“只有反复多次的、持续较久的牵张才能产生较多的塑性展长”属于_爱下问搜题

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问题单项选择题 B型题

“只有反复多次的、持续较久的牵张才能产生较多的塑性展长”属于（）

A.顺序原则

B.安全的原则

C.功能活动的原则

D.综合治疗的原则

E.逐步、反复的原则

答案

参考答案：E

填空题

方程x²-3x+2=0的根是______．

改错题

短文改错。

I still remember my middle school life in Tianjin yet. I was then
in a school for students from Tibet. As we were all left home
at early age, we met lots of problems in our daily life. We
had to do the washing , cleaning and shopping by us. However,
we seldom felt lonely or helplessly. We enjoyed our happy life.
At weekends, we would play basketball, swimming in the pool
or go for a picnic. We were living in a big family. We treat
each other as brothers and sisters. If any one in us had any
difficulty in our life and study, the other would help him out.
It has been five years when we graduated, but those memories
are as sweet as ever before.

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