离心式压缩机进行出口节流调节时,将出口阀开度关小,管网阻力() A.不变 B.增加

题型:单项选择题

问题:

离心式压缩机进行出口节流调节时,将出口阀开度关小,管网阻力()

A.不变

B.增加

C.减小

D.不变或减小

考点:压缩机工考试高级压缩机工高级压缩机工题库
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劳动关系的主体是( )。

A.劳动者
B.用人单位
C.劳动者或用人单位
D.劳动者和用人单位

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Weight loss is a hard topic. Lots of people aren’t satisfied with their present weight, but most people aren’t sure how to change it. You may want to look like the models or actors in magazines or on TV, but those goals might not be healthy or realistic(现实的) for you .  1  

So what should you do about your weight control?

   2   The best way to find out if you are at a healthy weight or if you need to lose or gain weight is to talk to a doctor or dietitian (营养学家 ).

   3   If it turns out that you can benefit from weight loss then you can follow a few of the simple suggestions listed below to get started.

   4   People who lose weight quickly by crash dieting or other extreme measures usually gain back all of the pounds they lost, because they haven’t permanently(永久地) changed their habits. Therefore, the best weight management ways are those that you can maintain for a lifetime.

Small changes are a lot easier to stick with (坚持做) than large ones. Try reducing the size of what you eat.    5   Once you have that down, start gradually introducing healthier foods and exercise into your life.

It’s a good idea to maintain a healthy weight because it’s just that: healthy.

A.Try giving up regular soda for a week.

B.Try to pay attention as you eat and stop when you’re full.

C.Weight management is about long-term success.

D.Besides, no magical diet will make you look like someone else.E.Being healthy is really about being at a weight that is right for you.

F.Changing from whole to nonfat or low-fat milk is also a good idea.

G.They will compare your weight with healthy standards and help you set goals

题型:单项选择题

关于房屋建筑物的说法,不正确的是( )。

A.房屋建筑物的基本组成有基础、主体承重结构和屋顶及围护结构

B.建筑物作为商品有不可位移性、产权边界复杂性、和功能变异性等特性

C.对建筑物分类,能使评估人员更好地了解房屋建筑物的特点,使评估更科学

D.土地使用权划拨具有无偿性、无期限性、可转让性

题型:单项选择题

女性,35岁,前臂被铁棒击伤,X线片显示尺、桡骨骨折,近端平行排列,而骨折远端则桡骨重叠于尺骨之上。该骨折的位置在()

A.肱二头肌止点与旋后肌止点之间

B.旋前圆肌止点与旋前方肌止点之间

C.肱桡肌止点与旋前圆肌止点之间

D.旋后肌止点与旋前圆肌止点之间

E.旋前方肌与肱桡肌止点之间

题型:单项选择题

上证基金指数以2000年6月30日为基日。 ( )

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