(共37张PPT)
Welcome to our class
Show you a video about nature.
What’s your feeling after watching the video
Clear lakes
Blue sea
Green hills
Splendid waterfall
Colorful leaves
Mr.Nature
emotional
（情绪化的）
？
Natural Disasters
Beautiful Natural Scenery
fire
Look at the pictures below and name these disasters if you know.
flood
drought
typhoon
volcano eruption
snowslide
tornado
sandstorm
earthquake
Unit4
Earthquakes
After watching the video, can you describe the earthquake with some words
sudden (突然其来的)
horrible（恐怖的）
destructive (毁灭性的)
Do you know why an earthquake happens
Pacific plate
American plate
Eurasian plate
India plate
African plate
Antarctic plate
An earthquake happens when two moving plates jump and push against each other.
Pacific plate
American plate
San Francisco earthquake
1906
Some Earthquakes in China
Name
Province
Time
Richter Scale
里氏震级
Yushu
Tangshan
Wenchuan
April 14th 2010
7.1
2,600
July 28th 1976
7.8
242,000
May 12th 2008
8.0
69,000
Hebei
Sichuan
Qinghai
Death Toll
死亡人数
Tall buildings were destroyed.
destroy (vt) 破坏
Describe what damage these earthquakes once caused
Many people were injured.
injure (vt) 使受伤
The water pipes burst.
burst (vi) 爆裂
A great number of people became homeless.
a (great) number of 大量
The city was in ruins. in ruins 严重受损
Pre-reading :
Signs before an earthquake
The well has deep cracks in it, and the water in it rises and falls.
well
Chickens are flying and dogs are barking, and pigs and cows are too nervous to eat.
chicken
dog
pig
Fish jump out of the pond, and mice run wildly to look for places to hide.
fish
mice
Bright lights flash in the sky.
sky
震前动物有预兆，群测群防很重要。 牛羊骡马不进圈，猪不吃食狗乱咬。 鸭不下水岸上闹，鸡乱上树高声叫。 冰天雪地蛇出洞，大猫携着小猫跑。 兔子竖耳蹦又撞，鱼跃水面惶惶跳。 蜜峰群迁闹轰轰，鸽子惊飞不回巢。 家家户户都观察，综合异常作预报。
下面这首民谣是群众在长期预测
地震中的总结，细读一下，对观察地
震是有极大好处的。
earthquake well
pipe
burst
million
event
nation
n. 地震
n. 井
n. 管；导管
vi. 爆裂；爆发
n. 突然破裂；爆发
n. 百万
n. 事件；大事
n. 民族；国家；国民
Words preview
canal
steam
dirt
ruin
suffering
extreme
injure
n. 运河; 水道
n. 蒸汽；水汽
n. 污垢；泥土
n. 废墟；毁灭
vt. 毁灭；使破产
n. 苦难；痛苦
adj. 极度的
vt. 损害；伤害
Words preview
destroy
brick
dam
track
useless
shock
rescue
vt. 破坏；毁坏；消灭
n. 砖；砖块
n. 水坝；堰堤
n. 轨道；足迹；痕迹
adj. 无用的；无效的
vt. & vi. (使)震惊；震动
n. 休克；打击；震惊
n. & vt. 援救；营救
Words preview
trap
electricity
disaster
bury
mine
miner
shelter
vt. 使陷入困境
n. 陷阱；困境
n. 电；电流；电学
n. 灾难；灾祸
vt. 埋葬；掩埋；隐藏
n. 矿；矿山；矿井
n. 矿工
n. 掩蔽；掩蔽处；避身处
Words preview
right away
as if
at an end
in ruins
dig out
A (great) number of
立刻；马上
仿佛；好象
结束；终结
严重受损；破败不堪
掘出
许多；大量的
Expressions preview
Thank you for your attention!
