排列图的绘制中,左侧的纵坐标表示频数,右侧纵坐标表示累计频率。要求总频数对应累计频率( )。
A.100%B.90%C.80%D.70%
参考答案:A
His ears are highly ______ to any unusual sound in the machine, that is how he found the fault.
A.sense
B.sensitive
C.sensitively
D.insensitive
四碘甲状腺原氨酸来自()
A.甲状腺
B.肾上腺髓质
C.肾上腺皮质束状带
D.肾上腺皮质网状带
E.肾上腺皮质球状带