皮皮学，免费搜题
登录
搜题
【单选题】
下列说法正确的是A.
“卖方应按规定负责做好售后服务，包括有关的使用培训和维修服务”，这些行为属于“交易后处理”阶段
B.
电子合同只能采用电子邮件方式签定
C.
电子商务一般的交易过程中，“交易双方和中介方，彼此之间需要实时完成相应的手续，交换有关的电子票据和电子单证。”，这些行为属于“交易前准备”阶段
D.
电子商务的交易全部都在网络上进行，因而能够实现高效率、低成本的目标。
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】Miss Li ___ as a secretary for five years in the company, and now she is general manager of it.
A.
has served
B.
had served
C.
served
D.
serves
【单选题】Suppose are two distinct particular solutions of the non-homogeneous linear equation . How many judgments in following are correct? (i) is general solution (ii) is general solution (iii) is general ...
A.
0
B.
1
C.
2
D.
3
【单选题】Through years of hard work, Mrs. Smith, who ____ as a secretary for five years, is general manager of the company now.
A.
serves
B.
served
C.
has served
D.
had served
【简答题】财政政策对增加均衡国民收入效果较好的条件是什么？
【简答题】交流工频安全电压的上限值是指在任何情况下,两导体间或任一导体与地之间的电压都不得超过()V。
【简答题】财政政策对增加均衡国民收入效果较好的条件是什么?
【单选题】Choose the right structure of the computer which is general used，such as PC8086，Z-80， IBM360/3
A.
Single Instruction Single Data
B.
Single Instruction Multiple Data
C.
Multiple Instruction Single Data
D.
Multiple Instruction Multiple Data
相关题目：
参考解析：
知识点：
题目纠错 0
发布
