氧分压最高
A．静脉B．组织细胞C．肺泡气D．砰出气
参考答案：D
----There is no more than one washing machine of that kind left in the shop. What about going and buying ____?
----No, I prefer to find _____ in other supermarkets.
A．it; it
B．one; it
C．it; one
D．one; one
