路面基层的类型中，( )适用于各级公路路面的底基层，可作二级_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题

路面基层的类型中，( )适用于各级公路路面的底基层，可作二级和二级以下公路的基层，但不应用作高级路面的基层。

A．石灰稳定土基层
B．石灰工业废渣稳定土基层
C．填隙碎石基层
D．级配碎石基层

答案

参考答案：A

单项选择题

上颌中切牙的唇面线与眶耳平面的交角约为

A．15°
B．60°
C．70°
D．80°
E．140°

补全对话，情景问答

请从方框中选择适当的句子补全对话。

A. What's his name?
B. How do you spell it?
C. What's that, Gina?
D. How are you?
E. Oh, is this boy your brother?

Mike: Hello, Gina! 1______
Gina: Fine, thank you. And you?
Mike: I'm fine, too. 2______
Gina: It's a photo, my family photo.
Mike: 3______
Gina: No, he isn't. He is my cousin.
Mike: 4______
Gina: His name is Frank.
Mike: 5______
Gina: F-R-A-N-K.
Mike: Thank you.