阅读下面短文，在空白处填入适当的内容（不多于3个单词）或括号内单词的正确形式。
Canada is a country North America consisting of ten provinces and three territories.
（locate）in the northern part of the continent, it extends from the Atlantic
the Pacific and northward into the Arctic Ocean. Covering 9.98 million square kilometers in total, Canada is the world's second-largest country by total area and the fourth-largest country by land area.
common border with the United States forms the world's longest land border.
Canada is a developed country and one of the (wealthy) in the world, with the tenth highest nominal per capita income
(global), and the eighth highest ranking in the Human Development Index. It ranks among
highest in international measurements of government transparency(透明度), civil liberties, quality of life, economic freedom, and education. Canada is
member of the Commonwealth of Nations,
is furthermore part of several major international and intergovernmental institutions or groupings,
(include) NATO, the G8, the Group of Ten, the G20, the North American Free Trade Agreement and the Asia-Pacific Economic Cooperation forum.
Nowadays, it is popular that more and more high school students open their own micro blogs on the Internet. For one thing, it can provide a colorful platform to show their talent. For , it is a useful way to release their pressure. And all these make it more and more popular with high school students.
many parents and teachers hold a different view. They think that managing one’s micro blog will take a lot of time and energy,
should be used to study.
In my view, I am greatly in favor this activity. Today the Internet is playing
important and essential role in our life.
I really want to see elephant close up. After that, we’ll be moving on to Tanzania,
we’re going to climb Mount Kilimanjaro. The African part of our trip will take about four weeks and we will surely have a happy time.
So, we’ll go white-water rafting, is quite dangerous, but very exciting! After white-water rafting, we’re going on a trip to see wild animals in Kenya.
we’ll be walking for almost two weeks, I’ll need to buy a large, strong, light backpack
advance to carry my supplies of food and water.
We will leave London on 15 July, and we’ll be flying to Morocco. We are going to travel on camels the Sahara Desert.
It seemed that the water led to cholera．John Snow looked into the source of the water for these two streets．He found that it came from the river, had been polluted by the dirty water from London．Immediately John Snow told the astonished people in Broad Street to remove the handle from the water pump so it could not be used．Soon the disease began to slow
．
John Snow had shown that cholera was spread by germs and not in a cloud of gas．___addition, he found two other deaths in another part of London that were concerned with the Broad Street outbreak．A woman, who had moved away from Broad Street, liked the water so much that she had had it delivered from the pump to her house every day．