Unit-22-Environmental-Protection-Period-Four-Lesson-3-Natural-Disastersppt -北师大版选修8课件.ppt
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1、课前自主学习课前自主学习课堂互动探究课堂互动探究Period FourLesson 3 Natural Disasters课前自主学习课前自主学习课堂互动探究课堂互动探究.单词识记单词识记1_nthe amount of rain that falls in a certain place2_adj.huge;very pleasant3_adj.changing often4_nthe act of supplying water to land5_vto give weapons to sb6_adj.not far from the coast课前自主学习课前自主学习课堂互动探究课堂互动
2、探究7_adj.not smooth;unpleasant8_nthe act of separating9_nmethods by which a thing may be done10_vto build;to put together11_vto slide or lose ones balance of footing12_vto run away13_nthe possibility课前自主学习课前自主学习课堂互动探究课堂互动探究答案答案1.rainfall2.grand3.changeable4.irrigation5.arm6.offshore7.rough8.separatio
3、n9.means10.construct11.slip12.flee13.potential课前自主学习课前自主学习课堂互动探究课堂互动探究.短语天地短语天地1_大大规规模的模的2_进进行武装冲突行武装冲突3_导导致致4_消除,摧消除,摧毁毁5_从从恢复恢复6get over_7turn on_8earn ones living_课前自主学习课前自主学习课堂互动探究课堂互动探究9warn sb in advance_10get a lot worse_11in advance_12to some degree_答案答案1.on a grand scale2.in armed conflict3
4、.result in4wipe out5.recover from6.克克服,恢复服,恢复7.攻攻击击8谋谋生生9.提前提前预预警警10.变变得糟糕得糟糕11.提前提前12.在某种程度上在某种程度上课前自主学习课前自主学习课堂互动探究课堂互动探究.句型搜索句型搜索1If all the beasts were gone,men would die from a great loneliness of spirit,for whatever happens to the beasts also happens to the man.信息提取信息提取whatever在在此引此引导导主主语语从句。从
5、句。例句仿写例句仿写小小孩要什么孩要什么给给什么是不什么是不对对的。的。It is wrong to give _.课前自主学习课前自主学习课堂互动探究课堂互动探究2As a matter of fact,average urban noise pollution levels have decreased by 3 decibels since 1989.信息提取信息提取since表表示示“自从自从以来以来”。例句仿写例句仿写从从那那时时起到起到现现在他就一直住在在他就一直住在这这里。里。Since then he _.答案答案1.a child whatever he wants2has
6、lived here课前自主学习课前自主学习课堂互动探究课堂互动探究.预读理解预读理解1FastreadingScan the text and choose the best answer according to it.(1)Which of the following examples doesnt belong to natural disasters?AIn 2008,a terrible earthquake hit Wenchuan.BIn the spring of 2009,a large area of farmland in China suffered drought.
7、CA lot of people in some African countries are infected with AIDS.DPompeii was buried underground for nearly 2,000 years after a volcanic eruption.课前自主学习课前自主学习课堂互动探究课堂互动探究(2)The attitude of the journalist towards the future is _.Aoptimistic BpessimisticCindifference Dambiguous(3)According to the pas
8、sage who should be to blame for the increasing numbers of natural disasters?ANature itself.BHuman beings.COver advertising.DThe development of modern science.课前自主学习课前自主学习课堂互动探究课堂互动探究(4)Which of the following statements is RIGHT according to the passage?AThere can be an even worse volcanic eruption i
9、n the future.BNatural disasters may occur at regular times,which human beings can predict.CWith the development of modern science and technologies,fewer and fewer people suffer from natural disasters.DGlobal warming has no connection with natural disasters.课前自主学习课前自主学习课堂互动探究课堂互动探究(5)Which of the fol
10、lowing is similar to“turn on”in meaning?ASwitch on.BDepend on.CTake on.DStrike.答案答案(1)C(2)B(3)B(4)A(5)D课前自主学习课前自主学习课堂互动探究课堂互动探究2CarefulreadingRead the text and fill in the blanks.In the last decade,worldwide environmental(1)have been on the rise,which have greatly affected human lives.Volcanic erupt
11、ions and earthquakes have always(2)certain parts of the world.For example,a huge number of people suffered from the(3)of the volcanic eruption on the small island in 1997 and the Asian(4)caused by an offshore earthquake on December 26th,2004.课前自主学习课前自主学习课堂互动探究课堂互动探究The reason why nature is beginning
