【简答题】【消耗次数：1】
计算机系统的层次结构中，位于硬件之外的所有层次统称为[填空1]
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【简答题】
在计算机系统中，软件是[填空]，而硬件是[填空]。
【简答题】
描述管理信息系统的计算机及其网络硬件组成、联结方式的结构，被称为[填空1]结构。
随机题目
【单选题】
Theorganizationhad ____ hisrequestforresearchfunding.
①
agreed
②
returned
③
objected
④
rejected
【单选题】
Our manager will look into the matter as soon as possible. Just have a little ____ after an operation.
①
wait
②
time
③
patience
④
rest
【单选题】
We solved the problem
by using a computer rather than ____ it all by hand.
①
to do
②
do
③
does
④
having done
【单选题】
____ we could not live at all.
①
If it was not for the sun
②
If it shouldn’t be for the sun
③
Were it not for the sun
④
Had it not been for the sun
【单选题】
Certainly there is no____ evidence that living together increases the chance of sickness.
①
secret
②
scientific
③
serious
④
sensitive
【单选题】
I should like to rent a house, modern, comfortable and ____ in a quiet neighborhood.
①
all in all
②
after all
③
above all
④
over all
【单选题】
The population of Chinais larger than ____ofCanada.?
①
that ?
②
those ?
③
this ?
④
it ?
【单选题】
He told me that he ____ by his uncle in the countryside.
①
will be brought up
②
has been brought up
③
had brought up
④
was brought up
【单选题】
A lot of students ____ the campus since July 1.
①
have left
②
leave
③
left
④
is leaving