若在输入格式控制字符串中包含普通字符，则输入时必须照原样输入普通字符，否则将导致输入错误。
查看答案
山形斜纹的特点是以峰顶（或谷底）为轴心，两侧（）。
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.
微信支付 
支付宝支付