夜间在城市道路超车前要鸣喇叭示意前车，待前车让行后从左侧超越。
参考答案：错
This is _______ room. The twin sisters like it very much. [ ]
A. Lucy's and Lily's
B. Lucy's and Lily
C. Lucy and Lily's
离心泵与柱塞泵的区别有哪些？
