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【单选题】
在决定开发管理信息系统应用项目之前．首先要做好系统开发的（）A.
详细调查工作
B.
可行性分析
C.
逻辑设计
D.
物理设计
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】听力原文：W: I ran into our friend Jim last Friday on the street and he said he hadn't heard from you for three months. M: Yes.I see.But I've been too busy to phone him. Q: What do we learn from the conver...
A.
The woman met Jim by chance last Friday.
B.
The man contacted Jim on business three months ago.
C.
The man received a phone call from Jim last Friday.
D.
The woman injured Jim in a traffic accident last Friday.
【单选题】Last Friday night my friend invited me some videos. [ ]
A.
watching
B.
to watch
C.
watch
D.
watched
【简答题】求下列不定积分： (1) ；(2) (3) ；(4) (5) ；(6)
【单选题】Is this factory _______ some foreign friend visited last Friday?
A.
that
B.
where
C.
which
D.
the one
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