血清结合珠蛋白测定正常参考范围是()
A.0.2~19gHb/L
B.<0.15gHb/L
C.>0.20gHb/L
D.<0.10gHb/L
E.20~30gHb/L
参考答案:A
若等腰三角形的周长为26cm,一边为11cm,则腰长为( )
A.11cm
B.7.5cm
C.11cm或7.5cm
D.以上都不对
--Tom, do you know there _________ a sports meeting next Thursday?
--Sorry, I forgot to tell you.
A.are going be
B.is going to have
C.will have
D.will be