皮皮学,免费搜题
登录
搜题
【多选题】
电子商务系统发展的第三阶段呈现的特点包括( )。
A.
系统与企业内部的信息系统形成一个整体
B.
电子商务系统的逻辑结构呈现出清晰的层次结构
C.
没有将资金、商务及信息集成在一起
D.
CA中心、支付网关的建立使在线交易具备了安全的环境
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【判断题】Language, a very powerful, complicated mechanism, is the most common method of communication.
A.
正确
B.
错误
【简答题】EDTA与金属离子形成配合物的特点
【多选题】EDTA与金属离子形成配合物的特点()
A.
经常出现逐级配位现象
B.
形成配合物易溶于水
C.
反应速率非常慢
D.
形成配合物比较稳定
【简答题】Many cancer patients are finding new hope in an unusual approach to cancer treatment. The common method has been developed by Carl Simonton, a specialist in the science of tumors. 1 can sometimes be '...
【单选题】People have given up pictographic method to create new characters. However, it is very common to use a pictographic character as a ______ in the creation of compound characters.
A.
meaning element
B.
phonetic element
C.
sound clement
D.
pictorial element
【多选题】The fertility specialist might choose surgery as a means of infertility treatment for women in following scenarios:
A.
Damages or blocks to fallopian tube
B.
Women suffering from endometriosis, if the medical treatment using drugs is ineffective
C.
A less commonly used surgical method to treat PCOS is ovarian wedge resection which has very high risks associated with it, including scarring of ovary
D.
The most common surgical procedure to treat PCOS is called laparoscopic ovarian drilling (LOD) which is a relatively non invasive procedure very similar to laparoscopy.
【单选题】Odd pricing method is a common retail tactic which ___________.
A.
is often used with very expensive items
B.
is only effective on potential car customers
C.
is the most popular way of pricing a product
D.
is the most effective way of selling low priced products
【单选题】如果旅游团和琪领队提出对活动日程做重大修改的要求,并可能导致旅游接待计划发生较大变动或涉及接待规格的变动,原则上地陪应予()
A.
婉言拒绝
B.
高度重视
C.
积极响应
D.
严词拒绝
【单选题】电动机外加电压U与感应电动势E的关系
A.
U>E
B.
U<E
C.
U=E
D.
不确定
【单选题】如果旅游团 ( 者 ) 或其领队提出对活动日程做重大修改的要求,并可能导致旅游 接待计划发生较大变动或涉及接待规格的变动,地陪应()。
A.
婉言拒绝
B.
高度重视
C.
积极响应
D.
严词拒绝
相关题目: