选择进户点应符合的要求为()。
A.进户处建筑牢固、干燥、不渗水
B.便于维修及保证施工安全
C.接近供电线路
D.尽可能接近负荷中心
参考答案:A, B, C, D
黄体由两种细胞组成()
A.颗粒黄体细胞和卵泡颗粒层
B.颗粒黄体细胞和卵泡膜黄体细胞
C.膜黄体细胞和门细胞
D.颗粒黄体细胞和门细胞
E.膜黄体细胞和卵泡膜细胞
I first met Lisa three years ago when we __________ at a radio station together.[ ]
A. have worked
B. are working
C. were working
D. worked