what are the reasons that make the later underachieved? the limited natural intelligence, or the refusal of working hard? is there any method to solve these problems? studies have shown that poor academic performances derive from poor learning ability.
这些学生学习成绩差的原因是什么?是天生智力水平有限还是他们主观上不肯努力所致?有没有矫治的办法呢?研究发现中小学生学习成绩差源于学习能力差。
After 5 weeks, the rats were weighed and blood was drawn, and then the rats were anesthetized, the muscular maximal isometric contraction and working time were detected to assess the exercise ability.
第5周结束后,称重取血,再将大鼠麻醉,作肌肉最大等长收缩力及工作时间测定,以评估其运动能力。
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