's watch a vide !
What can we d t save the earth?
stp riding in cars
Guessing Game!What can we d t help save the earth?
recycle bks and paper
turn ff the lights when yu leave a rm
turn ff the shwer while yu're washing yur hair
洗头发的时候关掉淋浴器
dn't use paper napkins
plant mre trees
dn't use plastic bags
It's everyne's duty t lve and prtect the envirnment. 爱护和保护环境是每个人的责任和义务。
Presentatin
In Nrth America, many students jin envirnment clubs. In an envirnment club, students wrk tgether t reduce pllutin and prtect the envirnment. The fllwing is a list f their activities and advice.
I’m a member f an envirnment club.
·N-garbage lunches: Hw much garbage d yu thrw away after lunch? Envirnment clubs encurage students t bring their lunches in reusable bags and dishes. The class with the least garbage gets a prize.
·N-car days: On a n-car day, nbdy cmes t schl in a car—neither the students nr the teachers! Cars pllute ur air, s remember: Walk, skip, bike r run. Use yur legs! It's lts f fun!·Bring yur wn shpping bag! Bring yur wn bag when yu g shpping. It's a gd way t reduce packaging.
·Save water! Did yu knw that a leaky tilet can waste 20 t 40 litres f water an hur? In a year, that wuld fill a large swimming pl! In envirnment clubs, students fix leaky tilets and sinks. ·Save electricity! Turn ff the lights when yu leave a rm. Turn ff the televisin and shut dwn the cmputer when yu are nt using them.
Let's wrk tgether t make ur envirnment clean. Culd yur schl d sme f these things?
Let’s D It!
1. Read the lessn and answer the questins.
1. Why d many students jin envirnment clubs in Nrth America? 2. Why d the students take their wn bags when they g shpping?
Because students want t wrk tgether t reduce pllutin and prtect the envirnment.
Because it's a gd way t reduce packaging.
3. Hw d the students in an envirnment club save water? Hw d they save electricity?
In an envirnment club, students fix leaky tilets and sinks. They turn ff the televisin and shut dwn the cmputer when they are nt using them. And they turn ff the lights when they leave a rm.
2. Fill in the blanks with the crrect frms f the wrds in the bx.
1. The sap factry _________ the drinking water in this area. 2. Students shuld nt ________ paper. 3. ________ knws when life n the earth started. 4. He wh talks the mst knws the ________. 5. I culdn't ________ the windw because it was stuck.
Waste least nbdy shut pllute
3. Read the passage and fill in the blanks.
In sme cuntries f the wrld, peple have started t reduce the amunt f garbage they make. Hw? First, they buy ________ things. They try t buy nly what they really need. When yu buy fewer things, yu ________ away fewer things. Secnd, they reuse things. They use things, and then they use them again! Third, they recycle things. They make ld things int new things. Peple call these the “three Rs”: reduce, _______ and ________. The three Rs help us remember that __________ is a prblem.
4. Suppse yur schl's envirnment club wants t make a pster abut littering and recycling. Can yu make ne? Here's an example.
Stp Pllutin!We have a nice, clean schlyard. Let's keep it this way. Dn't litter!Always put yur garbage in a garbage can. Never thrw it n the grund.
Recycle!Stp and think befre yu thrw smething ut: Can I use this again? Can this be recycled? Tgether, we can help keep ur wrld clean!
Language pints
1. In an envirnment club, students wrk tgether t reduce pllutin and prtect the envirnment. (教材P116)
reduce v. 减少 反义词为increase v. 增加reduce t 减少到…… reduce by 减少了……e. g. The number f the students has reduced t 200 this year. 今年的学生数量已减少到了两百人。We have reduced the price by 10 percent. 我们已经把价格减少了10%。
2. Hw much garbage d yu thrw away after lunch?(教材P116)
thrw away 扔掉; 失去 为动副短语,宾语是代词,放中间;宾语是名词,放中间或后边e. g. Yu shuld thrw away the ld chairs and buy sme new nes. 你应该把旧椅子扔掉, 买些新的。This is yur chance, and dn’t thrw it away. 这是你的机会, 别失去它。
3. Envirnment clubs encurage students t bring their lunches in reusable bags and dishes. (教材P116)
encurage v. 鼓励; 激励 常用结构:encurage sb. t d sth.鼓励某人做某事encurage sb. in sth. 在某事上鼓励或支持某人e. g. My mther encuraged me t have a try. 我母亲鼓励我试一试。Her father encurages her in her drawing. 她的父亲在她的绘画方面鼓励她。
He didn’t give me much curage. Instead, he discuraged me. 他没有给我太多勇气。相反, 他使我泄气。
4. The class with the least garbage gets a prize. (教材P116)
least adj. & adv. (little 的最高级) 最少的(地) ; 最小的(地) n. 最少量; 最小物least修饰不可数名词时,一般用来指量,不指具体的数。little—less—leaste. g. He did the least wrk f all. 在所有人当中, 他做了最少的工作。
I have fewer dresses and less mney than yu. 我的连衣裙和金钱都比你的少。It happened just when we least expected it. 它发生在我们最料想不到的时候。At least ten peple were killed in the crash. 至少有十人在撞车事故中丧生。
5. Did yu knw that a leaky tilet can waste 20 t 40 litres f water an hur? (教材P116)
waste v. 浪费 waste time/mney n...在……方面浪费时间/ 金钱waste time/mney (in) ding sth. 浪费时间/ 金钱做某事e. g. Dn’t waste time n it anymre. 不要再在它上面浪费时间了。Yu are wasting yur time (in) trying t explain it t him. 你努力跟他解释这件事是在浪费时间。
waste 可作名词, 意为“ 浪费, 滥用”, 是不可数名词, 但可与a 连用; 作为“垃圾; 废物” 讲时, 常用复数形式, recyclable wastes 可再循环的废物。常用句型为:It’s a waste f time/mney t d sth.做某事是浪费时间/金钱。e. g. It’s a waste f time t talk t him. 跟他谈话就是浪费时间。
6. Turn ff the televisin and shut dwn the cmputer when yu are nt using them. (教材P116)
一、用所给单词的正确形式填空
1. In ur class, I gt the ______ (little) mney during the summer hliday.2. Air ________ (pllute) is a big prblem in this city.3. Sme water is dripping frm a ______ (leak) tap.4. Wuld yu please ______ (help) me mve the big bx?5. The ______ (dish) are t dirty. Yu shuld wash them.
1.—My teacher ften encurages me ____ mre friends but I find it difficult. — Yur teacher’s idea is right. The mre friends yu make, _____ yu will be.t make; the mre happy B. t make; happier C. making; the happier D. t make; the happier2. Please _____ the water when yu brush yur teeth. A. take dwn B. turn up C. take away D. turn ff
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