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【单选题】
一个进程在获得资源后,只能在使用由自己释放,这属于死锁必要条件的()A.
互斥条件
B.
请求和释放条件
C.
不可剥夺条件
D.
环路等待条件
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举一反三
【多选题】Three roles of writing mentioned in the lecture of “An Introduction to Essay Writing” are ________.
A.
writing as a skill
B.
writing as a process of discovery
C.
writing as a way to communicate with others
D.
writing as a daily interest
【单选题】Writing to learn makes it possible to show learning in writing. Much of the writing you will do in college and at work will ask you to demonstrate what you have learned. The success of that demonstrat...
A.
he is one of the world' s great revisers
B.
he is not a good writer
C.
revising is very important
D.
many writers are unwilling to revise their works
【简答题】Writing
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