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【简答题】
在一个单处理机系统中，存在9个进程，则最多有（）个进程处于就绪队列。
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反馈参考答案：
举一反三
【单选题】The birth planning policy allows my parents to have a second child because of my disability, but to look after me, they chose ________.
A.
not to do
B.
not to have
C.
not to
D.
to not have one
【单选题】—My parents have ever been to Canada. —Really? When ________ there? [ ]
A.
have they been
B.
will they go
C.
had they been
D.
did they go
【单选题】— My parents have been to Hongkong. — Really? When ______ there? [ ]
A.
have they gone
B.
have they been
C.
did they go
D.
will they go
【单选题】The birth planning policy allows my parents to have a second child because of my disability, but to look after me, they chose .
A.
not to do
B.
not to
C.
not to have
D.
to not have one
【简答题】My parents have eggs and milk for breakfast．（对划线部分提问） your parents_________ for breakfast?
【简答题】My parents _____ (plan ) to have a good weekend last Thursday.
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