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【单选题】
关于系统维护工作,以下哪项叙述不正确A.
用户的维护请求应有书面申请
B.
系统维护无须严格的步骤
C.
要防止未经允许的擅自修改
D.
系统维护工作应以规范形式记录存档
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】It was quite a surprise to many that he should have been awarded the literary prize for the science fiction about an invasion of ________.
A.
creatures
B.
dupes
C.
chariots
D.
aliens
【简答题】It was really a pleasant surprise to ________ her marriage.
【单选题】It was a surprise to learn that the terms and conditions previously agreed upon had been ______ by your organization.
A.
turned down
B.
turned out
C.
turned on
D.
turned over
【单选题】My dad was_ ▲when he saw me__ ▲_ it when it was supposed to be a surprise.
A.
shocking; putting on .
B.
shocking; wearing
C.
shocked; wearing
D.
shocked ; putting on
【单选题】It was a huge surprise to Prof. Hoffmann that they would give the Nobel Prize for literature to somebody who is essentially ____________.
A.
a musician
B.
a scientist
C.
a doctor
D.
a teacher
【简答题】角度的尺寸数字( )写成( )方向,尺寸线应画成( ) 。
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