高中英語北師大版 (2019)必修第三冊(cè)Lesson 1 Roots and Shoots教課課件ppt-課件下載-教習(xí)網(wǎng)

主題語境——人與自然之環(huán)境保護(hù)
【語境概說】本單元的主題語境為人與自然中的環(huán)境保護(hù)，該主題語境主要包括人與環(huán)境、人與動(dòng)植物、人類生存、社會(huì)發(fā)展與環(huán)境的關(guān)系等。本單元主要涉及人與環(huán)境、人與動(dòng)植物、社會(huì)發(fā)展與環(huán)境的關(guān)系。該主題對(duì)學(xué)生的生活和學(xué)習(xí)環(huán)境影響非常深刻。通過本單元的學(xué)習(xí)，學(xué)生了解生態(tài)環(huán)保的意義；同時(shí)在語言能力、文化意識(shí)、思維品質(zhì)和學(xué)習(xí)能力等方面將得到融合發(fā)展。
T lve ur living envirnment is t lve urselves.愛護(hù)我們的生活環(huán)境，就等于愛護(hù)我們自己。Prtect ur hmeland and make the earth green.保護(hù)我們的家園，讓地球充滿綠色。There is nly ne earth, and mankind shuld wrk tgether.只有一個(gè)地球，人類應(yīng)該同舟共濟(jì)。Let the water be clearer, the sky be bluer, the flwers be brighter, and the earth be mre beautiful. 讓水更清，讓天更藍(lán)，讓花更艷，讓我們的地球更美麗。T save water resurces, everyne has respnsibilities.節(jié)約水資源，人人有責(zé)。
Ⅰ.Pre-listening—Translate the fllwing wrds and phrases.
1．living n．________________2．cean n. ________________3．smg n. ________________4．desert n. ________________5．glbal adj. ________________
Sectin Ⅰ　Tpic talk
6．industrial adj. ________________7．extinctin n. ________________8．electricity n. ________________9．transprt n. ________________10．battery n. ________________11．recycle v. ________________12．carbn n. ________________13．live in harmny with nature ________________14．d my part fr sth ________________15．view n. ________________
Ⅱ.While-listening
1．Finish Ex.2 n Page 28.2．Finish Ex.4 n Page 29.
Ⅲ.Pst-listening—Listen t 8.2 again and fill in the blanks.
Dear all, welcme t ur exhibitin n green living.Yu may ①____________ what we mean by green living.I’m sure yu will understand this cncept after the exhibitin.There are fur ②____________ altgether.The first sectin ③____________ different types f pllutin.We all knw that there are varius types f pllutin arund us, which may cause different kinds f ④______________________， fr instance, water pllutin, air pllutin, cean pllutin, sil pllutin and nise pllutin.This sectin will shw hw pllutin ⑤____________ ur envirnment and ur health.The secnd sectin explains the ⑥____________ that cause different types f pllutin.And yu will see that ur
envirnmental prblems
actins as humans are ⑦_(dá)_______________ f pllutin.The third sectin presents the slutins that have been taken t tackle the prblems, detailing ways we can help the envirnment.Fr example, a gd way t ⑧________________ is t plant mre trees.Finally, the exhibitin ends with a summary abut what we persnally believe we shuld be ding t ⑨____________________．T me, green living is abut living ⑩________________ nature.
the main surces
reduce pllutin
lead a green life
in harmny with
談?wù)摥h(huán)境保護(hù)的常用口語1．I think all cuntries shuld wrk tgether t clean the wrld. 我認(rèn)為所有的國(guó)家應(yīng)該共同努力來治理環(huán)境。2．What d yu think we rdinary peple can d t prtect the envirnment？你覺得我們普通人在環(huán)保方面能做些什么呢？3．We really need t prmte the awareness f envirnmental issues amng individuals. 我們真地需要提高人們的環(huán)保意識(shí)。4．We have nly ne earth and we all have t share it. 我們只有一個(gè)地球，必須共同保護(hù)她。
5．The classified trash recycling has been started in ur neighbrhd.我們小區(qū)已經(jīng)開始實(shí)行垃圾分類回收了。 6．We can help prtect the envirnment by recycling wastes.我們可以通過回收利用垃圾幫助保護(hù)環(huán)境。 7．The supermarket is using paper bags instead f plastic bags.這家超市不用塑料袋，而是用紙袋。8．Air pllutin in China is extremely serius, especially in cities with heavy industry.中國(guó)的空氣污染很嚴(yán)重，尤其在重工業(yè)城市中。
10．Factries must nt be allwed t emit dangerus chemicals in their smke r waste water.工廠應(yīng)禁止在煙囪和廢水里排放危險(xiǎn)的化學(xué)物質(zhì)。
9．Yu shuld take yur glass, paper, plastic, cardbard, and tin cans t a recycling center.你應(yīng)該把玻璃，紙張，塑料，硬板紙盒，罐頭盒送進(jìn)回收中心。
Ⅰ.Brainstrming—Talk abut the envirnmental prblems that we’re facing.
