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【简答题】
下面三张扑克牌上分别有2、6、8三个数,请你从这3个数中任意选取两个数求和,得数有( )种可能?
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举一反三
【判断题】In the presence of oxygen, the most energetically stable form of carbon is CO 2 and that of hydrogen is H 2 O.
A.
正确
B.
错误
【简答题】某企业加工车间本月制造费用总额为68800元,该车间生产甲、乙、丙三种产品,本月A类设备加工工时为50000小时,其中甲产品20000小时,乙产品16000小时,丙产品14000小时;B类设备的加工工时为30000小时,其中,甲产品4000小时,乙产品6000小时,丙产品20000小时。根据设备折旧费用和维修费用的发生情况,确定A类设备机器工时系数为1,B类设备机器工时系数为1.2。 要求:考虑两...
【单选题】They ______ the launch of their new company only a year ago.
A.
announce
B.
are announcing
C.
have announced
D.
announced
【单选题】When I got to the company, the meeting__________ for five minutes.
A.
had begun
B.
has been on
C.
has begun
D.
had been on
【单选题】In our company, only a few are for the decision, but the rest ______ all against it.
A.
are
B.
being
C.
has been
D.
is
【简答题】在网络管理功能中,保证网络能够提供连续、可靠的服务的是 功能。
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