外研版 (2019)必修 第二册Unit 6 Earth first精品课件ppt
展开Dealing with glbal warming
Share what yu knw abut these expressins.
·water cnservatin:the cnservatin f water resurces·renewable energy:The wind and the sun are renewable energy surces.·carbn ftprint:the ttal sets f greenhuse gas emissins caused by an rganizatin,event,prduct r persn·reusable water bttle:use a bttle that can be reused t save materials f prducing bttles·LED bulb:It uses less electricity.·greenhuse effect:caused by atmspheric gases that allw sunshine t pass thrugh but absrb heat that is radiated back frm the warmed surface f the earth
Cmplete the brchure with the expressins in Activity 4.
Six things yu can d NOW t help stp glbal warming • Reduce waste by chsing reusable prducts—get a(n) 1 , fr example.
• Try t reduce yur 2 . Walk r ride a bike instead f taking a car. • Use 3 _______________ such as slar energy and wind pwer. • The less energy yu use,the less carbn dixide is released. Replacing a regular light bulb with a(n)4 ___________is a great start.
• 5 is imprtant because clean water is a limited resurce. Als, we use a lt f energy t prcess clean water. • Planting trees can help a lt in reducing the 6_______________ because trees absrb the carbn dixide in the air.
reusable water bttle
carbn ftprint
renewable energy
Water cnservatin
greenhuse effect
Wrk in pairs. Discuss what yu can d t help deal with glbal warming,using the wrds and expressins yu have learnt.
A:I will g t schl by bike t reduce my carbn ftprint.B:I will bring a reusable bag when I g
A:I will chse reusable prducts—fr example,get a reusable water bttle t reduce waste.B:I will walk r ride a bike instead f driving a car t reduce my carbn ftprint.A:I will use renewable energy such as slar energy and wind pwer.B:I will replace a regular light bulb with an LED bulb as a great start.
Smg cmes frm the wrds “smke” and “fg”,and it is used t describe the air pllutin in cities caused mainly by traffic and factries. Smg can be dangerus because it causes severe breathing prblems and infectins.
Envirnmental prblems t be slvedDid Yu Knw?
Listen t the lecture and chse the tpics that are cvered.
1 What the wrd “smg” means. 2 When the wrd “smg” appeared. 3 What caused smg in the past. 4 What causes smg nw. 5 The effects f smg n the envirnment. 6 Hw gvernments try t reduce smg. 7 What will happen if we dn’t reduce smg.
>听力文本 Lecturer:Gd evening,everyne,and thank yu fr cming t tday’s talk. I’m Dr Brwn and I’m ging t talk abut air pllutin in cities—what we all knw as “smg”. Please feel free t stp me if yu have any questins. S,first f all,a bit f histry. The Term “smg” was first used in the 1800s in cities that had prblems with smke and fg.Student A:Srry fr interrupting,but I believe it was in the 1900s.Lecturer: Srry,I made a mistake. Yu are right. It was in the 1900s. Thank yu. Lndn was ne f the cities where smg caused big prblems. In December 1952,it suffered frm “The Great Smg”. It was a very cld winter,s a lt f cal was burned at hme and in the factries. The prblem was that there was n wind,s thick smg cvered the city. Nwadays... Student B:Excuse me,but can I just ask—did the smg cause any deaths? Lecturer: I’m afraid s. Accrding t research,abut 4,000 peple are knwn t have died as a result f the smg,but that number culd be much higher. It was terrible! Nwadays,smg still exists,but is prduced by chemicals cming frm traffic and factries. Hwever, gvernments are taking measures t reduce smg as much as pssible. Nw,let’s lk at what smg des t ur health... Student A:If I culd just stp yu yu give us examples f these measures? Lecturer: Well,fr example,factries must fllw rules abut what chemicals they use. In sme cities,when there’s smg,peple have t pay t drive in the centre. Nw,let’s mve n t the impact f smg n ur health...
