根据《危险化学品经营企业开业条件和技术要求》规定:零售业务的店面应与繁华商业区域或居住人口稠密区保持()m以上距离。
A. 300
B. 400
C. 500
D. 800
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道路交通安全设施中,设置()的目的是给道路通行人员提供确切的信息,保证交通安全畅通。
A. 交通标志
B. 路面标志
C. 护栏
D. 视线诱导标
危险化学品安全技术
本部分共10小题,每小题1分。每题的备选项中只有一个最符合题意。
危险化学品中毒、污染事故预防控制措施中,控制作业场所中有害气体、蒸气或粉尘最有效的措施之一是()。
A. 替代
B. 隔离
C. 通风
D. 个体防护
根据《输油管道设计工程规范》规定,与高压输电线交叉敷设时,距输电线()m范围内不应设置阀室及可能发生油气泄漏的装置。
A. 5
B. 10
C. 20
D. 50
听力原文:M: Hi, Grace. Mind if I eat lunch with you?
W: No. Mr. Evans, not at all.
M: Thanks. I just heard that you're studying nutrition and you've got quite a bit of experience working in the cafeteria, so I wonder if you will be interested in a small project we are doing this term.
W: What's the project all about?
M: More and more students have been deciding not to buy the meal here and we want to attract them back. So I want to hear what students would like. Your job would be to find out.
W: Well, if the menus were changed, then maybe I wouldn't have to listen to so much criticism.
M: That makes you perfect for the job. Would you be interested?
W: I'm not sure. What sorts of changes are you thinking of?
M: I'd like to make some changes in the way we prepare our food. For example, just look at what we have to choose from today. You got a fried hamburger and I got fried chicken. They both contain too much fat.
W: But you'd better not get rid of them. They're everybody's favorite.
M: Well, we can certainly keep them, but we need to give the people who are health-conscious some choices. For example, we could also prepare chicken without the fatty skin and serve it on some rice with a light sauce. Do you think that would appeal to students?
W: Well, I'd like that. You're right. You'd better find out what others think. Sorry, I've got to get back to work. I'd like to hear more though. I'll drop by your office later. M: Ok, see you then.
(23)
A. The size of the cafeteria,
B. The food served in the cafeteria.
C. The cost of meals in the cafeteria.
D. Career opportunities in cafeterias.