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【单选题】
操作系统的—个重要功能是存储管理。以下有关存储管理的叙述，_______是错误的。A.
存储管理的目标是给每—个应用程序分配所需的内存，又不占用其他应用程序的内存
B.
存储管理管理的是硬盘和其他大容量存储设备中的文件
C.
当系统的内存不够用时，可以借助硬盘的剩余空间实现虚拟内存
D.
采取—些措施来阻止应用程序访问不属于自己的内存空间
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【单选题】听力原文：W：I hear that you work part—time at a supermarket．What do you do there? M：I work in the produce section．I also stock shelves．Sometimes when it really gets busy，I help at the check out counter． Q：...
A.
He works at the meat counter.
B.
He delivers groceries to customers.
C.
He serves as a cashier.
D.
He stocks shelves.
【单选题】The reason was _____ I was busy with my work at that time.
A.
why
B.
because of
C.
that
D.
what
【单选题】I could have offered you some help last weekend, but I ______ with my work at that time.A．would
A.
40. I could have offered you some help last weekend, but I ______ with my work at that time. A．would be occupied
B.
was occupying
C.
had been occupied
D.
was occupied
【简答题】I first met Lisa three months ago .She _______(work)
at a store factory at that time.
【单选题】The tone of the author to Leonardo da Vince is______.
A.
critical
B.
neutral
C.
curious
D.
praising
相关题目：
【单选题】The reason was _____ I was busy with my work at that time.
A.
why
B.
because of
C.
that
D.
what