□ Learning t learn A plite interruptin is usually framed as a request fr permissin t interrupt smene,ften starting with If...,May Or Can This may be preceded with an aplgy such as Srry, Excuse me, we interrupt smene when they pause fr breath,r during the slight pause between spken clauses.
Listen again and cmplete the slides.
Smg in the past·Term created in:1____________ ·Big prblem in Lndn:2__________________in December 1952·Causes f the prblem:burning t much cal and 3_______________ Smg in the present·Causes f the prblem:4______________________________and factries· Measures:rules abut using 5_____________ in factries and 6_________________________________ in the city centre
Nw talk abut what the students say t interrupt the lecturerplitely. Listen again if necessary.
The Great Smg
chemicals cming frm traffic
requirements f paying t drive
Wrk in pairs and talk abut recycling.Wrk in pairs. Talk abut anther envirnmental prblem and have a similar cnversatin.
Language pints
核心词汇 教材原句 Nw,she is a mdel and perfrmance artist devted t cean cnservatin . 现在,她是一名致力于海洋保护的模特和行为艺术家。 1 devte v. 致力,献身,倾注She has devted all her energies/life t the care f hmeless peple.她为照料无家可归者倾注了全部心血 / 奉献了一生。【单词积累】(1)devted adj. 挚爱的;投入的;忠实的;专用于……的be devted t sb. 深爱某人 be devted t(ding)sth. 致力于(做)某事(2)devtin n. 挚爱;奉献
单句语法填空(1)Qian Xuesen devted himself entirely science.(2)As we all knw,he is a generus, (devte),reliable and warm-hearted friend.(3) Mr Reed made up his mind t devte all he had t (set)up sme schls fr pr children.(4) A great persn is smene wh devtes his/her life t (help)thers.(5) Fans will shw their (devte)by waiting fr hurs t get tickets t theirfavurite singer’s cncerts.
教材原句 ... Hannah travels the wrld giving presentatins and talks ... ……汉娜周游世界作报告和演讲……2 presentatin n. 报告,(观点的)陈述,说明;展示;颁发搭配:make/give a presentatin 作陈述The sales manager will give a presentatin n the new prducts.营销经理将举行一次新产品推介会。the presentatin ceremny 颁奖仪式【单词积累】present v. 提出,陈述;描述,展现;颁发,赠送 adj. 目前的,现在的;出席的,到场的 n. 现在;礼物present sb. with sth.=present sth. t sb. 赠予某人某物be present at the meeting 出席会议at present 目前,现在
单句语法填空1)The (present)f prizes began after the speeches.(2) [词汇复现] The speaker gave an interesting (present) n urban transprt.(3) The Mayr will persnally present the gld medal the winning athletes at the sprts meeting.写出下列句中 present 的含义(4)There were twenty peple in all present at the meeting. __________(5)My present jb is t take care f the ld in a nursery hme. __________(6) All f them try t use the pwer f the wrkstatin t present infrmatin in a mre effective way. __________(7) The headmaster presented her with a gld medal. __________
presentatin
教材原句 Hell frm Sanjiangyuan Natinal Nature Reserve ( SNNR ). 大家好!这里是三江源国家自然保护区。3 reserve n. & v.(1)n.(野生生物)保护区;储备(物)搭配: reserve 储存……以备用a nature/wildlife reserve 自然 / 野生动植物保护区The mney was being kept in reserve fr their retirement.他们把钱存着以备退休后使用。(2)v. 预订,预约;保留,留出These seats are reserved fr the elderly and wmen with babies.这些座位是专门留给老人和抱小孩的妇女的。D yu have t reserve tickets in advance?你需要提前订票吗? [词汇复现]
单句语法填空(1) A duble rm with a balcny has been reserved him.(2)“It’s such a nice place,”Mther said as she sat at the table (reserve) frCustmers.完成句子(3) Keep a few punds (备用)t cver unexpected csts.(4) I’d prefer t (保留我的看法)until I find all the evidence.(5) These rms (为……保留)special guests.
