Module3 The Violence of Nature话题了解自然灾害的危害，以实际行动做好与自然灾害作斗争的准备。重点知识by the time 的 用 法 ； pick up ； take off ； put down ； on average；more than 的用法；occur；strike；affect 阅读导学案使用方法：自主阅读 P23 课文，然后尝试完成下面的练习。作完后，自行查阅教材进行答案校对。Ⅰ: 汉译英填空What is a Tornado?A tornado is a rotating column of air from a thunderstorm to the ground. The most violent 1.______________________________(风速达到每小时 400 千米以上 ). Almost all of them occur in the US, in the area from Texas in the southeast to South Dakota in the north.Tornadoes can 2._________ ( 卷 起 )cars , trains and even houses and 3._____________(把他们卷到)in the next street---or even in the next town. They can 4.____________________( 拔 掉 猫 背 上 的 毛 ) and the feathers off a chicken. They can 5.________( 毁 掉 )houses,but 6.____( 留 下 )the furniture inside exactly where it was.7.__________( 平 均 来 说 ), there are 800 tornadoes in the US each year, 8._________( 造 成 )about 80 deaths and 1500 injuries. The worst tornado 9.____________(有史以来)occurred in 1925,10.__________________(影响) three US states: Missouri, Illinois and Indiana 11._______________(到……的时候) it ended, more than 700 people 12.____________ （已经被杀死） and 2700 had been injured.What Is a Hurricane?Hurricanes are strong tropical storms, and they usually occur in the southern Atlantic Ocean, the Caribbean Sea and the Gulf of Mexico. There are violent winds of 120 kilometers per hour or more, 13._______________(引发巨浪 ), heavy rain and floods. There are on average six Atlantic hurricanes each year and they usually affect 14._______________ (美国东海岸)from Texas to Maine .The worst hurricane disaster of all time 1...
