题目内容
20.听第8段材料,回答第10至12题.10.Where is the Niagara Falls?
A.In North America. B.In Europe. C.In Africa.
11.How many times did the lady visit the Great Lakes?
A.Once. B.Twice. C.Many times.
12.Why are the Great Lakes famous?
A.They have many waterfalls.
B.They are in North America.
C.They are the largest freshwater lakes in North America.
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