时间:2018-12-27 作者:英语课 分类:Step by Step2000


英语课

Unit 12 News (III)


A. tapescript:


1. An avalanche 1 is a large amout of ice, snow, earth, rock or other materials sliding down the side of a mountain or falling down a cliff.


2. A mudslide is a slow-mving mudflow that moves down a gradual slope.


3. An earthquake is the sudden release of strain energy in the earth’s crust resulting in waves of shaking that radiate outwards 2 from the earthquake source.


4. A cyclone 3 is a storm or ystem of winds that rotates around a center of low atmospheric 4 pressure, advances at a speed of about 30 to 50 kilometers an hour, and often brings heavy rain.


5. Hurricanes are tropical cyclones 5 with winds that exceed 64 knots or 74 miles per hour and circulate about their centers in the western atlantic ocean.


6. A tornado 6 is a violent destructive whirling wind usually accompanied with severe thunder, lightening, and torrents 7 of rain, and commonly of short duration and small breadth.


7. A typhoon is a type of violent tropical storm with strong circular winds that exceed 74 mph. It happens especially in the pacific ocean.


8. A drought is a period of dryness especially when prolonged that causes extensive damage to crops or prevents their successful growth.


9. A flood is a rising and overflowing 8 of a body of water especially onto normally dry land.


10. A forest fire is a wild fire or an uncontrolled fire that is burning in frest, grass or other areas of vegetation.



1 avalanche
n.雪崩,大量涌来
  • They were killed by an avalanche in the Swiss Alps.他们在瑞士阿尔卑斯山的一次雪崩中罹难。
  • Higher still the snow was ready to avalanche.在更高处积雪随时都会崩塌。
2 outwards
adj.外面的,公开的,向外的;adv.向外;n.外形
  • Does this door open inwards or outwards?这门朝里开还是朝外开?
  • In lapping up a fur,they always put the inner side outwards.卷毛皮时,他们总是让内层朝外。
3 cyclone
n.旋风,龙卷风
  • An exceptionally violent cyclone hit the town last night.昨晚异常猛烈的旋风吹袭了那个小镇。
  • The cyclone brought misery to thousands of people.旋风给成千上万的人带来苦难。
4 atmospheric
adj.大气的,空气的;大气层的;大气所引起的
  • Sea surface temperatures and atmospheric circulation are strongly coupled.海洋表面温度与大气环流是密切相关的。
  • Clouds return radiant energy to the surface primarily via the atmospheric window.云主要通过大气窗区向地表辐射能量。
5 cyclones
n.气旋( cyclone的名词复数 );旋风;飓风;暴风
  • The pricipal objective in designing cyclones is to create a vortex. 设计旋风除尘器的主要目的在于造成涡旋运动。 来自辞典例句
  • Middle-latitude cyclones originate at the popar front. 中纬度地区的气旋发源于极锋。 来自辞典例句
6 tornado
n.飓风,龙卷风
  • A tornado whirled into the town last week.龙卷风上周袭击了这座城市。
  • The approaching tornado struck awe in our hearts.正在逼近的龙卷风使我们惊恐万分。
7 torrents
n.倾注;奔流( torrent的名词复数 );急流;爆发;连续不断
  • The torrents scoured out a channel down the hill side. 急流沿着山腰冲刷出一条水沟。 来自《现代汉英综合大词典》
  • Sudden rainstorms would bring the mountain torrents rushing down. 突然的暴雨会使山洪暴发。 来自《现代汉英综合大词典》