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【单选题】
好氧微生物对废物中的有机物进行分解最后的产物不包括A.
二氧化碳和水
B.
腐殖质
C.
热量
D.
甲烷
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【简答题】初级市场(primary：market)
【单选题】The primary solution to environmental problems is______.
A.
to allow market forces to operate properly
B.
to curb consumption of natural resources
C.
to limit the growth of the world population
D.
to avoid, fluctuations in prices
【单选题】The primary solution to environmental problems is ______.
A.
to allow market forces to operate properly
B.
to control consumption of natural resources
C.
to limit the growth of the world population
D.
to avoid fluctuations in prices
【单选题】Which of the following terms is not mentioned in the passage?
A.
Primary market and secondary market.
B.
Securities exchange and the over-the-counter market.
C.
Investment-banking firm and stock averages.
D.
The New York Stock Exchange and Nasdaq.
【单选题】The primary assets of money market mutual funds are
A.
stocks.
B.
bonds.
C.
money market instruments.
D.
deposits.
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