题目内容
The curriculum of basic education is intended to make students well- round in ___________________, _____________________,____________________and ______________________________developments.
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Undergraduates in institues of higher learning take basic courses and _____________________. In adddition, a wide range of extracurricula activities and associations help them practise____________________,____________________,and _______________________, preparing them for society.
__________________________is highly valued as it helps to relieve teh the critical shortage of qualified technicians and skilled workers.
平面内三个共点力的大小分别为3N,6N,9N,它们的合力的最大值和最小值分别为( )
如果两个力的大小相等,则它们在同一坐标轴上的投影相等。
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