如果个人和企业持有的现金为8 000亿美元，旅行支票为100亿，个人和企业的支票存款为7 000亿，储蓄存款为40 000亿，小额定期存款为10 000亿，货币市场资金和其他存款为8 000亿，那么M1等于多少亿美元？________。
A. 73 100
B. 58 000
C. 25 100
D. 15 100
E. 7 100
查看答案
Which information is not given in the text？
A. Ship recycling contributes to sustainable development
B. The IMO believes that making an international instrument to regulate the ship recycling process is urgently in need
C. An international convention on ship recycling has been adopted
D. The IMO has taken action to develop an effective solution to the problem of ship recycling
The expansion valve used in a refrigeration system regulates the
A. superheat of the gas leaving the compressor
B. back pressure in the evaporator
C. temperature in the refrigerated space
D. degree of superheat of the gas leaving the evaporator
Which statement is NOT true？
A. In a simple vane pump, the rotor and cam ring are exactly concentric
Balanced vane pump has an elliptical cam ring
C. Liquid in both gear pump and vane pump are forced out to the outlet.
D. Balanced vane pumps can work at a higher pressure than the simple vane pump
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