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外研2003课标版《Reading and vocabulary》新课标PPT课件优质课下载
landslide
flood
volcano eruption
fire
tornado
What is a tornado?
A tornado is a rotating column of air from a thunderstorm to the ground.
Read the passage on P23 and Answer
the questions.
How strong are tornado winds?
2. What can happen to furniture when
a house is destroyed by a tornado?
More than 400km/h.
It stays where it was.
3. How many tornadoes are there in the US every year?
4. How many people died in the worst tornado of all time ?
About 800.
More than 700.
A tornado is a ______column of air from a ___________ to the ground. The most _______ have winds of more than 400 kilometers per hour. __________, there are 800 tornadoes in the US each year, _______about 80 deaths and 1,500 injuries. The worst tornado of all time ________in 1925, _______three US states. By the time it ended, more than 700 people _____________and 2,700 had been injured.
A tornado is a ______column of air from a ___________ to the ground. The most _______ have winds of more than 400 kilometers per hour. __________, there are 800 tornadoes in the US each year, _______about 80 deaths and 1,500 injuries. The worst tornado of all time ________in 1925, _______three US states. By the time it ended, more than 700 people _____________and 2,700 had been injured.
rotating
thunderstorm
violent
On average
causing