外耳道深部发现肉芽或息肉样新生物,应考虑哪些可能()
A.外耳道 * * 状瘤
B.耵聍腺瘤
C.外耳道胆脂瘤
D.中耳癌
E.外耳道外生骨疣
参考答案:B, D
Applications put computers to practical business (67) , but below the (68) it’s the heart of an operating system-the kernel-that provides the technical wizardry to juggle multiple program, connect to networks and store (69) . A traditional kernel provides all the functions for applications. The kernel (70) memory, I/0 devices and parcels out processor time. The kernel also supports security and fault (71) , which is the ability to recover automatically when parts of the system fail.
A.graphics
B.data
C.text
D.image
张无忌第一个在打斗中杀的人是()