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问题 单项选择题

某日，中国银行公布的外汇牌价为1美元兑6.83元人民币，现有人民币10000元，按当日牌价，大约可兑换（）美元。

A.1442

B.1464

C.1480

D.1498

答案

参考答案：B

解析：10000÷6.83≈1464(美元）。

单项选择题

For a local government to outlaw all strikes by its workers is a costly mistake, because all its labor disputes must then be settled by binding arbitration, without any negotiated public-sector labor settlements guiding the arbitrators. Strikes should be outlawed only for categories of public-sector workers for whose services no acceptable substitute exists.
The statements above best support which of the following conclusions

A．Where public-service workers are permitted to strike, contract negotiations with those workers are typically settled without a strike.

B．Where strikes by all categories of pubic-sector workers are outlawed, no acceptable substitutes for the services provided by any of those workers are available.

C．Binding arbitration tends to be more advantageous for public-service workers where it is the only available means of settling labor disputes with such workers.

D．Most categories of public-sector workers have no counterparts in the private sector.

E．(E) A strike by workers in a local government is unlikely to be settled without help from and arbitrator.
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单项选择题

台架式变压器安装，变压器的高、低压侧应分别装设熔断器，低压侧熔断器的底部对地面的垂直距离不低于（），低压侧熔断器的各相水平距离不少于（）。

A.2500mm、400mm

B.4500mm、350mm

C.4700mm、500mm

D.5000mm、300mm
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