为Excel单元格区域命名时，能使用（）。 A: 2IRSTNAME B: 5IRST_NAME C: FIRS D: NAME E: 4STNAME
为Excel单元格区域命名时，能使用（）。 A: 2IRSTNAME B: 5IRST_NAME C: FIRS D: NAME E: 4STNAME
请列出中国所有飞行情报区的名称及ICAO四字代码。（Please list all the designators of FIRs in China.）
请列出中国所有飞行情报区的名称及ICAO四字代码。（Please list all the designators of FIRs in China.）
Which of the following statements is wrong about the etiquette of introducing others? ( ) A: When introducing a group, the head of the hosting party should introduce his group first. B: When introducing a group, the head of the guest party should introduce his group first. C: When introducing others, we should properly show their strengths and features. D: The order of introduction should follow the principle of “the venerable firs”.
Which of the following statements is wrong about the etiquette of introducing others? ( ) A: When introducing a group, the head of the hosting party should introduce his group first. B: When introducing a group, the head of the guest party should introduce his group first. C: When introducing others, we should properly show their strengths and features. D: The order of introduction should follow the principle of “the venerable firs”.
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