已知梁的弯矩图（图5-6-5），其相应的剪力图为：（）
A.A
B.B
C.C
D.D
参考答案：C
Do let your mother know the truth. She seems to _______ everything.
A．have told
B．be told
C．have been told
D．being told
关于损伤的炎症期约( )。
A．1～2天B．3～5天C．6～7天D．10天左右E．14天左右
