问题
单项选择题
路面层主要包括()等。
A、路基、面层、垫层
B、面层、基层、明沟
C、面层、雨水井、垫层
D、面层、基层、结合层、垫层
答案
参考答案:D
路面层主要包括()等。
A、路基、面层、垫层
B、面层、基层、明沟
C、面层、雨水井、垫层
D、面层、基层、结合层、垫层
参考答案:D
选择恰当的句子完成对话(有一项多余). | |
B: I'm here, mom, in the bedroom. A: (2) ______ B: I'm reading a book. A: Where is your sister? B: (3) ______ A: What is she doing? B: (4) ______. I think she is watering the flowers (浇花). A: Could you please come here? I want some help. B: OK! Mom. (5) ______ |