12、 to turn on us.A.The(5)growing population of the world.B.The huge amounts of carbon dioxide(6)by factories and vehicles.C.The(7)of the worlds forests.Volcanoes and earthquakes are even more(8)than in the past.It is(9)by most disaster experts that there is the potential that things could get(10)worse
13、.课前自主学习课前自主学习课堂互动探究课堂互动探究答案答案(1)disasters(2)threatened(3)catastrophe(4)tsunami(5)rapidly(6)produced(7)destruction(8)dangerous(9)believed(10)a lot课前自主学习课前自主学习课堂互动探究课堂互动探究 1.flee vt.&vi.逃走逃走(fled,fled)They were forced to flee the city when the war broke out.当战争爆发时,他们被迫逃离了这座城市。当战争爆发时,他们被迫逃离了这座城市。flee f
14、rom.从从逃走逃走flee to/into.逃往逃往课前自主学习课前自主学习课堂互动探究课堂互动探究He tried to flee from the police in a flee from stolen car.他企图驾驶一辆偷来的车避开警方。他企图驾驶一辆偷来的车避开警方。Jack fled to London after an argument with his family.杰克与家人争吵以后离家去了伦敦。杰克与家人争吵以后离家去了伦敦。课前自主学习课前自主学习课堂互动探究课堂互动探究【单项填空单项填空】The thief was caught by the police in
15、the railway station before he was able to_.Apurchase BfleeCflock Davoid解解析析句句意意:这这个个贼贼还还没没来来得得及及逃逃跑跑就就被被警警方方在在火火车车站站抓抓住住了了。purchase“购买购买”;flock“聚集聚集”;avoid“避免避免”;flee“逃跑,逃离逃跑,逃离”。答案答案B课前自主学习课前自主学习课堂互动探究课堂互动探究2separate adj.单单独独的的;各各自自的的;分分开开的的 vt.分分开开;隔隔离离separation nUU分开分开,分离分离 The children sleep in
16、 separate beds.孩子们睡在各自的床上。孩子们睡在各自的床上。We are good friends and cant be separated.我我们们是是好好朋朋友友,因因此是拆不散的。此是拆不散的。separate A from B 把把A和和B分开分开A is separated from B by.A和和B为为所分开所分开/阻隔阻隔be separate from.与与是分开的是分开的课前自主学习课前自主学习课堂互动探究课堂互动探究The patient should be separated from the others.这个病人应该隔离。这个病人应该隔离。The f
17、riends separated at the crossroads.朋友们在十字路口分手了。朋友们在十字路口分手了。We are separate from each other.我们彼此是分开的我们彼此是分开的The Great Britain is separated from France by the English Channel.大不列颠和法国被英吉利海峡分隔开来。大不列颠和法国被英吉利海峡分隔开来。课前自主学习课前自主学习课堂互动探究课堂互动探究【单项填空单项填空】We had better _the good apples from the bad ones.Aseparat
18、e BdivideCcelebrate Dtolerate 解解析析句句意意:我我们们最最好好把把好好苹苹果果和和坏坏苹苹果果分分开开。考考查查固固定定搭搭配:配:separate.from.把把和和分开。分开。答案答案A课前自主学习课前自主学习课堂互动探究课堂互动探究3grand adj.巨大的;豪华的巨大的;豪华的,宏伟的;主要的宏伟的;主要的,重大的重大的Does he think hes grand,when hes bullied a sensitive creature,ten times as sensitive as himself?难难道道他他认认为为虐虐待待一一个小生物,一
19、个比他敏感十倍的小生物,就了不起吗?个小生物,一个比他敏感十倍的小生物,就了不起吗?My small contribution was lost in the grand total.我的小小捐献在巨大的总额中少得几乎看不见。我的小小捐献在巨大的总额中少得几乎看不见。Hes a thoroughly grand man and a very dear friend of mine.他是一个十分崇高的人,也是我非常好的朋友。他是一个十分崇高的人,也是我非常好的朋友。She finally learned to drive at the grand age of 70.她终于在她终于在70岁高龄时
20、学会了开车。岁高龄时学会了开车。课前自主学习课前自主学习课堂互动探究课堂互动探究【完成句子完成句子】这这座大楼比我想象得更宏座大楼比我想象得更宏伟伟。_what I imagine.【单项填空单项填空】These_schemes are all very well designed,but we mustnt lose sight of the fact that somebody has to pay for them.AgrandBwideCtall Dyoung答案答案The building is more grand thanA课前自主学习课前自主学习课堂互动探究课堂互动探究课前自主
21、学习课前自主学习课堂互动探究课堂互动探究They bought the house to arm against big price rises.他们买下了房子他们买下了房子,以防大涨价以防大涨价。The new battleship shall be armed with 16inch guns.新战舰将用新战舰将用16英寸口径的大炮武装起来英寸口径的大炮武装起来。The crowd armed themselves with sticks and stones.群众拿起棍子和石块当作武器群众拿起棍子和石块当作武器。Some people are against it.But I am fo
22、r the idea.有些人反对这么做有些人反对这么做,但是我赞成但是我赞成。课前自主学习课前自主学习课堂互动探究课堂互动探究(2)n.手臂;胳膊;手臂;胳膊;(pl)武器武器She took him by the arm and pushed him out of the door.她抓住他的胳膊将他推出门去她抓住他的胳膊将他推出门去。All available forces are under arms.所有兵种都严阵以待所有兵种都严阵以待。课前自主学习课前自主学习课堂互动探究课堂互动探究【完成句子完成句子】全全国人民必国人民必须须武装起来抵抗武装起来抵抗敌敌人。人。The people
23、of the whole country_.【单项填空单项填空】Shes balancing herself on the ground with a single_.Ahead BnoseCarm Dwilling答案答案must arm themselves against the enemyC课前自主学习课前自主学习课堂互动探究课堂互动探究5rough adj.,n.&adv.艰艰难难的的,粗粗糙糙的的,不不适适的的;草草图图,略略图图;粗鲁地,粗略地粗鲁地,粗略地Could you give me a rough idea when youll be back?你能告诉我你大概什么时候
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