电磁流量计测量时要求测量介质的的电导率最小为（）μS/cm。
参考答案：5
When On May 8th, "Most Beautiful Teacher" Zhang Lili in the city of Jiamusi , Heilongjiang province ,saved her students____ by a bus, but couldn't escape from the tragedy herself.
A．being run over
B．being run across
C．from being run over
D．from being run across
下图为白化病（A-a）和色盲（B-b）两种遗传病的家族系谱图。请回答：
写出Ⅲ10产生的卵细胞可能的基因型为（）
