电起爆法中,混合联网路主要有()。
A.并联和串联
B.并串联和并联
C.并串联和串联
D.并串联和并串并
参考答案:D
髓系细胞表面标志()
A.CD34+
B.CD33+
C.CD19+
D.CD8+
E.CD4+
It is what you do rather than what you say _______ matters.
A.that
B.what
C.which
D.this