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【单选题】
最大粒径31.5mm碎石或卵石的针片状含量试验所需试样的最少数量为（）㎏。A.
20
B.
15
C.
63
D.
25
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【单选题】Which of the following securities are not traded on the New York Stock Exchange?______.
A.
Common stocks
B.
Preferred stocks
C.
Corporate bonds
D.
Financial futures contracts
【单选题】Preferred stock, bonds, and convertible securities are also known as ________.
A.
nonmarketable claims
B.
standardized securities
C.
variable securities
D.
covenants
【简答题】有下列四个命题： ①函数 与 的图象关于 轴对称；②若函数 ，则对 ，都有 ；③若函数 在区间 上单调递增，则 ； ④若函数 ，则函数 的最小值为 .其中真命题的序号是 .
【单选题】Which of the following statements about financial markets and securities are true?
A.
A corporation acquires new funds only when its securities are sold in the secondary market.
B.
Money market securities are usually more widely traded than longer - term securities and so tend to be more liquid.
C.
Less common stocks are traded over - the - counter, and the largest corporations have their shares traded at organized stock exchanges such as the Shanghai Stock Exchange.
D.
all of the above
【简答题】_____ Fig. 5-1 shows _____ Oersted ’ s experiment.
【单选题】Which of the following is not one of the social functions of compliments?
A.
Greeting people
B.
Starting a conversation
C.
Criticizing people
D.
Overcoming embarrassment
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