混合性腺泡中的半月板是()
A.肌上皮细胞
B.浆液细胞
C.黏液细胞
D.导管上皮细胞
E.闰管的上皮细胞
参考答案:B
—Look at the photo. The girl is my little sister.
—She really ______ your mother.
A.looks like
B.likes
C.looks after
D.would like
架空线路的导线最低点到连接导线两个固定点直线的垂直距离称为()。