A:人是万物的尺度
B:认识你自己
C:吾爱吾师
D:“知识即美德”
改错
I prefer playing football to play basketball.
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Don't litters.
“是挫折使骨头坚如燧石;是挫折使软骨变成肌肉;是挫折使人战无不胜。”道理是( )