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【多选题】
什么是临界区和临界资源?A.
每次只能有一个进程访问的资源为临界资源
B.
进程共享的资源为临界资源
C.
并发进程中访问临界资源的代码段为临界区
D.
访问资源的代码段为临界区
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举一反三
【简答题】A．Children and TV. B．TV children and their teachers. C．TV children's education. D．TV children's work.
【单选题】Parents complain their children are behaving unreasonably _____children consider their parents to be old-fashioned.
A.
while
B.
when
C.
or
D.
after
【简答题】The Save the Children Fund is known as Save the Children. It is an internationally organization that protects children’s rights and helps support children in developing countries. It was set up in the...
【简答题】A．Children are honest by nature. B．Children should be taught to be honest. C．Children should learn to tell harmless lies when necessary. D．Children may learn from experience to be dishonest.
【单选题】The underlined phrase 'adopted children' in Paragraph 2 means ______.
A.
children born in the family
B.
children who left the family
C.
children taken legally into a family they were not born into
D.
children who are unable to take care of themselves
【单选题】Children are all enjoying themselves on____ [ ]
A.
Children's Day
B.
Child Day
C.
Children Day
D.
Child's Day
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