-_______ is it?
-It's six thirty. [ ]
A. When
B. What colour
C. What time
答案：C
请写出中国电信至少四种接入互联网的业务163窄带、（）、LAN、（）。
At times, worrying is a normal, ________ response to a difficult event or situation --- a loved one being injured in an accident, for example.
A．effective
B．individual
C．inevitable
D．unfavorable
