我国劳动卫生标准采用的最高容许浓度是指A.时间加权平均浓度B.任何一次有代表性的采样

题型:单项选择题

问题:

我国劳动卫生标准采用的最高容许浓度是指

A.时间加权平均浓度
B.任何一次有代表性的采样均不应超过的最高限值
C.瞬间可超过的浓度值
D.浓度的年平均值
E.浓度的日平均值

考点:卫生资格考试(中初级)公卫专业知识公共卫生主治医师专业知识
题型:单项选择题

根据所提供的原始单据,按照报关单填制规范的要求,在报关单相应的选项中,选出最合适的答案。

 

 

“净重”栏应填()。

A.18.90

B.15025

C.17951

D.不填

题型:单项选择题
阅读下列短文,根据短文中的信息完成文后表格。(每空一词)
Smoking is bad for you, but what if your parents smoke? You might be worried about their health, be tired of smelling the smoke, or even a little embarrassed by it. You can’t order your parents to stop smoking, but you can encourage them to give up this bad habit. Tell them smoking is not good for their health.
If you think it will help, you could find some articles like this one and give them to your parents. Many states now have free programs to help people give up smoking. You might even see them advertised on billboards in your town. Point these out to your parents and encourage them to find out more about these programs.
What if your parents get angry with you for mentioning the topic of smoking? People don’t like to be told that they are doing something unhealthy, so it is possible your parents will be angry, especially if they are worried they won’t be able to give up smoking. Maybe they have tried before but failed.
Remember to be kind and show respect when you discuss smoking with your parents. Also remember that it is not easy to give up smoking. Some people have tried several times before they’re able to give up. Instead of shouting at them, tell them that you love them and want them to enjoy many healthy years ahead. They may eventually realize you are right about smoking.
If your parents agree to stop smoking, be their biggest supporter. Ask if there is anything you can do when they feel the desire to smoke. Maybe you could go for a walk, do a puzzle, or listen to music together. As they reach milestones, such as a month without smoking, Remember to celebrate the achievement.
Topic
★How to   小题1:your parents to give up smoking
 小题2:
★Smoking   小题3:their health.
★You are either worried about their health or   小题4:with smelling their smoke.
Ways
★It may also be   小题5:to find some articles for them about giving up smoking. Tell them there are many free programs available.
★They are sure to   小题6:your advice so long as you love and respect them. It is important to remember that it is   小题7:to give up smoking.
To   小题8:their giving up smoking, you can do many things.
★Spend   小题9:time with them. For example, go for
a walk, do a puzzle, or listen to music together.
★Don’t  小题10:to celebrate their achievement and encourage them.
 
题型:单项选择题

高压硅整流器与真空管整流器相比,前者的优点不包括()

A.体积小

B.寿命长

C.透明度高

D.内阻小

E.无需灯丝加热

题型:单项选择题

(15分)阅读材料,完成下列要求。

2013 年,“雾霾”成为年度关键词。这一年的1月,4次雾霾过程笼罩30个省(区、市),在北京,仅有5天不是雾霾天。2013年11月,国务院 * * 李克强指出要加强雾霾天气监测、分析、研究和预警工作,及时发布空气污染提示。2014年l月4日,国家减灾办、民政部首次将危害健康的雾霾天气纳入2013年自然灾情进行通报。2014年2月,环保部公布了《环境空气细颗粒物污染防治技术政策》草案,向社会公开征求意见。

2014年2月24日,工信部宣布将采取六项措施降低工业排放。其中包括将抓紧制修订大气污染重点行业准入条件,提高“两高”行业在能耗污染物排放方面的准入门槛,进一步完善重点行业准入公告管理制度,实施更为严格的环境监管执法。2014年l月3日,记者从内蒙古自治区人民政府获悉,为做好重污染天气应对工作,从今年起内蒙古将对因工作不力、及职缺位森因导致持续 3 天重法律天气的各级政府和有关部门主要领导和分管领导依法实行问责。

(1)政府重视雾霾问题体现了什么原则?(3分)

(2)结合材料二,运用政治生活知识,说明在治理空气污染的过程中,政府是如何发挥作用的。(12分)

题型:单项选择题

某企业年底商品结存总额的数列是时期数列还是时点数列?为什么?

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