山形斜纹的特点是以峰顶（或谷底）为轴心，两侧（）。
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What cities do his family members live in?
A. Vancouver
B. Victoria
C. Toronto
D. Montreal
What does he say about his father?
A. He's from England.
B. He has lots of good stories.
C. He is currently a pilot.
D. He is healthy now.
What does he say about his mother?
A. She was a stewardess.
B. She met his father at work.
C. His sister wants to a stewardess.
D. His sister is a stewardess.
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