1、U2T1SAUnit 2 Saving the EarthTopic 1 Pollution has caused too many problems.Wordsbee n.蜜蜂 beesmy goodness 天哪；啊呀 chemical adj.化學(xué)的； n.化學(xué)品 chemistry 化學(xué) chemist 化學(xué)家waste adj.廢棄的，丟棄的，無用的； n.廢棄物，廢料； vt.浪費(fèi) a waste of 時(shí)間、金錢等的浪費(fèi)stream n.小溪 soil n.土壤，土地 breathe v.呼吸 breath n.呼吸harmful adj.有害的 be harmful to.(尤

2、指對健康或環(huán)境)有害的，導(dǎo)致?lián)p害的 be good for 對什么有益influence v.&n.影響 have an（adj） influence on sbsth對什么有影響 Television has a strong influence on people. 電視對人有很大的影響。weak adj.弱的；差的；淡的 strongproduce n.生產(chǎn)；出產(chǎn)；制造 product是可數(shù)名詞,意思是產(chǎn)品prodcution是不是可數(shù)要看具體情況,意思是生產(chǎn)的動作,生產(chǎn)的過程之類的。gas n.氣體；煤氣 chest n.胸部；箱子，盒子 bosombreastanyway adv.不

3、管怎樣 It was an old bike anyway. 不管怎樣，這是輛舊車。 Anyway we must finish this work today. 無論如何，我們今天必須完成這項(xiàng)工作。following adj。下述的，下列的；（時(shí)間上）接著的 following problems 下述的問題, the following year第二年 the following ,跟隨者。coal n.煤 electricity n.電；電流 electric 是主要指電氣,電動方面的 electricity則是主要表達(dá)電流,電學(xué)等方面的partner n.搭檔，合作者 deaf adj.

4、聾的 print v.印刷 hearing loss 聽力喪失 disturb v.打擾；擾亂 harm n.&v.危害；傷害；損害 including prep.包括在內(nèi) title n.標(biāo)題，題目 rubbish n.垃圾；廢物 sawmill n.(把木材鋸成木板的)鋸木廠 nearby adj.附近的 effect n.效果；作用create v.造成；創(chuàng)造 creation industry n.產(chǎn)業(yè)，工業(yè) destroy v.破壞，毀壞 destroyed 就是徹底玩完了,沒有挽回的余地,非常強(qiáng)硬的, damage只是損壞而已blood n.血，血液pressure n.壓力；壓迫

5、；壓強(qiáng) 在物理意義中壓力可數(shù),可用pressures. 像血壓等blood pressure,這種則不可數(shù)。Section A.Teaching aims1. 一般過去時(shí)和現(xiàn)在完成時(shí)的用法和區(qū)別1. Mother _me a new coat yesterday. I _ it on. It fits me well. A. had madehave tried B. madehave tried C. has madetried D. madetried 2 “He _to draw horses already”. “When _ he?” “Last year “ A. learnedh

6、as B. learneddid C. has learnedhas D. has learneddid 3.Tom _up into the tree. Look, he _ high up there ! A. has gotis B. has climbedwas C. got was D. climbedis2. 正確使用there be sth./sb. doing sth.來表達(dá)“有某人/物正在做某事”。There is a car collecting the rubbish over there .There are some people picking apples on

7、the farm.3. 區(qū)別使用短語see sb./ sth. do sth.和 see sb. / sth. doing sth.。I saw her clean the classroom. 我看到她打掃教室了。（強(qiáng)調(diào)做過這件事） I saw her cleaning the classroom. 我看到她正在掃打教室（強(qiáng)調(diào)正在做某事） . The key points and difficult points1. Key points: Words and phrases: bee, butterfly, mess, shame, several, pollute, waste, vil

8、lager, destroy, cut down, goodness, pour, see sb./sth. do sth., see sb./sth. doing sth., cut down, my goodnessSentences: What a shame! / What a mess! The flowers and grass have gone! What has happened here?There be sth./sb. doing sth. There are several factories pouring waste water into the stream.E

9、verything has changed. Grammar: differences between Simple Past and Present Perfect tense. 2. Difficult points： 正確使用there be sth./sb. doing sth.來表達(dá)“有某人/物正在做某事” 。 區(qū)別使用短語see sb./ sth. do sth.和 see sb. / sth. doing sth.。 能正確地以口頭和書面形式區(qū)別使用一般過去時(shí)和現(xiàn)在完成時(shí)。.Blackboard designPollution has caused too many proble

