The world-famous ( ) is located on the Niagara River at the border between Canada and the United States. It is known as one of the seven wonders in the world. Its magnificent momentum and abundant and vast water vapor have shocked all visitors who come to watch it.
举一反三
- In world economy， the G7 refers to those seven countries with the world's largest developed economies — France， Germany， Italy， Japan， the United States， the United Kingdom， and Canada， — all of which are trade powers of the world.。（ ）
- ______ is the world"s second-largest country by total area, and its common border with the United States is the world"s longest land border shared by the same two countries. A: Canada B: Mexico C: The Republica of Panama D: Cuba
- Canada's border with the United States is the world's longest land border, sharing land borders with the contiguous United States to the south, and the US state of Alaska to the northwest.
- One of Canada’s greatest attractions， located at the Canada-United States border， is called _____________________。（ ） A: The Niagara Falls B: The CN Tower C: Jasper National Park D: The Air Canada Center
- The Rio Grande River forms part of the boundary between Canada and the United States.