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【单选题】
氧化锌长时间加热将由白色变成黄色,这是由于加热过程( )
A.
产生异构化
B.
晶粒变小
C.
Zn 2+ 对 O 2- 的极化作用增强
D.
晶体出现了缺陷
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【判断题】货币时间价值是货币在周转使用过程中由于投资原因而产生的差额价值。
A.
正确
B.
错误
【单选题】The final step in the marketing process is ________.
A.
capturing value from customers
B.
constructing an integrated marketing program
C.
building profitable relationships with the customers
D.
understanding the marketplace
E.
designing a customer-driven marketing strategy
【单选题】——Are you content with her lecture? ——Nowhere near that. It ____.
A.
may have been good
B.
couldn’t have been worse
C.
can’t be better
D.
must be better
【单选题】The final step in the control process is to:
A.
initiate corrective action.
B.
measure actual performance.
C.
establish the standards of performance.
D.
compare actual performance to the standards.
【单选题】The station was crowded, and Alice couldn’t see Dave_________.
A.
anywhere          
B.
everywhere                 
C.
nowhere          D  somewhere
【单选题】低压配电设备不包括( )。
A.
电度表
B.
低压配电箱
C.
开关
D.
熔断器
【简答题】__________,the thief was caught by the students. A.There being nowhere to hide B.There was nowhere to hide C.There is nowhere to hide D.There nowhere to hide
【单选题】My handkerchief must be______but I can't find it.
A.
anywhere
B.
where
C.
somewhere
D.
nowhere
【单选题】The final step in the marketing process is ________.
A.
capturing value from customers
B.
creating customer delight
C.
creating customer lifetime value
D.
understanding the marketplace
E.
designing a customer-driven marketing strategy
【单选题】移动通信基站的直流供电系统不包括以下设备( )。
A.
变压器
B.
蓄电池组
C.
高频开关电源
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