Chapter 2 Pollution Fighters（精選2篇）
Chapter 2 Pollution Fighters 篇1
chapter 2 pollution fighters
一 learning aims:
1.通過閱讀，了解樹木對于環境的作用。
2.學會查閱書籍的目錄。
二 main phrases:
words
chemical communicate nasty natural oxygen pure release hectare suppose warn hardly sip
phrases
1.average ages 平均年齡
2.magnolia trees 白玉蘭樹
3.sweet-smelling flowers 氣味芬芳的花朵
4.be known as... 被譽為
5.collect some facts for... 為......收集一些事實材料
6.a class project on pollution 一個有關污染的班級實踐項目
7.interview sb. about sth. 就有關......采訪某人
8.be interested in (doing) sth. 對......感興趣
9.living 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 conditioners 天然空調
16.harmful gas 有害氣體
17.take… from… 把......從......中拿走
18.release … into… 釋放......進入
19.one and a half hectares of trees 一公頃半的樹林
20.produce enough oxygen 產生足夠的氧氣
21.keep… alive 使......存活
22.as well as 也,同樣
23.for example 例如
24.warn sb (not) to do sth 告戒某人(不要)做某事
25.warn sb. of sth. 預告/ 預先通知某人某事
26.protect oneself by doing sth. 通過......保護自己
27.produce a chemical 產生一種化學物質
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 處于危險中
35.hardly any = almost no 幾乎沒有
36.our best fighters against pollution 我們最好的反污染衛士
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
2. living a. alive now 有生命的 作定語
e.g. he’s the world’s most famous living artist. 他是世界上最著名的仍然健在的藝術家。
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.
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 位于形容詞或副詞前與more + 形容詞或副詞及加 er 構成的比較級意思相反
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
e.g. an air-conditioner can kept the room clean.
keep 可作系動詞，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 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.
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. 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 …… 感興趣 2 樹木有什么好處？
3 釋放氧氣到空氣里 4 在危險中
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 對付污染 10 砍倒
iii. translate the following phrases into english;
1. 警方正在用無線電聯系。
2. 農民用一種化學產品殺滅田里的害蟲。
3. 律師要求警方立即釋放他的客戶。
4. 這個新的公園戰地60公頃。
5. 我必須警告你不要出去，暴風雨要來了。
iv. rewrite 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 that he can’t go to school. （ 保持原句意思）
my brother is so _______ _______ to go to school.
5. judy is interviewing dr. ray. （反意疑問句 ）
judy is interviewing dr. ray. , _______ _______.
Chapter 2 Pollution Fighters 篇2
一 重點詞匯average n. 平均的magnolia n. 木蘭花best-known adj. 最著名的produce v. 提供sweet-smelling adj. 散發香味的project n.. 計劃；實驗；工程 sip v. 啜飲 suppose v. 假設 breathe v. 呼吸 pure a. 純凈的 hardly adv. 幾乎不natural adj. 自然的gas n. 氣體release v. 釋放oxygen n. 氧氣attack v. 攻擊warn v. 警告chemical n. 化學物質underground adv. 地下地communicate v. 交流replace v. 代替destroy v. 破壞nasty adj. 骯臟的belong toone anotheras well as二 重點句式 they made streets more beautiful and less noisy. tress cool the air as well as clean it.重點語法 一般現在時三 教學建議 reading: 1. 從植樹節談起，使學生認識到樹木是人類的好朋友。要求學生列出我們日常生活中所用的物品，有哪些是從樹上得來的。 2. 課文學習以 “what can tree do ?” 為主線，① make streets more beautiful and less noisy② produce wood, fruits, nuts, oxygen, and so on③ make air cool and clean④ communicate with one anotherlistening: 在做聽力之前讓學生先列出我們植樹的原因。language: 復習現在進行時的同時加入新的內容，即有些動詞在一般情況下是不用現在進行時。speaking: 提供有關的英語繞口令來進行訓練。using english: 利用英語課本的 index進行實際的操練。writing: 先對圖片進行討論，通過師生問答來熟悉圖片內容。more practice: 將文章作為泛讀材料，訓練學生尋找有效信息的能力。四 人文教育使學生認識到樹木對人類的重要性。面對日益嚴重的環境污染問題，保護樹木，植樹造林無疑是一個行之有效的好方法。培養學生建立愛護樹木保護環境的意識。