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【判断题】
当价格低于均衡价格，股指期货投机者低价买进股指期货合约；当价格高于均衡价格，股指期货投机者高价卖出股指期货合约，从而最终使价格趋向均衡。这种做法可以起到增加价格波动的作用。
A.
正确
B.
错误
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正确
B.
错误
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【单选题】—Could you tell me ________? —It's about ten minutes' ride. [     ]
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where is your school
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which the way to your school is
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when do you go to school
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how far your school is from here
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【单选题】During November 2012, gasoline prices were falling, which made travel by car less expensive, but air fares remained as high as ever. If income is unchanged and air travel is a normal good, _________.
A.
the substitution effect is an increase in car travel and the income effect is a decrease in car travel
B.
both the substitution and income effects decrease car travel
C.
the substitution effect is an increase in car travel and there is no income effect on car travel
D.
both the substitution and income effects increase car travel
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【单选题】建设()是中华民族永续发展的千年大计，必须树立和践行绿水青山就是金山银山的理念。
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【单选题】Gasoline is a normal good. If the price of gasoline falls, a consumer buys more gasoline because of
A.
only an income effect.
B.
only a substitution effect.
C.
an increase in the marginal rate of substitution.
D.
both an income effect and a substitution effect.
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【判断题】党的19大报告指出,必须树立和践行绿水青山就是金山银山的理念,这表明经济的发展必须优于生态文明建设
A.
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【单选题】建设生态文明是中华民族永续发展的千年大计,必须树立和践行绿水青山就是金山银山的理念,坚持( )的基本国策。
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珍惜每一寸土地
B.
人与自然和谐共生
C.
节约资源和保护环境
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绿色发展、循环发展、低碳发展
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【判断题】建设生态文明是中华民族永续发展的百年大计，必须树立和践行绿水青山就是金山银山的理念。
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【单选题】—Could you tell me ________? —It's about ten minutes' ride. [     ]
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【单选题】During November 2012, gasoline prices were falling, which made travel by car less expensive, but air fares remained as high as ever. If income is unchanged and air travel is a normal good, _________.
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【单选题】Gasoline is a normal good. If the price of gasoline falls, a consumer buys more gasoline because of
A.
only an income effect.
B.
only a substitution effect.
C.
an increase in the marginal rate of substitution.
D.
both an income effect and a substitution effect.
查看完整题目与答案
【判断题】党的19大报告指出,必须树立和践行绿水青山就是金山银山的理念,这表明经济的发展必须优于生态文明建设
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A.
珍惜每一寸土地
B.
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C.
节约资源和保护环境
D.
绿色发展、循环发展、低碳发展
查看完整题目与答案