There are 1.42 million lakes in the world, and 62% of them are in
Canada. Along with these many lakes are thousands of rivers. Today, 70%
of North America's large rivers without dams are in Canada. In short,
(A)
Canada is covered by a lot of water. If you think about how much water
there is in Canada, it is not surprising that a small boat, called a canoe,
a big role ( 1 ) the history and development of the
has played a big role
country.
19~
1980
role
small boat with an open top that can move quickly and
(B)-