运送人员时列车制动距离不得超过（）。
A.50m
B.40m
C.20m
D.10m
参考答案：C
----What does Mrs Li teach?
----She is______ English teacher, and she teaches ______ English very well.
A．our , us
B．us, us
C．our, our
D．us, our
拆除爆破施工公告包括哪些内容？
