关于电缆桥架安装下列哪些说法是正确的（）？

Fire Charger Exporting Co., LtdDate: December 30th, 2009Present; Dr. Bruce Smith(Chair), Owen Katter, Carl Brown, Leo Black, and Angel ClintonApologies for absence; Susan TimThe year end sales meeting of Fire Charger Exporting Co., Ltd was held at the Meeting Room 302, 2 : 00 p. m., December 30th, 2009. The meeting was called to order and presided over by Dr. Bruce Smith, president. Old businessNoneSales manager's reportOwen Katter, Sales Manager, reported the year-end sale of 100, 000 items, 12, 400 out of the planned amount. Total revenue was $280, 000. Staff reportCarl Brown presented the report of the marketing expenditure. A trial advertising was to be released on January 26th, 2010. New businessIt was moved by Leo Black, seconded by Angel Clinton, that about $ 3, 000 be spent on the promotional efforts on the target market located in Argentina. AdjournmentThe meeting was adjourned at 4: 00 p. m. Eagles Samuel SecretarySubject: minute of the year-end sales meeting From: eaglessamuel@toney. com To: susantim@ree201. comDear Susan, How are you feeling now? I am so sorry to hear that you have got the flu and sick in bed. I hope you can be well soon. We held the year-end sales meeting Friday, I mean yesterday. All the rest managers have come to the meeting. You can read the minutes about the meeting in the attachment. I guess you might be interested in it. So I arranged it on last night, and e-mail you as soon as I can. I hope you can read it and know some information of the meeting. We have delayed your department report on the new employers' plan because of your health problem, so we hope you can be well and come to work soon. Best wishes. Yours, Eagles SamuelHow long did the year-end sales meeting last?A．2 hoursB．3 hoursC．1 hourD．1 2 hour

A.,
B.,
C.,
D.2
E.3
F.1
G.1/2

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列车停留超过30min时，应进行自动制动机的简略试验。（） 点击查看答案&解析