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【单选题】
保险产品整体概念的三个层次是( )。A.
核心产品、无形产品和附加产品
B.
物质产品、有形服务和附加服务
C.
核心产品、有形服务和附加产品
D.
物质产品、无形服务和附加产品
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【单选题】—I wonder why Mr. Brown hasn't showed up at the meeting yet. —I' m not sure, but he ________ in a traffic jam driving here.
A.
might have been stuck
B.
could be stuck
C.
must have stuck
D.
might stuck
【单选题】Isobel consumes positive quantities of both jam and and juice. The price of jam is 5 cents per unit and the price of juice is 10 cents per unit. Her marginal utility of jam is 10 and her marginal util...
A.
Without changing her total expenditures, she could increase her utility by consuming more jam and less juice.
B.
Without changing her total expenditures, she could increase her utility by consuming more juice and less jam.
C.
Without changing her total expenditures on jam and juice, she could not increase her utility.
D.
We can't tell whether any of the other statements are true or false without knowing the quantities she consumes.
【简答题】A．impel B．spur C．force D．urge
【简答题】[A] accident [B] gathering [C] jam [D] crowd
【单选题】The president _____ all people _____ our environment. [ ]
A.
urge, to protect
B.
urged, to protect
C.
urges, protect
D.
urged, protect
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