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【多选题】
●在操作系统的进程管理中，若系统中有8个进程要使用互斥资源R，但最多只允许2个进程进入互斥段（临界区），则信号量S的变化范围是(25)；若信号量S的当前值为4，则表示系统中有(26)个进程正在等待该资源。 (25)A.
-2～0
B.
-2～1
C.
-6～2
D.
-8～1 (26)A．1 B．2 C．3 D．4
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【单选题】The name 'squirrel' is commonly used for those forms of the family Sciuridae that live in trees, ______ it is equally accurate for ground dwelling types.
A.
whether
B.
that
C.
although
D.
in spite of
【简答题】用自己写的演讲稿进行演讲练习,并录制自己演讲的视频(有困难可录制音频)。 视频上传附件。
【单选题】48
A.
But life Oil the Caribbean IslandsiS not always painful.
B.
The earliest name used by Europeans is theIndies,later changed to the West Indies.
C.
Others are low-lying coral islands thatgradually rose from the ocean.
D.
They areCuba,Puerto Rico,Jamaica,and Hispaniola.
E.
Many tourists arrive on cruise ships.
F.
There are countless small islands to burytre-asure or hide on
【单选题】______is not the tool name for quality controlling used in the figure below．
A.
Cause and Effect Diagrams
B.
Ishikawa Diagrams
C.
Fishbone Diagrams
D.
Scatter Diagram
【简答题】请同学们认真观看学习通上第二章最后一个视频《班主任就职演说》,依据视频中的内容撰写一篇就职演讲稿,并将其录音制作成音频(5-8分钟)上传至学习通。作业提交的内容:就职演讲稿与音频
【单选题】Arthur Momand used the name 'Jones' in his series of short stories because 'Jones' is ______.
A.
an important name
B.
a popular name in the United States
C.
his neighbor's name
D.
not a good name
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