用“is”或“are”填空。

1. There ___________ a mirror, a bed and a big closet in my room.

2. There___________  two bedrooms, a kitchen, a bathroom and a living room in the rabbits' new flat.

3. There ___________ white curtains in front of the windows.

4. There ___________ a picture over the bed.

5. Zip and Zoom ___________ walking along the riverbank.

路面设计中对强度要求最高的部位是( )。

A．面层

B．基层

C．垫层

D．路基