【正文】
e CN Tower for short. Nearer to the Atlantic coast is Niagara Falls. Smaller in size, but equally famous, is the city of Vancouver in the province of British Columbia on the Pacific coast. Explain the difficult sentences 3. Rising 553 meters into the sky, it is the tallest tower in the world. 4. The waterfalls,the largest of which is shaped like semicircle, are 670 meters wide, and fall 56 meters in an awesome white sheet of water. Canada has vast areas of wildness, from the Arctic north, where average winter temperatures are usually minus 20 degrees centigrade, to the 8,892kilometrelong border with the USA in the south, which is said to be the longest border in the world not defended by an army or the police.