Wiskott-Aldrich综合征的突变基因是（）
A.CYBB
B.Btk
C.γc
D.WAbP
E.CIM
参考答案：D
复层鳞状上皮细胞主要被覆于
A．鼻腔
B．气管
C．肠
D．胃
E．全身皮肤
Mr. Green speaks very loudly all the people can hear him clearly.
A. so that B. when C. because
