D．Most Canadians live within a few hundred kilometres of the USA border.

　　二、下面一段文章是课文原文的浓缩，仔细阅读，根据课文内容将其补充完整，并背诵

　　Li Daiyu and Liu Qian were on a trip to Canada.__1__ take the aeroplane all the way，they decided to fly to Vancouver and then take the train from west to east across Canada.

　　On the way to the station，their friend，Danny Lin __2__ their trip.He said they were going to see some great scenery.Vancouver is Canada's warmest part and Canada's most beautiful city，which is __3__ mountains and the Pacific Ocean.Skiing in the Rocky Mountains and sailing in the __4__ make Vancouver one of Canada's most popular cities to live in.It is so wet on the coast that the trees are extremely tall，some __5__ over 90 metres.

　　That afternoon aboard the train，the cousins __6__ in their seats.When crossing the Rocky Mountains，they managed to __7__ some wild animals.Their next stop was Calgary，where cowboys from all over the world come to compete.Many of them __8__ riding wild horses.

　　After two days' travel，they began to realize that Canada is quite __9__，with a population of only __10__ over thirty million，but rich in fresh water because of the Great Lakes.

　　1．______　2．______　3．______　4．______　5．______　6．______　7．______　8．______　9．______　10．______

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