在尽头线调车时,距线路终端应有大于()的安全距离。
A、10m
B、15m
C、20m
D、5m
参考答案:A
The boat _____ like a duck. [ ]
A. isn't look
B. don't look
C. doesn't look
D. doesn't looks
2004年我国《宪法修正案》对完善私有财产保护有哪些新规定?