in reserve
reserve my judgement
are reserved fr
教材原句 Well, SNNR was established in 2000...嗯,三江源国家自然保护区建立于 2000 年……4 establish v.建立,设立;确定,证实The cmpany was established in 2010. 这家公司成立于 2010 年。The new treaty establishes a free trade zne.新条约设立了一个自由贸易区。They have established that his injuries were caused by a fall.他们已经证实他是摔伤的。【词语辨析】establish,set up 与 pen(1)establish 与 set up 均表示“建立,设立”公司、机构等,set up 不如 establish 正式,是日常英语中的常用短语。(2)pen 表示“开设,开办”向公众提供服务的企业,如商店、餐馆、酒店等。
单句语法填空(1) He (establish)a new research centre in Hefei last year.(2) Our gal is (establish)a new research centre in the Nrth.完成句子(3) I was never able t (确定是否)she was telling the truth.(4) It will be essential t (搞清楚如何)the mney is being spent.
established
t establish
establish whether/if
establish hw
教材原句 In recent years, we have seen large areas f wetland that were damaged by human activity.近年来,我们看到大片湿地被人类活动破坏。5 damage v. & n.破损,损害,损伤搭配:d/cause damage t... 对……造成损害Many buildings were badly damaged during the war.许多建筑物在战争中严重受损。Strng winds had caused serius damage t the rf.大风使屋顶严重受损。
完成句子(1) The ld farmer was very upset because the strng winds (对……造成很大损害)his wheat.选词填空(damage/ruin/destry)(2)Yu have my bike;yu’d better get it repaired.(3) My car was in an accident,and I have t buy a new ne.(4) T ur disappintment,the bad weather ur trip.(5) The accident caused sme t my car,but it’s nthing serius.
caused/did great damage t
教材原句 We’ve als seen drughts and fds caused by these changes, which affect the water supply dwnstream. 我们还看到了由这些变化引起的干旱和洪水,这些干旱和洪水影响了下游的供水。6 fd n. & v. (1)n. 洪水,水灾;大量The heavy rain has caused flds in many regins f the cuntry.大雨使全国许多地区发生水灾。a fld f refugees 难民潮(2)v. 淹没;泛滥;(大量地)涌到,涌去;(感觉或回忆)涌上心头,涌现The river burst its banks and flded the valley.河水冲垮堤岸,淹没了山谷。Telephne calls came flding in frm all ver the cuntry.全国各地的电话像潮水般打来。
单句语法填空(1) She drew back the curtains and the sunlight came flding .(2)When I saw the phts,memries f my time in Paris (fld)back.(3) Large quantities f fd are needed in the (fld)areas nw.完成句子(4) The charity received (大量的)thankful telegrams and letters.(5)Requests fr infrmatin (涌入)after the advertisement.(6)Seeing what the hmeless were experiencing,memries f her childhd came (涌上心头).
flding back
7 affect v.影响;(疾病)侵袭;使感动the areas affected by the hurricane 受飓风影响的地区Yur pinin will nt affect my decisin.你的意见不会影响我的决定。It’s a disease that affects mainly lder peple.这是一种主要侵扰老年人的疾病。We were deeply affected by her death. 她的去世使我们深感悲痛。【单词积累】(1)effect n. 影响,效果,作用have an effect n 对……有影响in effect 实际上,事实上take effect 开始起作用;生效,开始实施cme int effect 生效,开始实施(2)effective adj. 有效的;生效的【词语辨析】affect 与 influenceaffect主要指一时的影响,强调影响的动作,可指一般意义的影响,也可指不良影响。influence主要指对其他人的行为、性格、观点等产生潜移默化的影响。
单句语法填空(1)Babies’ health is much mre likely (affect)if either parent smkes.(2) The trnad happened in 1925, (affect)three US states.(3) With the gvernment’s aid,thse (affect)by the earthquake have mved t the new settlements.(4) Unhealthy living habits had a bad effect his health.(5) (affect)by the rise f huse prices,peple in big cities live under great pressure.选词填空(affect/influence)(6) The change in climate may yur health.(7)We became the best friends and he me deeply.
