马斯洛需求层次理论认为,人的需求由高到低排列,逐层递进式发展。
参考答案:错
You'd better cut your hair short.Our school does not ________ long hair.[ ]
A. approve of students wore
B. approve students to wear
C. approve of students to wear
D. approve of students wearing
了解和研究学生常用的方法有()、()、()、()、()、()、()、()、()等。