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外研2003课标版《Listening and vocabulary》PPT课件优质课下载
The Three Gorges Dam
What is the longest man-made structure in the world?
Which airport is the biggest civil engineering project?
Which dam is the largest hydro-electric dam in the world?
the longest
the biggest
the largest
It is designed to ___________ 80 million passengers a year.
Its _______ is more than 500km ______.
man-made
structure
6,300
long
dates from
Dynasty
terminal
covered
took
cost
accommodate
hydro-electric
wide across
reservoir
long
It is the longest ________ _________ ever built.