1 . 除了其地理环境的多元化，加拿大的许多农村地区和城市中心还体现了其居民的多元化。
__________ __________its geographical diversity, Canada’s many rural areas and urban centers reflect the diversity of it residents.

2 . 从方框里选择合适的短语的适当形式填空

in a rush        spy on          pick out       blame… on          under way       let off     cut back on        apart from       push ahead with     head for

1. It’s our duty to try to______________ production and reduce the number of things we make and buy.
2. Although he hadn't seen her sister for 20 years, he ___her ____as soon as she got off the plane.
3. Each time he faced his failure, he _______ it _______ his father instead of himself.
4. Even though she had to live _________ her parents, she could look after herself very well.
5. I remember sometimes feeling _______ to grow up and be independent.
6. After months of waiting, I’m glad that the project is ______________.
7. After careful consideration, they decided to_____________ the plan.
8. He put on his coat and ________ the door.
9. A large amount of smoke is ___________ into the air every day.
10. The greedy landlord had his long-term worker ____________ the short-term workers all day.