规定一个国家教育发展性质、总方向、总目标的是（）
参考答案：教育方针
正常情况下，男同学体细胞中染色体的组成是
A．22对+XY
B．22对+XX
C．22 条+X
D．22条+Y
Those who continuously acquire new knowledge that they can ________ their work are more likely . [ ]
A. contribute to
B. correspond to
C. submit to
D. apply to
