Canada comprises ______ provinces and three territories.
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Which of the following is NOT among the reasons that India is creating a secondary sanctuary for the Asiatic lions
A. Too many of them in the present sanctuary.
B. Possible outbreak of disease.
Clashing with people.
D. Food shortag
工作最早完成时间（）该工作最早开始时间加上其持续时间之和。
A. 大于
B. 小于
C. 等于
D. 以上都不同
The old people believe that ______.
A. the old values they have kept to should also change with the advancing society
B. they know more because they have experienced much more of life
C. young people are good successors to their ideals
D. young people should not continue to live the way they did
Strange things happen to time when you travel because（）
A. no day really has twenty-four hours
B. the earth is divided into time zones
C. time zones are not all the same size
D. no one knows where time zones begin
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