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4,在上海举办的中国零售业高峰论坛上,C2C 电子商务网站淘宝网荣膺十大经营案例。此次,淘宝网以59%的业内人士支持率,压倒沃尔、国美等对手,成为年度中国零售业最具影响力案例。网站说明中国电子商务发展已经对传统商业造成一定影响。论坛上,淘宝网凭借优异表现和强烈冲击,让在场的传统零售巨鳄不由心生“狼来了”的感慨。 2003 年以来,国内网上销售形式起了变化:由于各网站资信层次不一,激增的新网民急需一个第三方的认证,以避免和减少网络欺诈和商务陷阱。阿里巴巴2003 年4 月创办的淘宝网现跃居国内C2C(个人对个人)首位。淘宝的用户群主体为18 至35 岁的城市中青年人。淘宝网占据了中国C2C市场销售的41%。淘宝近期电视广告“克隆”了《天下无贼》中的片段——傻根说:“有支付宝,没贼!”。目前已经有很多淘宝和阿里巴巴以外的用户使用支付宝。 淘宝作为阿里巴巴旗下网站,正成为中国电子商务C2C 模式的代表。淘宝在注册时身份认证更为严密,采用实名认证,符合我国国情,淘宝的作用相当于电子商城平台及“放心称”,在支付宝交易中为买卖双方提供企业信用担保,并根据交易结果由双方自主进行评价,确定星级建立个人信用指数。因而淘宝现在的人气最旺、服务较好,建站方便,入驻者日益增多,前景看好。 问题: (1)相对于传统的零售行业而言,淘宝网有哪些优势? (2)请画出用支付网上支付的流程图?
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【单选题】Which one of the following is not safety precaution?
A.
The safety cap.
B.
B Safety shoes
C.
C The jacket
D.
D Working clothes
【单选题】Which one of the following is true of both eukaryotic and prokaryotic gene expression and would therefore not be an effective target for drug development?
A.
After transcription, a 3 ′ -poly(A) tail and a 5 ′ -cap are added to mRN
B.
Translation of mRNA can begin before transcription is complete.
C.
mRNA is synthesized in the 3 ′ -to-5 ′ direction.
D.
RNA polymerase binds at a promoter region upstream of the gene.
E.
Mature mRNA is always precisely collinear to the gene from which it was transcribed.
【单选题】NASA is releasing several images taken by the Hubble Space Telescope, which is the closest yet look at the red planet. Altogether there are four images, which show the entire planet. Each view shows t...
A.
Vague.
B.
Clear.
C.
Cannot be seen.
D.
Barely visible.
【简答题】软件测试与调试的主要区别是什么?
【单选题】Which one of the following statements about catabolite-regulated operons is false?
A.
cAMP receptor protein (CRP) and catabolite activator protein (CAP) are different names for the same protein.
B.
when glucose is present in the cell cAMP levels fall.
C.
CRP binds to cAMP and as a result activates transcription.
D.
CRP binds to DNA in the absence of cAMP.
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