题目内容

如果某人在树下埋了一罐货币,那么货币的职能是________。

A. 交易媒介
B. 计价单位
C. 支付手段
D. 价值储藏
E. 实物交易工具

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Diesel engines are started by supplying_____into the cylinders in the appropriate sequence

A. cooling water
B. compressing air
C. compressed air
D. cylinder oil

One of the most common causes of reduction gear failure is gear wear caused by scoring as

A. surface fatigue of the gears
B. an inadequate lube oil film
C. plastic flow of the gears
D. fretting corrosion from water

The correct tightening is obtained by the use of______to measure the extension given to the bolts.

A. pressure gauges
B. thermometers
C. stretch gauges
D. bridge gauges

一个银行有如下存款和资产:支票存款300美元,储蓄存款800美元,小额定期存款900美元,给企业贷款1 000美元,政府债券950美元,现金20美元,在美联储的准备金账户余额为30美元,计算: a.存款总额; b.属于M1的存款; c.属于M2的存款; d.准备金; e.该银行的准备金对存款的比率是多少?

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