成人外周血网织红细胞的参考范围(手工法)是()
A.<0.005
B.<0.05
C.0.005~0.05
D.0.008~0.02
E.0.02~0.05
参考答案:D
x=5b-2b,b和x成______比例.
— What are they doing?
— ___________________[ ]
A. They are singing.
B. This is Jenny's family.
C. She is standing.