体内CO2分压最高的部位是
A．组织液
B．细胞内液
C．毛细血管血液
D．动脉血液
参考答案：B
I first met Lisa three years ago.She was working at a school at that time; she impressed me
________her sincerity.[ ]
A. with
B. to
C. about
D. in
在眼内不常引起或很少引起反应的眼内异物是（）
A.纯铜异物
B.铁异物
C.金银异物
D.铅锌异物
E.10％～90％铜含量的异物
ars ago.She was working at a school at that time; she impressed me