Melting glaciers, desertificatin(沙漠化), smg, rising sea levels, air and water pllutin, cean acidificatin(海洋酸化), etc.
Ⅱ.Make sentences after the mdel.
1．We all knw that there are varius types f pllutin arund us, which may cause different kinds f envirnmental prblems, fr instance, ...
我們都知道我們周圍有各種各樣的污染，這可能會(huì)導(dǎo)致各種各樣的環(huán)境問題，例如……[仿寫]　我們都知道我們周圍有各種各樣的污染，這可能會(huì)導(dǎo)致各種各樣的環(huán)境問題，例如，水污染/海洋污染/空氣污染/霧霾/全球變暖/動(dòng)植物滅絕。We all knw that there are varius types f pllutin arund us, which may cause different kinds f envirnmental prblems, fr instance，_______________________?__________________________________________________________________.
water pllutin/cean
pllutin/air pllutin/smg/glbal warming/animal r plant extinctin
2．Fr example, a gd way t reduce pllutin is t...例如，減少污染的一個(gè)好方法是……
[仿寫]　例如，減少污染的一個(gè)好方法是種更多的樹/騎自行車上學(xué)/節(jié)約能源/更多的使用公共交通工具/改變我們的生活習(xí)慣。Fr example, a gd way t reduce pllutin is _____________________________________________________________________________________________________.
t plant mre trees/cycle t schl/
save energy/use mre public transprt/change ur living habits
3．T me, green living is abut...對(duì)我來說，綠色生活就是……
[仿寫]　對(duì)我來說，綠色生活就是健康生活/與自然和諧相處/尊重自然/保持人與自然的平衡/為環(huán)境盡我的一份力。T me, green living is abut ________________________________________________________________________________________________________________________________.
healthy living/living in harmny with nature/respecting
nature/maintaining the balance between humans and nature/ding my part fr theenvirnment
Ⅲ.Talk abut green living using the fllwing sayings r prverbs.
1．If we dn’t save water, the last drp f water will be a tear-drp f us.如果我們不節(jié)約水，那么最后一滴水也許會(huì)是我們?nèi)祟惖难蹨I。2．A gd eclgical envirnment is the fairest public prduct, and the mst accessible welfare fr the peple.良好的生態(tài)環(huán)境是最公平的公共產(chǎn)品，是最普惠的民生福祉。3．If humans cannt cexist with ther species, they cannt cexist with the planet.人類若不能與其他物種共存便不能與這個(gè)星球共存。
4．Withut the shade frm trees, Earth wuld get t ht t live n.沒有了樹蔭，地球?qū)?huì)變得太熱而不能生存。
We smetimes think glbal warming r climate change is a prblem very far away frm ur lives, and that nly the gvernment needs t wrry abut it.Hwever, it is clsely related t all f us.We shuld try t live green t prtect the envirnment.As we all knw, a gd eclgical envirnment is the fairest public prduct, and the mst accessible welfare fr the peple.
