晶体管的β值与IC的大小有关,IC越大β值越大,而β值越大越好。()
参考答案:错
I can't believe that the housing prices should be ten times________height of those in________1990s.[ ]
A. a; the
B. the; a
C. the; 不填
D. the; the
下列属于营业外收入的是()。
A.固定资产盘盈
B.营业利润
C.劳务作业收入
D.技术转让利润