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问题 单项选择题 A1/A2型题

女孩，3岁。高热，咽痛，纳差3天。查体：咽部充血，眼结膜充血，颈痛，耳后淋巴结肿大，心肺无异常。最可能的病原体是（）

A.副流感病毒

B.腺病毒

C.单纯疱疹病毒

D.柯萨奇病毒

E.流感病毒

答案

参考答案：B

单项选择题

Calculator is (66) for performing arithmetic operations, but that requires human intervention to alter its stored program, if any, and to initiate each operation or sequence of operations. A calculator performs some of the functions of a computer, but usually operates only with frequent human intervention.

Microcomputer’s processing unit consists of one or more microprocessors, and includes storage and input-output (67) . Personal computer primarily intended for (68) use by an individual. (69) computer can be hand-carried for use in more than one location. Minicomputer is functionally intermediate between a microcomputer and a mainframe. And supercomputer has the highest processing speeds available at a given time for (70) scientific and engineering problems.

（69）处填（）。

A．Carried

B．Traveling

C．Portable

D．Walking
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填空题

在吹炼后期，熔池中碳含量降低，脱碳速度（），熔池搅拌（），为了加强搅拌，应（）底吹气体流量。
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