APSF板固定插在OA子架的（）槽位。
A.6
B.7
C.8
D.9
参考答案：D
饲料酵母在猪的日粮中一般不超过10%。
--Do you know the cost of buying a house in Shanghai is much higher than __ in Tibet?
---Of course, I know. It’s impossible for me to buy_____ there.
A．that; it
B．one; that
C．that; one
D．it; one
