醋酸AS-D萘酚酯酶染色呈阳性,且受氟化钠抑制的细胞是 ()
A.幼红细胞
B.淋巴细胞
C.单核细胞
D.早幼粒细胞
E.中幼粒细胞
参考答案:C
— It's very important to save water.
— I agree with you. I hope _____ can realize that. [ ]
A. somebody
B. nobody
C. everybody
D. anybody
机组甩负荷以后,转速或指令信号按规定形式变化,电调的接力器不动时间应不大于()。
A、0.1s
B、0.2s
C、0.3s
D、0.4s