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问题 单项选择题

下列《先妣事略》刻画母亲形象的语句中，属于侧面描写的是（　　）

A．孺人不忧米盐，乃劳苦若不谋夕

B．室靡弃物，家无闲人

C．手中纫缀不辍

D．遇童奴有恩

答案

参考答案：B

判断题

1kW=1.375马力而1马力=0.375kW。
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单项选择题

User programs interact with the kernel through a set of standard (71) . They request services to be provided by the kernel. Such services would include accessing a file: open close, read, write, link, or execute a file; starting or (72) accounting records; changing ownership of a file or (73) ; changing to a new directory; creating, (74) , or killing a process; enabling access to hardware devices; and setting limits on system resources. Unix is a multi -user, multi -tasking operating system. You can have many users logged into a system simultaneously, each running many programs. It’s the kernel’s job to keep each process and user separate and to regulate access to (75) , including cpu, memory, disk and other L/O devices.

A．deferring

B．suspending

C．hanging

D．holding
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