抹楼梯防滑条时，要比楼梯踏步面______。A．高3～4mm B．高10mm C．低_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

抹楼梯防滑条时，要比楼梯踏步面______。

A．高3～4mm

B．高10mm

C．低1～2mm

D．低3～4mm

答案

参考答案：A

补全对话，情景问答

情景反应，从Ⅱ栏中选出Ⅰ栏各句的应答语。

                     Ⅰ
( )⒈ Who is the letter from?
( )⒉ Do you like English?
( )⒊Where does Tom live now?
( )⒋What does the man do?
( )⒌ May I take your order?

        Ⅱ
A He lives in Guizhou..
B. Rice and chickens, please.
C. It's from my friend.
D. He is a driver.
E. Yes, I like it very much.

单项选择题

下列（）不属于替代品。

A.牛肉和猪肉

B.火车票和飞机票

C.鲜奶和奶粉

D.汽车和房屋