低碳生活(lw carbn living)，就是指在生活中要盡力減少所消耗的能量，特別是二氧化碳的排放量，從而低碳，減少對(duì)大氣的污染，減緩生態(tài)惡化。主要是從節(jié)電、節(jié)氣和回收三個(gè)環(huán)節(jié)來改變生活細(xì)節(jié)。低碳意指較低的溫室氣體(二氧化碳為主)的排放，低碳生活可以理解為：減少二氧化碳的排放，低能量、低消耗、低開支的生活方式。低碳生活代表著更健康、更自然、更安全，返璞歸真地去進(jìn)行人與自然的活動(dòng)。
語言信息的表達(dá)是通過元音，輔音字母有規(guī)律的組合來實(shí)現(xiàn)的。培養(yǎng)學(xué)生較強(qiáng)的音素識(shí)別能力，有助于在聽力測(cè)試中迅速準(zhǔn)確地捕捉關(guān)鍵詞的發(fā)音。
根據(jù)自己的實(shí)際水平選擇適合自己的聽力材料。
精聽要一遍又一遍的反復(fù)聽，泛聽理解大意就可以了。
每天最好安排一定的時(shí)間進(jìn)行聽力練習(xí)，千萬不要“三天打魚兩天曬網(wǎng)”。
5．以讀聽為基礎(chǔ)練習(xí)口語
在讀和聽的過程中，積累了詞匯，掌握了句型，熟悉了用英語表達(dá)思想的方式，最重要的是培養(yǎng)了語感。
1.balance n．平衡；天平；余額 v．平衡；權(quán)衡　balanced adj.保持平衡的
T me, green living is abut living in balance with nature. (教材P28)對(duì)我來說，綠色生活就是與自然和諧相處。
[合作探究]　體會(huì)balance的用法和意義
Life is like riding a bike. T keep yur blance, yu must keep mving.人生就像騎單車，只有不斷前進(jìn)才能保持平衡。He lst his balance and hurt himself when he went upstairs. 他上樓時(shí)失去了平衡，摔傷了自己。Yu have t balance the advantages f living in the cuntryside against the disadvantages.你得權(quán)衡一下住在鄉(xiāng)下的好處和壞處。
①____________ ne’s balance　保持平衡②____________ ne’s balance 失去平衡③balance sth ____________ sth 權(quán)衡；斟酌；比較
ut f balance 不平衡keep the balance f nature 保持生態(tài)平衡keep a balanced diet 保持飲食均衡
單句語法填空/完成句子①Yu have t balance the advantages f living in a big city ____________ the disadvantages.②T keep fit, yu’d better keep a ____________ (balance) diet.③Suddenly a girl ________________________ and fell dwn in frnt f him.突然有個(gè)女孩在他前面失去了平衡而跌倒了。④The child culdn’t ________________ n his new bicycle.孩子騎他的新車時(shí)不能保持平衡。
lst her balance
keep his balance
2.view n．風(fēng)景；美景；意見 v．觀看；看待
Fr example, I plant sme flwers and vegetables utside my windw and I have a great view, t.(教材P106)例如，我在窗外種了一些花和蔬菜，我也可以欣賞很好的景致。
[合作探究]　體會(huì)view的用法和意義
In my view, he is the best persn fr this jb.在我看來，他是這項(xiàng)工作的最好人選。A grup f riders came int view n the dirt rad.一群騎車的人出現(xiàn)在那條土路上。In view f the weather, the event will be held indrs.由于天氣的緣故，這項(xiàng)比賽將在室內(nèi)進(jìn)行。He is helpful and hnest and we all view him as ur friend.他誠(chéng)實(shí)且樂于助人，我們都把他看作是朋友。
①____________ ne’s view在某人看來②cme ____________ view 看得見；進(jìn)入視野③____________ 考慮到；由于④ 把……看作
[鞏固內(nèi)化]　單句語法填空
①When the car ges arund the crner, ur huse will cme ____________ view.②____________ my view, n matter what situatin we are in, bad r gd, we shuld nt waste fd.③We view every custmer ____________ a partner.④In view ____________the facts, it seems useless t cntinue.
3.d my part fr sth盡自己所能做某事
T me, green living is abut ding my part fr the envirnment.(教材P28)對(duì)我來說，綠色生活就是為環(huán)境盡我的一份力。
[短語記牢]　記牢下列短語
take part in　參加play a part in 在……起作用；在……扮演角色fr ne’s part 就某人而言
①I tk part in an English speech cntest last week.上個(gè)周我參加了一次英語演講比賽。②These days wrk plays an imprtant part in a single wman’s life.現(xiàn)在，工作在單身女性的生活中起著重要作用。③Fr my part, I fund the meeting mst fruitful.就我而言，我認(rèn)為這次會(huì)議很有收獲。

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