经营租赁进口货物的租金一般( )货价。
A.小于
B.大于
C.等于
D.大于等于
参考答案:A
ScFv由()
A.一条完整的L链和一条约1/2的H链所组成
B.VH和VL构成
C.VH和VL连接成单链
D.单独单链可变区具有识别抗原能力
E.两条轻链和两条大于1/2重链
In the early 1960s, the famous Swiss psychologist Piaget established his theory of______ development.