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When we are not engaged in thinking about some definite problem, we usually spend about 95 percent of our time thinking about ourselves. Now, if we stop thinking about ourselves for a while and begin to think of other persons9 good points, things will be quite different. One of the most neglected virtues is appreciation. Somehow, we neglect to praise our son or daughter when he or she brings home a good report card, and we fail to encourage our children when they first succeed in baking a cake or building a birdhouse. Nothing please children more than this kind of parental interest and approval. The next time you enjoy delicious food at a restaurant, send word to the cook that it is excellently prepared, and when a tired salesperson shows you unusual politeness, please mention it. Every minister, lecturer and public speaker knows the discouragement of pouring himself or herself out to an andience and not receiving any appreciative comment. What applies to professionals applies doubly to workers in offices, shops and factories and our families and friends. In our interpersonal relations we should never forget that all our associates are human beings and hunger for appreciation. It is the legal tender that all souls enjoy. Try to be friendly and appreciative in your daily life,and you’ll be surprised how that will change your life and the world. According to the passage, people_______. A.spend a lot of time thinking about others B.think about themselves most of the time C.spend little time thinking about themselves D.think more about others than themselves The writer criticizes the parents who_______.A.ignore their children’s achievements B.are not interested in baking a cake C.set high demands upon their children D.don’t help out when their kids have difficulties The underlined word “it” in Paragraph 3 refers to_______A.delicious food B.a restaurant C.to cook D.unusual politeness According to the passage,_______.A.kids need encouragement more than adults B.professionals need appreciation more than workers C.appreciation is not necessary for family members D.everyone needs appreciation and encouragement The writer believe that_______.A.people often appreciate things other people do B.people seldom appreciate things other people do C.say “thanks,’ to someone, and you’ll soon become friends D.express your gratitude to others, and they will pass it on
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【单选题】三相带断路保护、额定电流是20A的热继电器,其型号应为( )
A.
JR3—30/2D
B.
JR3—20/3D
C.
JR3—30/2
D.
JR3—20/3
【单选题】下列何种畜禽粪属于冷性厩肥
A.
马粪
B.
牛粪
C.
羊粪
D.
鸡粪
【单选题】关于带漏电保护的空气断路器选用时,以下说法正确的是( )。
A.
空气断路器的额定电压≥线路额定电压
B.
空气断路器的额定电流≥线路计算负載电流
C.
带漏电保护的空气断路器选用时主要考虑其额定漏电动作电流和额定电动作时间
D.
以上都是
【单选题】关于带漏电保护的空气断路器选用时,下说法正确的是( )。
A.
空气断路器的额定电压≥线路额定电压
B.
空气断路器的额定电流≥线路计算负载电流
C.
带漏电保护的空气断路器选用时主要考虑其额定漏电动作电流和额定漏电动作时间
D.
以上都是
【单选题】设三相异步电动机额定电流Ie=10A,频繁带负载启动,熔断体的额定电流应选( ) 。
A.
10A
B.
15A
C.
20A
D.
25A
【单选题】零序电流保护的速断段,在恢复三相带负荷运行时,不得因断路器的短时三相不同步而误动作。如果整定值躲不过,则应在重合闸后增加()的延时
A.
0.1S
B.
0.2S
C.
0.5S
D.
1S
【单选题】下列选项中,关于“办事公道”的说法正确的是
A.
办事公道是社会公德的要求
B.
普通职员不会面临办事公道的问题
C.
办事公道能为企业赢得较好信誉
D.
办事公道对企业没有什么意义
【简答题】母线保护仅实现三相跳闸出口;且应允许接于本母线的断路器失灵保护( )其跳闸出口回路。
【单选题】《赫克托耳之死》节选自( )
A.
《赫克托耳》
B.
《荷马史诗》
C.
《奥德修斯》
D.
《浮士德》
【单选题】用低压断路器,控制和保护线绕式三相异步电动机时,其瞬动电流可在电动机额定电流的( )范围内选择整定。
A.
3-6倍
B.
5-10倍
C.
8-15倍27
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