(
课件网) UNIT 7 Natural Disasters Discuss and answer. 小组讨论，回答问题。 A. Strong wind blowing over loose soil or sand. Which of the following can cause natural disasters B. Promoting the use of green energy. C. Rapid urban development and heavy industries. D. Volcanoes and wildfires. blow over 吹散；平息 快速的 野火 Natural Disasters and Human Activities Read and choose. 阅读关于自然灾害的课文，回答问题。 There are more and more discussions on natural disasters in recent years. It is known that sandstorms are caused naturally by strong winds blowing over loose soil or sand. 比较级+and+比较级 越来越... 最近的 众所周知... 关于...的讨论 Natural：adj.自然的; Disasters ：n.灾难( disaster的名词复数 ) Activities：n.活动（ activity的名词复数 ） 自然灾害和人类活动 adv.自然地; v.吹气；刮风、 ( blow的现在分词 ); n.泥土; 土地 n.沙; 沙地 【近年来有关自然灾害的讨论越来越多。 众所周知，沙尘暴是由于强风吹过松散的土壤或沙子而自然形成的。】 Half a century ago, sandstorms happened every seven or eight years; now they come almost once a year. Experts tie the problem to the rapid urban development, and cutting down trees is another reason largely due to human activities. 半个世纪 一年一次 专家 tie...to...：把...与...联系/系在一起 砍倒；减少 动名词做主语 adj.快速的 adj.城市的 adv.大部分地，主要地 由于；因为 【半个世纪前，沙尘暴每七、八年发生一次，现在几乎一年发生一次。 专家们将这一问题与城市的快速发展联系在一起，而砍伐树木是另一个原因，这在很大程度上是人类活动造成。】 Some people do not pay enough attention to smog, and they don’t know it is partly caused by the gases from heavy industry and vehicles. pay attention to (doing)...注意... 气体 重工业 n.烟雾 来源；来自 n.交通工具; 车辆; ( vehicle的名词复数 ) adv.部分地;在某种程度上 【一些人对雾霾没有给予足够的重视，也并不知道造成雾霾的部分原因是重工业和汽车的废气排放。】 These harmful gases also lead to acid rain, though a very small part of acid rain comes from volcanoes or wildfires. When these gases enter the air, they also lead to global warming. lead to do sth. 导致做某事 come from 来自于 adj.酸（性）的; 【这些有害气体也会导致酸雨，尽管一小部分酸雨是由火山喷发或野火燃烧造成的。 当这些有害气体进人空气，也会导致全球变暖。】 即使，尽管， 等于although ，不能与but连用， n.火山 ( volcano的名词复数 ) 气体 n.全球变暖 when引导的时间状语从句，当...的时候，与此同时 Today we are growing too fast to remember the importance of sustainable development for both nature and our human world. Many of the natural disasters are due to the environmental damage caused by human activities. too...to...太...而不能... both...and...两者都... ...的重要性 【如今，我们发展得太快，以至于忘记了可持续发展对自然和人类世界的重要性。 v.生长; 成长; too fast to remember：太快以至于不记得 adj.可持续的; 许多自然灾害是由于人类活动破坏了自然环境而造成的。】 由于；因为 adj.环境的 v.损坏; 伤害 v.导致；原因 It is lucky that humans have realized the importance of sustainable development as well as the en ... ...
