题目内容

2DPSK差分相干解调实质是一种非相干解调方式。

A. 对
B. 错

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In order to ensure the above qualities, and of course many other qualities, a professional organization called() for concierges was formed in Francein October 1929 by Ferdinand Gillet.

A. Les Clefs d'Or
B. F & B
C. World Hotel Association
D. U N

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() are the symbol of qualified and standardized service.

A. golden cards
B. golden keys
C. golden hats
D. white gloves

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Which descriptions are true about the Goldren Keys?()

A. The Golden Keys have received professional training.
B. You can recognize the Golden Keys by the keys on the lapels on their uniforms.
C. The Golden Keys refers to an experienced concierge who stands behind the service booth in suit or tailcoat.
D. The Golden Keysformed in France in October 1929 by Ferdinand Gillet.

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In guiding the guest with the bus tour, the concierge should first tell the guest where the nearest bus stop or subway station is. And then tell the guest which bus or subway they can take and at which stop the guest should get off.

A. 对
B. 错

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2DPSK差分相干解调实质是一种非相干解调方式。

A. 对 B. 错

In order to ensure the above qualities, and of course many other qualities, a professional organization called() for concierges was formed in Francein October 1929 by Ferdinand Gillet.

() are the symbol of qualified and standardized service.

Which descriptions are true about the Goldren Keys?()

In guiding the guest with the bus tour, the concierge should first tell the guest where the nearest bus stop or subway station is. And then tell the guest which bus or subway they can take and at which stop the guest should get off.

A. 对
B. 错