【简答题】世界旅游日为( )月( )日 中国旅游日为( )月( )日
【单选题】Which of the following statements is NOT true according to the text?
A.
All kinds of phones can be used to pay for bills.
B.
Mobile commerce industry is developing fast in China.
C.
The author found that the mobile payment is very easy and convenient.
D.
The mobile payment is friendly to our environment.
【单选题】由N个用户组成的物理全互连通信网 , 包含了的双向通信子系统个数有( )个。
【单选题】由N个用户组成的物理全互连通信网 , 包含了的双向通信子系统个数有( )
【单选题】2011年4月12日 国家旅游局召开”中国旅游日"新闻发布会,确定自2011年每年()为“中国旅游日”。
【单选题】Which one of the following statements is NOT true according to the text?
A.
All kinds of phones can be used to pay for bills.
B.
Mobile commerce industry is developing fast in China.
C.
The author found that the mobile payment is very easy and convenient.
D.
The mobile payment is friendly to our environment.
【判断题】( )电子商务的特点主要有用户广泛、人性化、灵活付费、随时随地、安全可靠、资源丰富等。