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【判断题】
根据经济学的解释,当经济利润为零时,企业的可分配利润为零( )。
A.
正确
B.
错误
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举一反三
【单选题】With the help of high technology, more and more new substances ______ in the past 10 years.
A.
discovered
B.
have discovered
C.
had been discovered
D.
have been discovered
【判断题】不可感知性是指服务与实体商品相比较,服务的特质及组成服务的元素,许多情况下都是无形无质的,让人不能触摸或凭视觉感到其存在。
A.
正确
B.
错误
【单选题】下列单位属于消费税纳税义务人的是( )。
A.
销售一次性木筷的商店
B.
受托加工白酒的企业
C.
委托加工白酒的企业
D.
销售小汽车的贸易公司
【单选题】A man escaped from the prison last night. It was a long time __________ the guards discovered what had happened.
A.
before
B.
until
C.
since
D.
when
【简答题】Scientists at Royal Holloway, University of London  and Queen Mary, University of London have discovered that bees learn to fly the shortest possible route between flowers even if they discover the fl...
【简答题】采用非接触式光学扫描仪进行采集数据前,物体需要做哪些前处理?
【单选题】与实体商品相比较,服务的特质及组成服务的元素,在许多情况下都是无形无质 的,让人不能触摸或感觉到其存在。 这是指服务的_________。
A.
不可触知性
B.
品质差异性
C.
不可分割性
D.
易逝性
【单选题】If Newton lived today, he would be surprised by what _______ in science and technology.
A.
had discovered
B.
had been discovered
C.
has discovered
D.
has been discovered
【判断题】转学、转专业的学生应按转入专业的培养方案补修未修课程,并按规定缴纳学费。A. 正确 B. 不正确
A.
正确
B.
错误
【简答题】C语言中一个单精度浮点型数据占( )个字节。
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