world.It is so wet there that the trees are 5.extremely(extreme) tall，some 6.measuring(measure) over 90 metres.That afternoon aboard the train，they settled down in their seats.When they crossed the Rocky Mountains，they managed 7.to catch(catch) sight of some mountain goats and even a grizzly bear and an eagle.Their next stop was Calgary,8.which is famous for the Calgary Stampede.Cowboys from all over the world come 9.to compete(compete)in the Stampede.Many of them have a gift 10.for riding wild horses and can win thousands of dollars in prizes.Then they arrived in Thunder Bay，a city at the top of the Great Lakes，and learned even more about Canada and its natural resources.

1．Some people have the idea that you can cross Canada in less than five days，but they forget the fact that Canada is 5,500 kilometres from coast to coast.

[句式分析]　本句为but连接的并列句，在两个分句中都含有一个that引导的同位语从句。

[自主翻译]　有些人认为在不到5天的时间里就能穿越加拿大。但是他们忘记了这样一个事实：加拿大从东海岸到西海岸共有5 500公里。

2．At school，they had learned that most Canadians live within a few hundred kilometres of the USA border，and that Canada's population is only slightly over thirty million，but now they were amazed to see such an empty country.

[句式分析]　本句为并列句，第一分句had learned后接两个that引导的宾语从句，but为并列句的转折连词。

[自主翻译]　在学校，她们已了解到，大多数加拿大人居住在靠近美国几百公里以内的地方，而加拿大的人口也只有3 000万多一点儿。但是现在看到这么空旷的国家，她们很惊讶。

Ⅰ.阅读理解

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