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【简答题】
公共产品是私人产品的对称，是指具有消费或使用上的非竞争性和受益上的非排他性的产品。以此定义，下列选项中不属于公共产品的是_____。 A: 公路 B: 义务教育 C: 公共绿地 D: 出租车
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举一反三
【单选题】James Corbin became a blacksmith because he__________.
A.
was interested in horses
B.
was needed by the policemen
C.
drew a picture of the horseshoe
D.
had to make a living
【单选题】Generally, _________ bits are used by True-Color scheme to encode a single pixel.
A.
8
B.
12
C.
24
D.
48
【简答题】设x，y均为int型变量，描述“ｘ，ｙ符号相异”的表达式是 [填空(1)] 。A. x*y<0
【单选题】Which one of the following is generally considered to be the best form of analysis if you have to select a single method to analyze a variety of investment opportunities?
A.
Payback
B.
Profitability index
C.
Accounting rate of return
D.
Net present value
【简答题】设x,y均为int型变量,描述“x,y符号相异” 的表达式是( )
【单选题】A set of several similar genes, formed by duplication of a single original gene, and generally with similar biochemical functions are called
A.
gene family
B.
chromosome
C.
genome
D.
nucloetide
【单选题】What are our cultural beliefs?
A.
Single parent is generally less happy.
B.
Couples are unhappy with kids.
C.
It's a tradition for couples to have kids.
D.
Having kids makes parents happy.
【简答题】供应链供应物流的模式有( )A. JIT供应模式; B. 即时供应模式; C. 零库存供应模式; D. MRP供应模式;
【简答题】Generally in common law countries, the internal management of a corporation is conducted by a single ________ board of directors.
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