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《Listening and vocabulary》公开课PPT课件优质课下载
thunderstorm
tornado
hurricane
Get the main idea:
Part 1:
Part 2:
Part 3:
What is a tornado?
What is a hurricane?
An extraordinary event
A tornado
A hurricane
An extraordinary event
Read the three passages quickly
and fill in the blanks.
A tornado
1. A tornado is _____________________
from a thunderstorm to the ground.
The most violent have winds of more
than _____________ per hour.
2. They occur in the area from ____________________ to
________________________.
a rotating column of air
400 kilometres
Texas in the southeast