高中英语必修三module3课件课件.ppt

* * * INTRODUCTION Have you ever experienced a flood? a hurricane? a tornado? a lightning? a thunderstorm?... flood hurricane lightning thunderstorm sandstorm tornado earthquake typhoon tidal wave / tsunami volcanic eruption 洪水 飓风 闪电 雷暴 沙尘暴 龙卷风 地震 台风 海啸 火山喷发 Natural Disasters tornado A rotating column of air from a thunderstorm to the ground. 龙卷风：一种纵向的气旋，伴随有倒漏斗形的积雨云，涡流直径达几百码，以每小时八百公里）的速度移动，具有极大的毁坏性 What is a tornado? typhoon 台风：A tropical cyclone occurring in the western Pacific or Indian oceans.发生在西太平洋或印度洋的热带暴风 A violent storm with extremely strong winds and heavy rain. 飓风：一种猛烈的热带风暴，形成于大西洋或加勒比海赤道地区，从形成地向北、西北或东北移动，常携有大量雨水 hurricane tidal wave / tsunami An earthquake originating under the sea floor. 海震/海啸：发自海底的地震 lightning 闪电：the bright flashes of light that you see in the sky during a storm. 天空中云层放电时所产生的闪光。 thunderstorm 雷暴： a violent storm of thunder and lightning, often accompanied by rain and sometimes hail. 短暂且有时很猛烈的雷和闪电的风暴，通常伴有雨且有时下冰雹 flood ：a large amount of water that covers an area which was dry before.正常情况下干燥为陆地地区的水泛滥 Match the words with their definition flood hurricane lightning thunderstorm tornado 1. a lot of water in an area which is usually dry _______ 2. a very strong wind or storm __________ 3. a lot of rain falling quickly, with loud noise and flashes of light _____________ 4. the flashes of light which happens during a thunderstorm _______ 5. a column of air that turns very quickly ___________ flood hurricane thunderstorm lightning tornado Read about the Gulf Stream and check the meaning of the words 1. What is a current ? (a) A kind of electricity (b) A movement of water (c) A kind of wind 2. What kind of things flow ? (a) Water (b) Time (c) Money 3. If two places are on the same latitude ,they are on the