为区别小原粒细胞性粒细胞白血病与急性淋巴细胞性白血病,首选()
A.POX染色
B.PAS染色
C.NAP染色
D.AS-DNCE染色
E.铁染色
参考答案:A
下图所示的基本实验操作正确的是 [ ]
A.
B.
C.
D.
一I heard that you got an A in the chemistry exam.Well done!
一Thanks,I know that you a good job as well.
A.shouId have done
B.need have done
C.must have done
D.could have done