“主行水”是
A．肺的功能
B．肝的功能
C．肾的功能
D．脾的功能
E．三焦的功能
参考答案：A
She is excited to read a note ___ the present from her grandfather. [ ]
A. attaching with
B. attached to
C. attached with
D. attaching to
Ig分成κ、λ两个型，其依据是（）
A.重链
B.轻链
C.可变区
D.恒定区
E.绞链区
