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【多选题】
建设一支()的专业技术人员队伍，是加强政府诚信建设的决定性因素。A.
政治坚定
B.
业务精通
C.
廉洁高效
D.
诚实守信
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举一反三
【单选题】--Have you _ your debt? ---Yes, we worked day and night to _____.
A.
paid off, pay for them
B.
paid for, pay them
C.
paid, pay for them
D.
paid for, pay them off
【单选题】Which of the following is true about producer surplus?
A.
Producer surplus is how much more it costs sellers than they are paid.
B.
Producer surplus is shown graphically as the area under the demand curve but above the supply curve.
C.
An increase in the market price due to an increase in demand will increase producer surplus.
D.
All of the above are true about producer surplus.
【单选题】If the price rises from P1 to P2, consumer surplus decreases by the area:
A.
ABP2.
B.
AFP1.
C.
BGF.
D.
P1P2BF.
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