外研社高中英語(yǔ)必修三PPT教案

1、外研社高中英語(yǔ)必修三外研社高中英語(yǔ)必修三第1頁(yè)/共26頁(yè)tornado第2頁(yè)/共26頁(yè)A rotating column of air from a thunderstorm to the ground.龍卷風(fēng)：一種縱向的氣旋，伴隨有倒漏斗形的積雨云，渦流直徑達(dá)幾百碼，以每小時(shí)八百公里）的速度移動(dòng)，具有極大的毀壞性What is a tornado?第3頁(yè)/共26頁(yè)第4頁(yè)/共26頁(yè)typhoon臺(tái)風(fēng)：臺(tái)風(fēng)：A tropical cyclone occurring in the western Pacific or Indian oceans.發(fā)生在西太平洋或印度洋的熱帶暴風(fēng)第5頁(yè)/共26頁(yè)第6

2、頁(yè)/共26頁(yè)A violent storm with extremely strong winds and heavy rain.颶風(fēng)：一種猛烈的熱帶風(fēng)暴，形成于大西洋或加勒比海赤道地區(qū)，從形成地向北、西北或東北移動(dòng)，常攜有大量雨水hurricane第7頁(yè)/共26頁(yè)the difference among Typhoon, Hurricane and Tornado第8頁(yè)/共26頁(yè)earthquake第9頁(yè)/共26頁(yè)第10頁(yè)/共26頁(yè)tidal wave / tsunamiAn earthquake originating under the sea floor. 海震海震/海嘯：發(fā)自海底的地

3、震海嘯：發(fā)自海底的地震第11頁(yè)/共26頁(yè)第12頁(yè)/共26頁(yè)lightninglightning閃電：the bright flashes of light that you see in the sky during a storm.天空中云層放電時(shí)所產(chǎn)生的閃光。第13頁(yè)/共26頁(yè)thunderstormthunderstorm雷暴： a violent storm of thunder and lightning, often accompanied by rain and sometimes hail. 短暫且有時(shí)很猛烈的雷和閃電的風(fēng)暴，通常伴有雨且有時(shí)下冰雹第14頁(yè)/共26頁(yè)第15頁(yè)/共

4、26頁(yè)flood ：a large amount of water that covers an area which was dry before.正常情況下干燥為陸地地區(qū)的水泛濫第16頁(yè)/共26頁(yè)Volcanic eruption第17頁(yè)/共26頁(yè)floodhurricanelightningthunderstormsandstormtornadoearthquaketyphoontidal wavevolcanic eruption洪水颶風(fēng)閃電雷暴沙塵暴龍卷風(fēng)地震臺(tái)風(fēng)海嘯火山噴發(fā)Disasters of Nature第18頁(yè)/共26頁(yè)experiencevt. 經(jīng)歷 Our countr

5、y has experienced great changes in the past thirty years.n. (生活、工作)經(jīng)驗(yàn)、技巧 (不可數(shù)) 經(jīng)歷，經(jīng)歷過(guò)的事(可數(shù)) Please tell us of your experiences while in Africa. You dont need any experience to work here. experienced adj. 有經(jīng)驗(yàn)的 Mr. Li is quite an experienced teacher.have experience in/atbe experienced in/at第19頁(yè)/共26頁(yè)Me

6、xicoGulf Streamstream 河流河流, 水流水流current 水流，電流，氣流水流，電流，氣流第20頁(yè)/共26頁(yè)longitudelatitude經(jīng)度：地球表面的成角距離，從英國(guó)格林尼治的本初子午線向東或向西至經(jīng)過(guò)某一點(diǎn)的子午線計(jì)量，以度（或小時(shí)）、分和秒表示緯度：地球赤道北或南的角距離，例如在地圖或地球儀上沿著子午線用度數(shù)測(cè)量第21頁(yè)/共26頁(yè)第22頁(yè)/共26頁(yè)Fill in the blanks with proper or phrase.1.Ash and lava _ (傾瀉傾瀉) the mountain, _ (放火燒了放火燒了) hundreds of hous

7、es.2.Hundreds of housed _ (著火了著火了) when the lava reached them.3.We _ (設(shè)法使得設(shè)法使得) get half the population to another island.4.We _. (把火都撲滅了把火都撲滅了)5.When Mr. Smith got the message that his house _ (正被大火燒著正被大火燒著) , he rushed home as quickly as he could.poured downsetting fire tocaught firemanaged toput

8、all the fires outwas on fire第23頁(yè)/共26頁(yè)Stomboli _ in Italy has erupted. The _ occurred on Saturday and thankfully, no one was killed. The eruption blew the top off the volcano and sent _ and steam into the air. _ and rock from the eruption caused a huge _ when it reached the sea. This turned over boats in the port and caused a _ in the village of Ginostra.ash eruption flood lavatidal wave volcanovolcanoeruptionashLavatidal waveflood第24頁(yè)/共26頁(yè)1. What is a volcano?3. What may come out of a volcano when it erupts?2. Can you tell me the three types of vo