根据《铁路旅客运输规程》的规定,儿童身高超过()时应买全价票。
A.1.2米
B.1.3米
C.1.4米
D.1.5米
参考答案:D
中危险级场所边墙型标准喷头配水支管上喷头的最大间距为()m。
A.3.6
B.3.0
C.4.4
D.4.2
_________ is known to us all is that the 2008 Olympic Games will take place in Beijing.
A.It
B.What
C.As
D.Which