双母线接线方式的可靠性比单母线接线方式高,但设备投资较大。

题型:判断题

问题:

双母线接线方式的可靠性比单母线接线方式高,但设备投资较大。

考点:电气试验工考试初级电气试验工初级电气试验工题库
题型:判断题
请阅读下列应用文及相关信息,并按照要求匹配信息。请在答题卡上将对应题号的相应选项字母涂黑。
首先,请阅读下面六封申请奖学金的书信:
A
Dear Sir or Madam,
I should like to apply for one of the scholarship that your department may be offering to students from other countries. I have graduated from Southeast Normal University since 2009. I major in French Language Education.
Thank you for your consideration. I look forward to your reply.
Very sincerely yours,
(Signature)
B
Dear Sir,
I am a postgraduate student in Beijing Science and Engineering University. I major in microelectronics engineering, and do some research work during my study years. I hope to have a future study and continue to do my research work if I succeed in obtaining the engineering scholarship. Would you please send me the necessary application forms and any further details about the scholarship.
Respectfully yours,
(Signature)
C
Dear Sir,
I am writing to you in the hope of obtaining the scholarship in history to support my study and some research work.
I am a graduate student in the Department of History in the Northeast University for Nationalities. In addition to study and research work, I also write books. Recently I have finished a book on the history of Origin nationality in China. I would like to focus on that field for my advanced studies.
Thank you for your time and consideration. I look forward to your reply.
Respectfully yours,
(Signature)
D
Dear Sir or Madam,
I would be most grateful if you would send me details of graduate study facilities or scholarships in civil engineering which University of Lancaster may be offering to students from overseas. I majored in engineering and graduated from Fudan University in 2008. I have studied English for more than 7 years up to intermediate(中间的)level. If any scholarships are available, I would appreciate it if you would send me the necessary application forms.
Sincerely yours,
(Signature)
E
Dear Dr. Gomes,
I have read the announcement of the scholarship in chemistry that the University of Colorado is offering, and I would like to submit my application.
The enclosed application form for admission to the graduate school of your university will give my educational history. However, I would like to point out that I have just received an M.S.
Sincerely yours,
(Signature)
F
Dear Dr. Brown,
I shall be obliged if you sent me the necessary application forms of scholarships in philosophy which University of Omaha may be offering to students from other countries. I graduated from Zhongshan University in 2009, and majored in philosophy. Please give my application the first consideration. I look forward to your reply.
Very truly yours,
(Signature)
请阅读以下奖学金申请者的信息,然后匹配申请者和他或她的申请。
小题1:Sun Xiaohong: Sun has graduated from Fudan University and majored in civil engineering. Her English is up to intermediate level.
小题2:Wu Mingming: Wu is a postgraduate student in Beijing Science and Engineering University, and majors in microelectronics engineering.
小题3:Wang Xin: Wang has just received an M.S. He majored in chemistry when he was in the university.
小题4:Li Liang: Li graduated from Zhongshan University a few years ago. He is very interested in philosophy.
小题5:Liu Jun: Liu is studying in the Northeast University for Nationalities. He wants to focus on the history of Origin nationality for his advanced studies.
题型:判断题

一个均匀的物体挂在弹簧测力计上,静止时测力计的示数为20N;当物体全部浸没在水中静止时测力计示数为10N。求:

(1)当物体浸没在水中时,物体所受的浮力

(2)物体的体积

(3)物体的密度

题型:判断题

机动车维修企业质量信誉档案包括质量投诉情况。()

题型:判断题

执行语句序列
ofstream outfile("data.dat");
if(...)cout<<"ok";else cout<<"fail";
后,如果文件打开成功,显示“ok”,否则显示“fail”。由此可知,上面if语句的“...”处的表达式是( )。

A) outfile.fail()或outffle
B) outfile.good()或!outfile
C) outfile.good()或outfile
D) outfile.fail()或!outfile

题型:判断题

下列哪个阶段是杀害虫的最佳时期()

A.成虫期

B.卵期

C.蛹期

D.幼虫期

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