皮皮学，免费搜题
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【单选题】
下面关于计算机病毒说法正确的是 ______ 。A.
是生产计算机硬件时不注意产生的
B.
是人们无意中制造的
C.
必须清除，计算机才能使用
D.
是人为制造的
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皮皮学刷刷变学霸
举一反三
【单选题】They were surrounded by the enemy, but they________at last from the village. [ ]
A.
managed escaping
B.
tried to escape
C.
managed to escape
D.
tried escaping
【多选题】资本积累所造成的后果有( )
A.
资本主义生产的社会性越突显
B.
资本越加集中于少数人手中
C.
工人越来越贫穷
D.
资本主义制度的必然灭亡和社会主义制度的必然胜利
【简答题】管片接缝防水采取沿管片肋面四周设置一道()的方法进行环纵缝防水。
【简答题】设计与制作服装主题banner 时尚潮流前沿Banner.zip
【单选题】They are ready to fight the enemy _____ the last drop of their _____.
A.
to; blood
B.
to; bloods
C.
for; breath
D.
for; time
【单选题】The battle lasted for a few hours and at last the enemy ________.
A.
was defeated
B.
were beat
C.
were won
D.
defeated
【单选题】They were surrounded by the enemy, but they _____ at last from the village.
A.
tried escaping
B.
managed to escape
C.
managed escaping
D.
tried to escape
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