As a policeman, It's exciting _______ kind of dangerous.[ ]
A. and
B. but
C. or
D. so
答案:B
下列疾病骨髓活检可出现幼稚前体细胞异常定位(ALIP)的是()
A.AML
B.MDS
C.MPD
D.PNH
E.MM
机组间接获悉爆炸物,搜查时应按照从后往前,从上至下的顺序进行。()