脂肪变性时,脂滴在HE染色下表现为:
A.胞浆内大小不等的圆形空泡
B.胞浆内红染的圆形小滴
C.细胞核内小空泡
D.仅见细胞肿大
E.胞浆内无数红染韵细小颗粒
参考答案:A
_________ the Hope Project, many homeless children can go to school.
A.Thanks for
B.Thanks to
C.Thanks as
D.Thanks in
200MW、15.75kV的发电机,其逆功率保护。
经汽轮机允许的逆功率时间( ),动作于解列。
A.1.0s; B.1.5s;C.50~80s; D.60~180s动作于解列灭磁。