2022年八年級(jí)英語pollutionfighters教案

1、學(xué)習(xí)必備歡迎下載chapter 2 pollution fighters 一 learning aims: 1通過閱讀，了解樹木對(duì)于環(huán)境的作用。2學(xué)會(huì)查閱書籍的目錄。二 main phrases: words chemical communicate nasty natural oxygen pure release hectare suppose warn hardly sip phrases 1average ages 平均年齡2magnolia trees 白玉蘭樹3sweet-smelling flowers 氣味芬芳的花朵4be known as. 被譽(yù)為5collect some

2、facts for. 為.收集一些事實(shí)材料6a class project on pollution 一個(gè)有關(guān)污染的班級(jí)實(shí)踐項(xiàng)目7interview sb. about sth. 就有關(guān) .采訪某人8be interested in (doing) sth. 對(duì) .感興趣9living things 生物10 make.less noisy 減少 .的噪音11 on the end of . 在.頂端12 sip a coke 小口地喝些可樂13 breathe pure air 呼吸純凈的空氣14 thank.for (doing) sth. 為.而感謝某人15 natural air co

3、nditioners 天然空調(diào)16 harmful gas 有害氣體17 take from把.從.中拿走18 release into釋放 .進(jìn)入精品學(xué)習(xí)資料 可選擇p d f - - - - - - - - - - - - - - 第 1 頁，共 5 頁 - - - - - - - - -學(xué)習(xí)必備歡迎下載19 one and a half hectares of trees 一公頃半的樹林20 produce enough oxygen 產(chǎn)生足夠的氧氣21 keep alive 使.存活22 as well as 也,同樣23 for example 例如24 warn sb (not)

4、to do sth 告戒某人 (不要 )做某事25 warn sb. of sth. 預(yù)告 / 預(yù)先通知某人某事26 protect oneself by doing sth. 通過 .保護(hù)自己27 produce a chemical 產(chǎn)生一種化學(xué)物質(zhì)28 make do sth. 使某人做某事29 taste nasty 嘗起來令人作嘔的30 join together 把.連在一起31 pass around 傳遞 . 32 communicate with sb. 和.交流 / 交際33 one another = each other 互相34 in danger 處于危險(xiǎn)中35 h

5、ardly any = almost no 幾乎沒有36 our best fighters against pollution 我們最好的反污染衛(wèi)士sentence patterns 1. trees cool the air as well as clean it. 2. they make streets more beautiful and less noisy. 3. trees are communicating with one another. 三 language points : 1 on earth = in the world 在世界上on the earth 在地球上

6、2 living a. alive now 有生命的作定語e.g. hes the world s most famous living artist. 他是世界上最著名的仍然健在的藝術(shù)家。精品學(xué)習(xí)資料 可選擇p d f - - - - - - - - - - - - - - 第 2 頁，共 5 頁 - - - - - - - - -學(xué)習(xí)必備歡迎下載alive a. living; not dead 活著的做表語e.g. i didn t know if he was alive or dead. 我不知道他是死是活。3 make sb./ sth. to be or become sth.

7、make + n. + adj. 使某人或某物變得。 。 。e.g. the news made him very happy. 這條消息使他很高興。make sb. /sth. do sth. 讓某人做某事e.g. my mother made me wash the dishes after dinner. 媽媽讓我吃飯后洗衣服。be made of 由。 。 。制成（ 看得出原材料）be made from 由。 。 。制成（ 看不出原材料）be made in 在。 。 。制成4. less + adi. 原級(jí)位于形容詞或副詞前與more + 形容詞或副詞及加er 構(gòu)成的比較級(jí)意思相反

8、noisy a. noisily adv. 5. at the end of 在 。 。的盡頭at the beginning of 在 。 。 。 的 開始6 breathe v. to take air into your lungs and send it out again through your nose or mouth breathe in 吸入breathe out 呼出breath n. 呼吸的空氣7 keep sb./sth. + adj. 使 。 。 。 保持某種狀態(tài)e.g. an air-conditioner can kept the room clean. kee

9、p 可作系動(dòng)詞，后面直接加形容詞四 exercises: i. choose the best answer: ( ) 1. the teacher often asks us _ carefully during the class. a. listen b. to listen c. listening d. listened ( ) 2. after having his meal, jack continued _ computer games. a. plays b. to play c. playing d. played ( ) 3. mrs. li goes to _ her

10、son from school every afternoon. a. meet b. see c. visit d. collect ( ) 4. if it _ tomorrow, we will have a picnic. a. not rain b. won t rain c. doesn t rain d. isn t rain( ) 5.i _ the hobby group three months ago and i _ the meeting every monday. 精品學(xué)習(xí)資料 可選擇p d f - - - - - - - - - - - - - - 第 3 頁，共

11、5 頁 - - - - - - - - -學(xué)習(xí)必備歡迎下載a. took part in; join b. entered for, take part in c. joined, attend d. attended, enter ( ) 6. may is keen on _. a. dance b. danced c. dancing d. to dance ( ) 7. it s too cold outside, please _ your coat.a. put on b. wear c. putting on d. wearing ( ) 8. jenny enjoys _. a

12、. go fishing b. going fishing c. to go fishing d. goes fishing ( ) 9. yesterday, i went to school _ a taxi because i got up late. a. by b. on c. with d. in ( ) 10. trees can protect themselves _ producing a chemical. a. from b. by c. of d. for ii. translate the following phrases into english; 1 對(duì) 感興

13、趣2 樹木有什么好處？3 釋放氧氣到空氣里4 在危險(xiǎn)中5 從空氣中除去有還氣體6 喝口咖啡7 把 連在一起8 互相交流9 對(duì)付污染10 砍倒iii. translate the following phrases into english; 1. 警方正在用無線電聯(lián)系。2 農(nóng)民用一種化學(xué)產(chǎn)品殺滅田里的害蟲。3 律師要求警方立即釋放他的客戶。4 這個(gè)新的公園戰(zhàn)地60 公頃。5 我必須警告你不要出去，暴風(fēng)雨要來了。精品學(xué)習(xí)資料 可選擇p d f - - - - - - - - - - - - - - 第 4 頁，共 5 頁 - - - - - - - - -學(xué)習(xí)必備歡迎下載iv. rewrite

14、the sentences as required: 1. they are old but they are still work in the field. （ 保持原句意思）_ they are old, they still work in the field. 2. trees produce enough oxygen to clean the air. （ 保持原句意思）trees clean the air by _ enough oxygen. 3. tom spent half a month painting his house. （ 保持原句意思）_ _ tom half a month _ _ his house. 4. my brother is so young th