t be affected
8 supply n. & v. (1)n. 煤气、电力、自来水等供应(系统);供应量;[pl. ]补给品fd/water/gas/electricity supply 食物 / 水 / 煤气 / 电供应The natin’s fuel supplies will nt last frever.这个国家的燃料供应不会无穷无尽。Supplies were brught in by air. 补给品通过空运送到了。(2)v. 供应,供给,提供We supply pwer t the five nearby twns.我们向附近的五个城镇提供电力。
单句语法填空(1) They will supply us technlgy in supprt withut asking fr anything in return.(2)This bk will supply sme scientific methds us in English learning.(3) Our schl library can prvide all kinds f gd bks students.(4)Finally,the manager ffered a gd jb me.完成句子(5) We (提供给无家可归的人)fd and clthes.(6)This (给我提供了一个机会)t shw my appreciatint my headmistress.
prvide/supply the hmeless with
ffered me a chance
教材原句 This includes ... as well as adpting new,sustainable ways f feeding farm animals. 这包括……以及采用新的、可持续的方式喂养农场动物。9 adpt v.采取(某种方法),采用;收养,领养(1)n. 煤气、电力、自来水等供应(系统);供应量;[pl.]补给品adpt a new technique 采用一项新技术adpt an apprach/a plicy/an attitude 采取一种方法 / 政策 / 态度The new tax wuld frce cmpanies t adpt energy-saving measures.征收新税将迫使公司采取节能措施。The cuple adpted a baby girl. 这对夫妇收养了一名女婴。【单词积累】(1)adpted adj. 收养的,领养的 adptin n. 收养,领养;采用,采纳(2)形近词:adapt v.(使)适应;改编adapt(neself) t(使自己)适应……(t 是介词)be adapted fr 被改编成…… be adapted frm 改编自……
单句语法填空(1) Becming a member f the sciety means (adpt)its values.(2) The wman said that her tw children were bth (adpt).(3)Clearly,a mre bjective methd f descriptin must (adpt).选词填空(adpt/adapt)(4) It turned ut that his sn treated them as if they were his wn parents.(5)It tk him quite a lt f time t t the life here.(6)The film is frm a nvel f M Yan.(7) All three teams different ways t slve the prblem.
教材原句 Reduce waste by chsing reusable prducts ... 通过选择可重复使用的产品来减少浪费……10 reduce v.减少,降低Giving up smking reduces the risk f heart disease.戒烟会降低得心脏病的风险。The wrkfrce has been reduced by half. 劳动力已经减少了一半。The skirt was reduced t £10 in the sales.在大减价期间,这条裙子减价到 10 英镑。They were reduced t begging in the streets. 他们沦落到沿街乞讨。【归纳拓展】rise/increase t 增加到……rise/increase by 增加了……
单句语法填空(1) She reduced her weight 6 kils.That is t say,she reduced her weight frm68 kils 62 kils.(2) His speech reduced all the audience present tears.(3)Shrtly after suffering frm a massive earthquake and (reduce)t ruins,the city tk n a new lk.完成句子(4) One f the mst effective ways t (减轻压力)is t talk abut feelings with smene yu trust.(5) All the shirts (被降价到)10 dllars.(6)The price (降低了)20% since May.
being reduced
reduce stress
are reduced t
has been reduced by
教材原句 Walk r ride a bike instead f taking a car.步行或骑自行车而不是开车。11 instead f 代替;而不是Yu can g instead f me,if yu want.如果你愿意,你可以代替我去。We shuld d smething instead f just thinking abut it.我们应该做点儿什么,而不是仅仅想一想而已。
单句语法填空(1) Instead fcusing n yur weaknesses,fcus n yur strengths.(2) Instead f (buy)them in the shps,she prefers making her wn clthes.(3)Jack is a great talker. It’s high time that he did smething instead f just (talk).同义句转换(4)The salesman didn’t give me a Chinese bk.Instead,he gave me an English bk.=The salesman gave me an English bk a Chinese bk.
