成骨细胞瘤的X线表现中哪项欠妥（）. A.肿瘤大小为2～10cm不等 B.多位类圆形

日本血吸虫病的病原学诊断方法有哪些?

甲国公民在乙国将丙国公民杀死后逃入丁国，现甲、乙、丙三国均向丁国要求将其引渡。下列表述中正确的是下列哪一项( )

A．丁国应将其引渡给甲国

B．丁国应将其引渡给乙国

C．丁国应将其引渡给丙国

D．由丁国自己决定将其引渡给哪个国家

沸腾钢比镇静钢的表面质量好，内部质量差。

请论述开展中国社会学史研究的意义。

(100) whether to go with a shared or switched fast LAN technology once you start to max out your shared Ethernet of token-ring LAN is tough call. Users and analysts involved in (101) high-speed LANs have learned the benefits of each. However, there are trade-offs to each, and (102) which fast LAN technology to choose is critical for (103) network performance problems and (104) costly purchasing mistakes.

A．avoiding

B．clipping

C．choosing

D．deciding

E．dissolving

F．ensuring

G．evolving

H．implementing

I．Knowing

J．solving