-What is the rabbit doing?
-It's _______.[ ]
A. running
B. climbing
C. swimming
答案:A
某型号的微机原售价每台7 200元,经连续两次降价后,现售价为每台3 528元,则平均每次降价的百分率为______%.
骨盆底组织有()
A.1层
B.2层
C.3层
D.4层
E.5层