You will find friends you really click with.
A. You will find friends to play computer games together.
B. You will find friends you can play with.
C. You will find friends whom you hit it off with.
She will have my back when I miss.
A. She will support me when I miss.
B. She will help me when I break my back.
C. She will leave me when I turn my back on her.
Sports also help you get along socially.
A. Sports also help you become physically strong.
B. Sports also help you become mentally healthy.
C. Sports also help you become better at interacting with people.
在做退栈运算时，应先判断栈是否（ ）
A. 空
B. 满
C. 上溢
D. 下溢
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