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【单选题】
(2011.3.4)设 是3阶矩阵,将 的第二列加到第一列得矩阵 ,再交换 的第三行和第二行得单位矩阵 ,记 , 则 ( )
A.
;
B.
;
C.
;
D.
.
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【简答题】跨境电商的英文名称是( ) A 、 cross-border commerce B 、 cross-border trade C 、 cross-border electronic commerce D 、 cross-border communication
【多选题】What is cross-border e-commerce?
A.
In a narrow sense, cross-border e-commerce is almost equal to cross-border retailing.
B.
In a broad sense, cross-border e-commerce equals to electronic foreign trade.
C.
Cross-border e-commerce is domestic e-commerce.
D.
Cross-border e-commerce is internatioanl e-commerce.
【单选题】Which one of the following is the first cross-border e-commerce comprehensive pilot area in China?
A.
Hangzhou Cross-Border E-Commerce Comprehensive Pilot Area
B.
Shanghai Cross-Border E-Commerce Comprehensive Pilot Area
C.
Beijing Cross-Border E-Commerce Comprehensive Pilot Area
D.
Chengdu Cross-Border E-Commerce Comprehensive Pilot Area
【多选题】Which of the following are among the second group of Cross-border e-commerce comprehensive pilot areas?
A.
Hangzhou Cross-border E-commerce Comprehensive Pilot Area
B.
Shanghai Cross-border E-commerce Comprehensive Pilot Area
C.
Chengdu  Cross-border E-commerce Comprehensive Pilot Area
D.
Tianjin Cross-border E-commerce Comprehensive Pilot Area
【单选题】角钢大小可用号数表示,其数值表示角钢的边长,单位为cm,如3号角钢表示边长为mm的等边角钢。
A.
30
B.
3
C.
300
D.
150
【单选题】2006年年底,国姿委出台《关于推进国有资本调整和国有企业重组指导意见》,明确了161户中央企业国有资本的调整路线图,提出要合理收缩中央企业的分布范围,推进国有资本向关系国家安全、国民经济重要行业和重大基础设施等六大领域集中,这中调整( ) (1)有利于增强国有经济在关键领域的控制力 (2)有利于国有资产质的提高 (3)有利于国有资产在社会总资产中占优势 (4)有利于巩固国有经济的主体地位
A.
(1)(3)
B.
(1)(2)
C.
(2)(4)
D.
(3)(4)
【单选题】以下关于压疮的误区错误的是( )
A.
气垫圈
B.
局部按摩
C.
90度翻身
D.
气垫床
【简答题】What are the articipants in cross-border E-commerce?A. Enterprises that build their own websites or operate cross-border e-commerce B. Cross-border e-commerce enterprises C. Cross-border e-commerce th...
【单选题】2006年年底,国资委出台《关于推进国有资本调整和国有企业重组指导意见》,明确了161户中央企业国有资本的调整路线图,提出要合理收缩中央企业的分布范围,推进国有资本向关系国家安全、国民经济重要行业和重大基础设施等六大领域集中,这种调整( )。 1有利于增强国有经济在关键领域的控制力 2有利于国有资产质的提高 3有利于国有资产在社会总资产中占优势 4有利于巩固国有经济的主体地位
A.
①③
B.
①②
C.
②④
D.
③④
【简答题】Cross-border E-commerce (1) 1. Introduction to Cross-border E-commerce Cross-border e-commerce can be defined in both broad and narrow sense. In a narrow sense, cross-border e-commerce is almost equal...
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