对于同一处临时限速，列控中心要向一个或几个应答器发送临时限速报文
参考答案：对
The new stadium（体育场） being built for the next Asian Games（亚运会） will be ________ the present（现在的） one.
A．as three times big as
B．three times as big as
C．as big as three times
D．as big three times as
怎样确定开放出站信号机的时机？
