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【简答题】
简述直升机与普通飞机的区别与联系。
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【简答题】阅读理解。 Mr Green is an Englishman. He teaches English well His English classes are very interesting. He likes us and we like him, too. Mr Green has two children, Mike and Nancy. Mike is eight and his si...
【简答题】DMA技术的出现使得（）可以通过（）直接访问（），与此同时，CPU可以继续执行程序。
【单选题】Green-space facilities are contributing to an important extent to the quality of the urban environment. Fortunately it is no longer necessary that every lecture or every book about this subject has to...
A.
is still unknown
B.
is usually neglected
C.
is being closely studied
D.
has been full recognized
【单选题】Green-space facilities are contributing to an important extent to the quality of the urban environment. Fortunately it is no longer necessary that every lecture or every book about this subject has to...
A.
is still unknown
B.
is usually neglected
C.
is being closely studied
D.
has been fully recognized
【简答题】DMA 技术的出现,使得 ______ 可以通过 ______ 直接访问 ______
【简答题】DMA技术出现,使得( )可以通过( )直接访问 ( ),同时CPU可以继续执行程序。
【简答题】DMA 技术的出现,使得外围设备可以通过 DMA 【 】直接访问内存,与此同时, CPU 可以继续程序。
【简答题】Mr Green is an Englishman. He teaches English well His English classes are very interesting. He likes us and we like him, too. Mr Green has two children----Mike and Nancy. Mike is eight and his sister...
【简答题】Green-space facilities are contributing to an important extent to the quality of the environment. Fortunately it is no longer necessary that every lecture or every book about this subject has to...
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