问题描述：
canada is located in north america and borders the usa.its capital city is ottawa.lt consists
of 10 provinces and 3 districts .vancouver and toronto are its major cities .用合适的方法合并为一个句子
of 10 provinces and 3 districts .vancouver and toronto are its major cities .用合适的方法合并为一个句子
问题解答：
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