instead f
教材原句 The less energy yu use, the less carbn dixide is released. 你使用的能源越少,释放的二氧化碳就越少。12 release v. & n. 释放,排放;发布;发行 搭配:release sb. frm sth. 从……释放某人He was released frm the hspital yesterday. 他昨天获准出院了。The bears are eventually released int the wild.这些熊最后被放回野生环境中。The new trade figures have just been released.新的贸易数字刚刚公布。release a mvie/bk/CD 发行电影 / 书 / 激光唱片
单句语法填空(1) Plice arrested several men,wh were later (release).(2) Firefighters tk tw hurs t release the driver the wreckage(残骸).(3)The curt fund him inncent and he (release).
was released
教材原句 Smg can be dangerus because it causes severe breathing prblems and infectins.雾霾会很危险,因为它会导致严重的呼吸问题和感染。13 severe adj. (问题、伤势、疾病等)很严重的;恶劣的;严厉的His injuries are severe. 他的伤很重。The US faces severe ecnmic prblems.美国面临严重的经济问题。severe weather cnditins 恶劣的天气情况a severe winter 严冬a severe expressin 严厉的表情【单词积累】severely adv. 严重地;严厉地
单句语法填空(1) Mtrists shuld be punished (severe)fr dangerus driving.(2) [词汇复现] The UN wants t send fd aid t 10 cuntries in Africa (severe)affected by the drught.完成句子(3)In parts f Africa there is (严重的水资源短缺).
a severe water shrtage
教材原句 A plite interruptin is usually framed as a request fr permissin t interrupt smene ...礼貌的打断通常被理解为请求允许打断某人……14 permissin n.允许,许可Yu must ask permissin befre taking phtgraphs inside the hall.你必须申请批准方可在大厅内拍照。N fficial permissin has been given fr the event t take place.这项活动未得到正式批准,不能进行。She tk the car withut permissin.她未经许可擅自使用了汽车。
【单词积累】permit v. 许可,允许;(使)成为可能 n. 许可证permit sb. t d sth. 允许某人做某事weather permitting 天气允许的话if time permits 如果时间允许完成句子(1) In ur schl,n student can g ut f the classrm (未经许可).(2)Mary is (请求她母亲的许可)t marry Tm,saying he is a respnsible yung man.
withut permissin
asking(fr)her mther’s per missin
单句语法填空(3)If yu think that treating a wman well means always getting her (permit)frthings,think again.(4)It was annunced that nly when the fire was under cntrl wuld the residents (permit)t return t their hmes.(5) We’ll have a picnic at the beach,weather (permit).(6) She had asked the gvernment fr (permit)t mve the bks t a safe place,but they refused.
be permitted
重点句式 教材原句p.66 The less energy yu use , the less carbn dixide is released. 你使用的能源越少,释放的二氧化碳就越少。the+ 比较级 ...,the+ 比较级 ...“the+ 比较级(+ 主谓),the+ 比较级(+ 主谓)”表示“越……,就越……”。前者表示条件,后者表示结果。The mre yu study,the mre yu knw.你学的越多,懂的就越多。【归纳拓展】表达“越来越……” :比较级 +and+ 比较级 mre and mre + 多音节形容词原级strnger and strnger 越来越强大mre and mre imprtant 越来越重要
完成句子(1) 你学习越努力,你取得的进步就越大。 yu study, yu will make.(2) 你练习得越多,理解得就越好。 yu practise, yu can understand.(3)With the rapid ecnmic develpment,China’s psitin n the internatinal stage is getting (越来越重要).
the greater prgress
mre and mre imprtant
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