恶性肿瘤的异型性中最重要的是()。
A.细胞浆呈嗜碱性
B.细胞核的多形性和核分裂增多
C.细胞的多形性
D.结构紊乱
E.胞浆内可见粘液
参考答案:B
单侧视力障碍提示脑脊液鼻漏位于()
A.额窦后壁
B.鼻窦
C.鞍结节、蝶窦、后组筛窦
D.筛板
E.颅中窝
The maximum number of passengers a T-Boat may carry().
A.is stated on the vessel's Certificate of Inspection
B.is the number authorized in the Navigation Rules
C.depends on the number of lifejackets you carry
D.is the number authorized by your license