FAV受()的控制
A.TCT;
B.PT;
C.PR
参考答案:A
----He is a brave man.
----We can’t admire his courage .
A.actually; very much
B.indeed; too a lot
C.really; too much
D.truly; a bit
A.两个小孩的重力一定相等
B.两个小孩到支点的距离一定相等
C.两个小孩的质量一定相等
D.小孩的重力和他们各自到支点的距离的乘积一定相等