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【单选题】
操作系统的五大功能分别是：处理器管理、设备管理、文件管理、作业管理以及（）。A.
I/O管理
B.
程序管理
C.
数据管理
D.
存储器管理
拍照语音搜题，微信中搜索"皮皮学"使用
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举一反三
【单选题】I don’t think he understands what he reads, _____?
A.
doesn’t he
B.
do I
C.
don’t I
D.
does he
【单选题】What does a man do when he cannot get exactly what he wants?
A.
He buys a similar thing of the colour he wants.
B.
He usually does not buy anything.
C.
At least two of his requirements must be met before he buys.
D.
So long as the style. is right, he buys the thing.
【单选题】What does a man do when he can't get exactly what he wants?
A.
He often looks round the shop.
B.
He will ask the shop assistant for advice.
C.
He will decide to buy something instead.
D.
He doesn't buy anything else.
【单选题】What does Mark say he can’t do ?
A.
He can’t always remember things.
B.
He can’t remember things when he’s tired.
C.
He can’t do one activity for a long time.
D.
He can’t improve his memory.
【简答题】What does he do at present? He is _____________.
【简答题】在 标记中,用来指定外部脚本文件路径的是 ___________ 属性
【单选题】What ______ he _______? He is a reporter. [ ]
A.
do, do
B.
is, does
C.
is, doing
D.
does, do
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