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【单选题】
如果甲产品的价格上升引起乙产品需求曲线向左移动，那么，以下说法正确的是（ ）。A.
甲产品和乙产品是互补品
B.
甲产品和乙产品是替代品
C.
甲产品是吉芬商品，乙产品是高档商品
D.
甲产品是高档商品，乙产品是吉芬商品
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举一反三
【单选题】Salvatore has the opportunity to invest in a scheme which will pay $5000 at the end of each of the next 5 years. He must invest $10,000 at the start of the first year and an additional $10,000 at the ...
A.
-$3189.80
B.
-$5907.57
C.
5907.57
D.
$3189.80
【简答题】通常我们说的BIM6D指的六个维度是文字、二维图形、三维模型和——、——、——。
【简答题】通常我们说的BIM6D指的六个维度是文字、二维图开、三维模型和——、——、——。
【单选题】How much does the man ask the woman to invest?
A.
15% of the capital.
B.
40% of the capital.
C.
50% of the capital.
D.
60% of the capital.
【单选题】Which of the following is the company that Tianjin seaport has encouraged to invest in the economic development area?
A.
Sino-Japanese steel pipe factory.
B.
The universal furniture company of U.S. and Singapore joint venture.
C.
Taiwan-funded chemicals.
D.
Sino-French clothing company.
【单选题】What is the most useful advice for new investors?
A.
The best time to invest in shares.
B.
The most suitable type of investment.
C.
The cheapest way to buy shares.
D.
The safest companies to invest in.
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