On average,there are 800 tornadoes in the US each year,causing about 80 deaths and over 1,500 injuries.The worst tornado of all time occurred in 1925,affecting three US states:Missouri,Illinois and Indiana.By the time it ended,about 700 people had been killed and more than 2,000 had been injured.
What is a hurricane? Hurricanes are strong tropical(热带的)storms,and they usually occur in the southern Atlantic Ocean,the Caribbean Sea and the Gulf of Mexico.There are violent winds of 120 kilometres per hour or more,which cause huge waves,heavy rain and floods.There are on average six Atlantic hurricanes each year and they usually affect the east coast of the US from Texas to Maine.
【2017届高三英语一轮复习同步课件:Unit 5(人教版选修六)】相关文章:
★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (17)
★ 北京市2014高考英语一轮复习 练习手册(16)必修4 Unit 1 Women of achievement(含解析)新人教版
★ 2014届高考英语一轮复习课时作业(二十五)必修5Module 1《British and American English》(外研版)
★ 2014届高考英语一轮复习课时作业(三十五)选修6Module 5《Cloning》(外研版)
★ 四川省2016届高考英语一轮复习课时作业(33) Module 3 Interpersonal Relationships Friendship 外研版选修6
★ 【北京专用】2014届高考英语一轮复习方案课时作业:必修1 Unit 4 Earthquakes
★ 2017届高三英语一轮复习同步课件:Unit 5 Period 3(人教版选修六)
★ 2014届高考英语一轮复习课时作业(三十)必修5Module 6《Animals in Danger》(外研版)
★ 2017高考四川省广安市英语阅读理解一轮系列训练:14(含解析)
最新
2017-04-24
2017-04-24
2017-04-24
2017-04-24
2017-04-21
2017-04-21