正常人的膀胱容量约为
A.300ml以下
B.400ml左右
C.500ml左右
D.600mL左右
E.700mL左右
参考答案：B
一个角的余角和补角也互为补角，这个角是（ ）度．
A．30°
B．75°
C．45°
D．15°
–Did you enjoy ___________ at the party last night, Lingling?
--Yes, I really enjoyed the food and the music there. Thank you.
A．myself
B．himself
C．yourself
D．herself
