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【简答题】
将下列单词或词组填入空格.每空格限填一词,每个单词或词组只能填一次。 A. get ready for     B. look after C. sweetly D. monitor E. successful          F. cute         G. hardly   H. countries      I. need It was a bright Saturday and we were sitting in a modern restaurant. We were all students together many, many years ago. We had finished the noodles at the end of the meal, when the 1 said, 'Let's take it in turns to talk about our experiences.' Cathy started, 'I have travelled a lot. I have visited many 2 because of my work. I have seen the River Amazon,  stopped in Paris and seen the snow  in Canada.  I've  also been  riding  on a  camel in the Arabian Desert.' Joyce said, '1 have been very 3 and am rich. I have opened many businesses, worked  hard and had plenty of good ideas. So if you 4 help in doing business, I'll always be glad to give you a hand.' 'Well,  I have done a lot of good things.  I 5 people in hospital, raise money for the hospital's services and help people,' said Ricky. Next was Ken. Once he was a 6 little boy; now he was a serious older man with heavy glasses and not much hair.  'I have worked in a science research centre.  I have been  busy in  my laboratory day after day. I have always been thinking about the future ana helping us 7 it' Then there was silence. 'So what about you. Mary?' Mary smiled 8 , 'I have done everything you have done.' 'How can that be ?' 'I have travelled all around the world and into space and into the past and many other wonderful things, all through the world of books...'
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【多选题】CR部操作保有客户营销优势?
A.
有效衔接销售与售后
B.
与客户联系的渠道较多
C.
亲和力好
D.
数据获取有一定障碍
【单选题】Excel工作簿与工作表的关系是 。
A.
一个工作簿由若干张工作表组成
B.
一个工作表由若干张工作簿组成
C.
工作簿和工作表是同一概念
D.
工作簿和工作表之间不存在隶属关系
【单选题】Excel工作簿与工作表的关系是()。
A.
一个工作簿由若干个工作表组成
B.
一个工作表由若干个工作簿组成
C.
工作簿与工作表是同一个概念
D.
工作表与工作簿之间不存在隶属的关系
【单选题】十进制数256转换为二进制数为?
A.
1 0000 0000
B.
1 0000 0110
C.
0 0110 0110
D.
1 0000 0001
E.
1 1111 0000
【单选题】有一台发电机300MW,通过容量为360MVA额定电压242/20kV升压变,二回220kV2×LGJ-400/100km与系统连接,正常运行时变压器中性点直接接地。在做规划设计阶段,潮流计算哪些参数()?
A.
发电机的Xd,发电机出力,变压器正、负序电抗(X1、X2),线路正序零序阻抗分别为(R1+jX1)和(R0+jX0),负荷(P+jQ)。
B.
发电机出力,变压器正序电抗(X1),线路正序阻抗(R1+jX1),负荷(P+iQ)。
C.
发电机出力,变压器正序零序阻抗(X1、X0),线路正序零序阻抗(R1+jX1)和(R0+jX0),负荷[]。
D.
发电机的同步电抗Xd:发电机出力,变压器正序电抗(X1),线路正序阻抗(R1+jX1),负荷(P+jQ)。
【简答题】十进制数256转换成二进制数为________________。
【单选题】十进制数256转换为二进制数为()
A.
10000
B.
1000100
C.
100000000
D.
100101000
【单选题】一台同步发电机的正序电抗、负序电抗、零序电抗的大小关系为( )。
A.
正序电抗
B.
正序电抗>负序电抗>零序电抗
C.
正序电抗=负序电抗=零序电抗
D.
正序电抗=负序电抗>零序电抗
【多选题】已知某正弦交流电动势为 e= 14.1sin(800 π t +2 π/3 ) V ,该正弦交流电的三要素正确的是()
A.
E=1V
B.
ω =800 rad/s
C.
f =400Hz
D.
T=2.5s
【多选题】CR部操作保有客户营销优势?
A.
有效衔接销售与售后
B.
与客户联系的渠道较多
C.
亲和力好
D.
数据获取有一定障碍
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