【单选题】当一伸肌被过度牵拉时张力会突然降低,其原因是
【单选题】新生儿颅内出血烦躁不安、惊厥时应即给( )
【单选题】新生儿颅内出血烦躁不安、惊厥时应立即给()
【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】4 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 andconvenient.
D.
The mobile payment is friendly to our environment.
【单选题】What can be learned about Mr. Golvin according to Paragraph 5?
A.
He doubted about the positive effect of market competition.
B.
He pointed out flaws of the newly developed mobile payment system.
C.
He explained characteristics of a successful mobile wallet product.
D.
He paid more attention to the technology than to market reaction.
【单选题】Mobile payment can be used for daily shopping, dining and commuting.