Task 1: The chart below shows the percentage change in the share of international students among university graduates in different Canadian provinces between 2001 and 2006.
Summarise the information by selecting and reporting the main features, and make comparisons where relevant.
Write at least 150 words.
Task 2:Some people think the government should be responsible for solving the pollution problems which result from heavy traffic. To what extent do you agree?
Write at least 250 words.