当出现大雾天气，乘务员需（）。 A.密切注视DMI给出的速度码 B.注意瞭望，控制速 发布时间：2021-03-05 05:59 │ 来源：www.tikuol.com 题型：多项选择题 问题： 当出现大雾天气，乘务员需（）。A.密切注视DMI给出的速度码B.注意瞭望，控制速度，小心驾驶，采用低于DMI给出的速度码的速度运行C.开启头灯进行防护D.鸣笛提示
题型：多项选择题 团注静脉肾盂造影术步骤。错误的是（）A.注射对比剂前摄腹部平片B.注射对比剂后1分钟和5分钟行双肾摄片C.注射对比剂后20分钟摄腹部平片和双侧斜位片D.解除压迫后行膀胱摄片E.排空后再摄腹部平片 查看答案
题型：多项选择题 从方框中选出适当的句子补全对话，其中有两项是多余的。 (A man and a woman are talking at the Shanghai Hongqiao Airport.) M: The airplanes are late, aren't they? W: 1 I never expect planes to be on time. M: Are you working here or just a visitor? W: A visitor. M: How long have you been here?W: 2 M: What places of interest have you been to? W: Quite a lot, like the Great Wall in Beijing, West Lake in Hangzhou. They're really wonderful. M: 3 W: You know, China is a country with a long history and it's quite beautiful. M: 4 W: Yes, of course. It's delicious. M: Oh, here's my airplane at last. I must go now. Bye. W: Bye! 5 M: Me, too. Take care. A. Twice a month. B. Do you think so? C. For one month. D. Do you like Chinese food? E. Nice talking to you. F. How do you like China? G. Yes, I think so. 查看答案
中，若其中YY为HT，则HT表示（）。