选择题：6反对称相等

题目内容：

6反对称相等 A A.运动方向
B B.相对运动趋势方向
C C.受力方向
D D.以上都不对

参考答案：

Her son did not seem to ____ any importance to wha

Her son did not seem to ____ any importance to what she had said.A.stickB.notice

The old man pays much attention to the (cultivate) of his mind.

______ he is only 8 years old, he knows more about science than his father.A But

21. 在下列银行会计工作中,当采用单式记账法进行核算时,是针对( )(本题2.0分)A. 期末调整事项B. 贷款承诺事项C. 对外结算事项D. 对内结算事项

22.(多选题) 社会医学的研究方法有( )(本题3.0分)A. 文献研究B. 调查研究C. 理论研究D. 试验研究