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系统维护的目的就是为了保证系统正常、可靠地运行，并能使系统不断得到改善和提高，以充分发挥作用。A.
正确
B.
错误
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举一反三
【简答题】听下面一段对话，回答第1至2题。 1. Where did Mary meet the American girl? A. In the library. B. At a bus stop. 7. What were Mary and the American girl talking about? A. How to get to the City Library. B. Borrowing b...
【单选题】The students were ____ over the ____ problem, listening to the teacher with a ____ expression on
A.
24.The students were ____ over the ____ problem, listening to the teacher with a ____ expression on their faces. A．puzzled; puzzling; puzzling
B.
puzzled; puzzling; puzzled
C.
puzzling; puzzling; puzzled
D.
puzzling; puzzled; puzzling
【单选题】The purpose of education _____ be to provide students with a value system－－－－not to prepare them
A.
24．The purpose of education _____ be to provide students with a value system----not to prepare them for a specific job. A．will
B.
should
C.
could
D.
May
【单选题】The terrorists said that anyone caught ______ on them would be killed.A．attackingB．fightingC．knoc
A.
24.The terrorists said that anyone caught ______ on them would be killed. A．attacking
B.
fighting
C.
knocking
D.
Informing
【单选题】女性患者,30岁,月经来潮期间有乳房胀痛,两侧乳房内发现有多个大小不等、质地坚韧的结节状肿块。该病多好发
A.
乳晕内
B.
乳房内上象限
C.
乳房内下象限
D.
乳房外上象限
E.
乳房外下象限
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