【单选题】O2O 模式与 B2C 模式的区别在于( )
A.
O2O 模式是消费者在线上购买商品与服务后,必需去线下享受服务
【单选题】如要关闭Excel中的工作簿,但又不想退出Excel,可以单击( )
【单选题】O2O模式与 B2C 模式的区别在于( )。
A.
O2O 模式是消费者在线上购买商品与服务后,需去线下享受服务
【单选题】在进行B/S架构的系统A性能测试的时候,单用户进行B操作性能表现正常,但是当并发用户是2个的时候,会出现系统不响应的情况,最有可能的问题是( )。
【单选题】O2O 模式与 B2C 模式的区别在于( )。
A.
O2O 模式是消费者在线上购买商品与服务后,必需去线下享受服务
【简答题】取样必须具有()、()和()等三性,做到均匀、合理。
【单选题】At one time it was the most important city in the region—a bustling commercial center known for its massive monuments, its crowded streets and commercial districts, and its cultural and religious inst...
A.
Teotihuacan, once the home of 200,000 people, was the center of a large empire.
B.
Teotihuacan, once a major metropolitan area, was destroyed by an invasion.
C.
A still unsolved mystery is why the people of Teotihuacan suddenly abandoned their city.
D.
Many archaeologists are fascinated by the ruins of a pre-Columbian city called Teotihuacan.
【简答题】The city is at once both modern and ancient.