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问题 单项选择题 A3/A4型题

女性，45岁。反复发作"尿路感染"10年，近2年来夜尿增多，昨日发生尿频、尿急、尿痛症状，尿液检查白细胞10～15/HP，BUN10mmol/L，B超探测右肾稍缩小，左肾明显缩小，中段尿培养得大肠杆菌生长。

治疗后要追踪检查多久？（）

A.4周

B.6周

C.2月

D.6月

E.1年

答案

参考答案：C

选择题

下列各组中的离子，能在溶液中大量共存的是 [ ]

A．H+、Na+、CO32-、Cl-

B．Ba2+、Na+、Cl-、SO42-

C．K+、H+、SO42-、OH-

D．Ag+、Al3+、NO3-、H+

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单项选择题

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．earth

B．bottom

C．table

D．surface
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