【单选题】【消耗次数：1】
单处理机计算机系统中，以下哪项是并行操作的？
①
处理机操作和通道操作是并行的
②
程序与程序
③
主程序与子程序
④
用户程序与操作系统程序
参考答案：
复制
纠错
相关题目
随机题目
【判断题】
阅读课文II.How to Improve Memory, 判断下列句子表述内容的正误:You can watch TV and memorize new words at the same time.
①
正确
②
错误
【多选题】
I shall never forget the days when I first ________________ Beijing.
①
set foot in
②
arrive at
③
arrived at
④
set out
【多选题】
When I got my first sight of the garden, its beauty____________took my breath away.
①
near
②
nearly
③
almost
④
hardly
【多选题】
The doctor is busy_______________ and cant speak to you.
①
at present
②
at all
③
right now
④
at last
【多选题】
I want to mail this letter to the U.S..___________ ?
①
How often do you hear from Mary
②
How many people are there in your family
③
How much is the postage
④
How much will it cost
【多选题】
A: Hey, taxi! Could you take me to the Friendship Hotel?B: _______________ .
①
Sure
②
Certainly
③
Of course
④
Here you are
【多选题】
A: Is he married?B:_________
①
No, he is not married.
②
No, he is still single.
③
No, he doesnt.
④
No, he didnt.
【单选题】
Department stores in London are very large. They are called department stores because they have many_________ departments.
①
delicious
②
different
③
domestic
④
delighted
【单选题】
My father used to be very weak,_________ now he is much stronger.
①
but
②
at
③
and
④
when