Solving all life's problems requires ___.
A. no moaning
B. some discipline
C. total discipline
D. all tools
查看答案
Problems evoke in us the following feelings except_____ .
A. embarrassment
B. regret
C. pain
D. anxiety
The author suggests that problems ____ the growth of the human spirit.
A. stop
B. discourage
C. encourage
D. slow down
利用（）可以指定内容面板的背景颜色
A. setBackground
B. setBackColor
C. setRGB
D. setColor
字体属性属于控制JLable中所显示字体的（）
A. 大小
B. 字形
C. 名字
D. 以上都正确
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