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【单选题】
操作系统主要有五种功能:进程管理、存储管理、文件管理、设备管理和_____ 。A.
A作业管理
B.
B数据管理
C.
C目录管理
D.
D资源管理
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举一反三
【单选题】IV. 词汇与语法: (共20小题;每小题1分,满分20分) __________ time does it take you to go to school?
A.
How many
B.
How much
C.
How long
D.
How soon
【单选题】IV. 词汇与语法 : ( 共 20 小题;每小题 1 分,满分 20 分 ) 26. Have you ever heard _________ the Summer Palace in Beijing?
A.
from
B.
of
C.
/
D.
that
【单选题】IV. 词汇与语法: (共20小题;每小题1分,满分20分) 、Have you ever heard _________ the Summer Palace in Beijing?
A.
from
B.
of
C.
/
D.
that
【单选题】—What were you up to when she dropped in? —I _____ for a while and _____ some reading. [ ]
A.
had played; was going to do
B.
played; did
C.
was playing; was going to do
D.
had played; did
【单选题】IV . 词汇与语法 : ( 共 20 小题;每小题 1 分,满分 20 分 ) 26. __________ time does it take you to go to school?
A.
How many
B.
How much How long
C.
How long
D.
How soon
【简答题】IV. 词汇与语法: (共20小题;每小题1分,满分20分)A. . I read __________ story. It is __________ unusual story. B. a, an B. a, a C. the, the D. /, an
【单选题】IV. 词汇与语法: (共20小题;每小题1分,满分20分)
A.
、I read__________ story. It is __________ unusual story.
B.
a, an
C.
a, a
D.
the, the
E.
/, an
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