新月体内的成分可能性最小的是
A．肾球囊壁层上皮细胞
B．肾毛细血管内皮细胞
C．单核细胞
D．纤维素
参考答案：B
__________the doctors in their hospital is about one thousand, and sixty percent of them___________ women.
A．A number of; is
B．The number of; are
C．The number of; is
D．A number of; are
