什么是调节系统的速度变动率?对机组的运行有何影响?

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问题:

什么是调节系统的速度变动率?对机组的运行有何影响?

考点:发电厂集控运行技术考试发电厂集控运行技术考试题库
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Many scientists find that colors can change people’s feelings. It’s very interesting. Some colors can make people feel relaxed, and some colors can make people feel nervous. Now,this kind of knowledge is being used in many places. For example,school walls are always painted green because green makes students feel relaxed. It is also good for the students’ eyes. Some bookings they’ve learned from scientific studies. The color red makes people hungry. Many fast food restaurants have red furniture or walls. Soft colors like pink and light blue make people feel relaxed,so they spend more time eating. Loud music may be nices are also green or light blue for the same reason. Restaurant owners not only have to know how to make food,but also have to know how to make  money. Here are some   thi at first,but it soon makes people want to leave. Hard seats also make customers want to eat quickly and leave. Many restaurants,especially fast food restaurants, use this knowledge to make customers eat faster.

小题1:How does the color green make the students feel?

A.Hungry.

B.Nervous.

C.Angry.

D.Relaxed.小题2:How does the color red make most people feel?

A.Hungry.

B.Comfortable.

C.Excited.

D.worried.小题3:Which color isn’t mentioned in this passage?

A.Green.

B.White.

C.Light blue.

D.Red.小题4:What do many fast food restaurants do?

①Play loud music. ②Play soft music.

③Have hard seats. ④Paint their walls red.

A.①②③

B.①③④

C.①②④

D.②③④小题5:What’s the best title for this passage?

A.Color and restaurant.

B.Use color to make money.

C.Color and science.

D.Use color to change feelings.

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果树需水量最大的时期是开花和果实生长的初期。[ ]

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某患者骑跨伤后3天,排尿困难, * * 口流血。查体:发热,阴囊明显肿大,青紫,其处理应是

A.立即施行 * * 修补
B.立即行 * * 会师
C.以金属导尿管导尿
D.耻骨上膀胱造瘘及引流外渗尿液

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羊毛铬花箐R分光光度法测定烟气中铍时,0.1%及0.2%的羊毛铬花箐R(简称ECR)水溶液不稳定,最好临用时现配。

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患者,女,40岁。视物旋转耳鸣呕恶3小时,现眩晕时心下悸动,咳嗽痰稀白,恶心欲呕,频频呕吐清涎,耳鸣耳聋,腰痛背冷,四肢不温,精神萎靡,夜尿频而清长。舌质淡胖,苔白滑,脉沉细弱。检查:眩晕发作时可见自发性水平型,快相向病侧或健侧,发作过后眼震逐渐消失。其证型是()

A.肺肾阴虚

B.痰浊中阻

C.肝阳上扰

D.寒水上泛

E.髓海不足

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