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【单选题】
三相变压器,原、副绕组匝数比为K,当三相绕组Y/△及Y/Y连接时,则原、副边线电压之比分别是______。
A.
B.
3K,K
C.
,K
D.
K,
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举一反三
【单选题】Which of the following statements is true?
A.
The money did not reach the Fisher Bank.
B.
The money reached the wrong bank.
C.
The money reached the bank after he was arrested.
D.
The money reached the bank before he was arrested.
【多选题】图书馆参考咨询服务,主要包括以下哪些内容:
A.
解答读者询问
B.
推荐相关文献资料
C.
使用图书馆各种文献和设备的指引和帮助
D.
打印学习资料
【多选题】个人数字图书馆的主要服务功能包括以下哪些内容?( )
A.
书签功能
B.
最新信息推送功能
C.
智能代理和帮助检索功能
D.
有一定的数据挖掘功能
【单选题】The money which enables these companies to continue their projects is
A.
repaid to its original owners as soon as possible
B.
raised by the selling of shares in the companies
C.
exchanged for part ownership in the Stock Exchange
D.
invested in different companies in the Stock Exchange
【多选题】我校图书馆建设的首期学科服务平台包括以下哪些一级学科?
A.
生态学、林学
B.
生物学、风景园林学
C.
林业工程、土木工程
D.
汉语言文学、外国语言文学
【单选题】通常既不见于DNA又不见于RNA的碱基是
A.
腺嘌呤
B.
黄嘌呤
C.
鸟嘌呤
D.
胸腺嘧啶
E.
尿嘧啶
【单选题】通常既不见于 DNA 又不见于 RNA 的碱基是
A.
腺嘌呤
B.
黄嘌呤
C.
鸟嘌呤
D.
胸腺嘧啶
E.
胞嘧啶
【简答题】图书管理系统功能性需求说明如下:  (1)图书管理系统能够为一定数量的借阅者提供服务。每个借阅者能够拥有唯一标识其存在的编号。图书馆向每一个借阅者发放图书证,其中包含每一个借阅者的编号和个人信息。提供的服务包括:查询图书信息、查询个人信息服务和预定图书服务等。  (2)当借阅者需要借阅图书、归还书籍时需要通过图书管理员进行,即借阅者不直接与系统交互,而是通过图书管理员充当借阅者的代理和系统交互...
【单选题】The money which is charged by the insurance company is called .
A.
Cost
B.
Expense
C.
Tariff
D.
Premium
【单选题】The only difference is that a bank’s goods happen to be money which is yours in the first place.
A.
The only difference is that a bank deals with your money first of all.
B.
The only difference is that what a bank deals with is by chance money which is originally yours.
C.
The only difference is that a bank’s products are your money which is very important.
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