10、ms.Section AWords and phrase:bee, butterfly, mess,shame, several,pollute/ pollutionwaste, villager, destroy,cut down, goodness,see sb./sth. do sth.,see sb./sth. doing sth.,pour sth. intoSentences:What a shame! / What a mess!The flowers and grass have gone!What has happened here?There are several fac

11、tories pouring waste water into the stream.Everything has changed.Section B. The key points and difficult points1. Key points: Words and phrases: pain, produce, awful, bear, harmful, chest, editor, breathe/breath, soilget a pain in + 身體部位 have a pain in the chest 胸口痛 have a pain in the abdomen 肚子痛 H

12、e ran so fast as to get a pain in his side 他跑得太快，結(jié)果導(dǎo)致腹側(cè)疼痛 。whats worse, 更糟糕的是,一般并列兩個(gè)壞的東西,且后面一個(gè)更嚴(yán)重 It began to rain suddenly; what was worse, we didnt take any umbrellawhats more 此外，表示一般的并列關(guān)系She learns quickly, and whats more, she remembers what she has learnt.too much noise, too many problems, breat

13、hing problem, be harmful to Smoking is harmful to the health. 吸煙有損健康make a mess of 把.搞砸，把某事完全弄糟的意思 She always makes a mess of things; shes a idiot. 她總是把事情弄糟;她是個(gè)不折不扣的大笨蛋。throwaround亂扔throw litter around Sentences: Its difficult for me to breathe. Ive got a pain in my throat. Its really awful. A: How

14、long have you been like this? A: Have you seen a doctor? B: Ive been like this since last week. B: Not yet.Blackboard designPollution has caused too many problems.Section BWords :pain, produce,awful, bear,harmful, chest,breathe/breath,Soil, editorPhrases:get a pain in,whats worse,too much noise,too

15、many problems,breathing problem,be harmful to, make a mess of,throwaroundSentences:Its difficult for me to breathe.Ive got a pain in my throat.Its really awful.A: How long have you been like this?B: Ive been like this since last week.A: Have you seen a doctor?B: Not yet.Section C. The key points and

16、 difficult pointsWords and phrases: deaf, print, recently, sentence, meaning, hearing, loss, disturb, uncomfortable, unpleasant, sort, environmental, including, go deaf, 變成聾子 As he grew older, he began to go deaf.隨著年齡的增長，他的耳朵變聾了。 The noise from the train wreck made me go deaf.火車報(bào)廢時(shí)發(fā)出的噪音把我震聾了。do harm

17、 to/be harmful to do harm to更強(qiáng)調(diào)主語施加危害，強(qiáng)調(diào)動作be harmful to更強(qiáng)調(diào)主語本身的危害性，強(qiáng)調(diào)狀態(tài) Reading in bed is harmful to your eyesight. 躺在床上看書對你的視力有害。 Eating a lot and exercising little do harm to your health. 吃得多而鍛煉少對你的健康有害。lose ones hearing/ have hearing loss, 喪失聽力in noisy condition/ too much noise, 在嘈雜的環(huán)境中no better

18、than幾乎等于,不比好,與一樣 This one is bad ; the other one is no better than it .翻譯一下就是:這個(gè)不好,另一個(gè)也不比它強(qiáng). Jack is no more deligent than Tom Jack不勤奮Tom也不勤奮not onlybut also, 用于連接兩個(gè)表示并列關(guān)系的成分,著重強(qiáng)調(diào)后者,其意為不僅而且;其中的also有時(shí)可以省略。 He works not only on weekdays but on Sundays as well. 他不僅平時(shí)工作，星期日也工作。Not only the students but

19、also their teacher is enjoying the film. 不僅學(xué)生們在欣賞這部影片，他們的老師也在欣賞這部影片。cause sb. to do sth., 使(強(qiáng)迫)(導(dǎo)致)某人做某事all sorts of各種各樣的 all kinds of Sentences: (1) noise is also a kind of pollution and is harmful to humans health. (2) People who work and live in noisy conditions go deaf easily. (3) many teenagers

20、 in America can hear no better than 65-year-old people do . Blackboard designPollution has caused too many problems.Section CKey phrases:go deafdo harm tobe harmful tolose ones hearinghave hearing lossin noisy conditiontoo much noiseno better thanas badly asSentences:(1) noise is also a kind of poll

21、ution and is harmful to humans health.(2) People who work and live in noisy conditions go deaf easily.= People go deaf easily. / People work and live in noisy conditions.(3) many teenagers in America can hear no better than 65-year-old people do, = many teenagers in America can hear as badly as 65-year-old people do, lose losspollute pollutionpleasant unpleasan