问题
单项选择题
当室内地面垫层为混凝土等密实材料时，防潮层设在垫层厚度中间位置，一般低于室内地坪（）。
A.30mm
B.60mm
C.120mm
D.180mm
答案
参考答案：B
搜题请搜索小程序“爱下问搜题”
当室内地面垫层为混凝土等密实材料时，防潮层设在垫层厚度中间位置，一般低于室内地坪（）。
A.30mm
B.60mm
C.120mm
D.180mm
参考答案：B
| 用方框中所给单词的适当形式填空，使短文通顺、正确、连贯（每个单词限用一次）。 | |
| |
| Manners are important in every country, but people have different 1 bout their manners. What is good in one country may not be 2 in another. Chinese people are 3 to know the fact that an Englishman doesn’t stop to talk and shake hands with his friend in the street. They just say hello 4 each other and then pass on. English people think 5 we Chinese end our visits to friends all of a sudden. They usually begin to 6 that they want to go 15 or 20 minutes before they leave their 7 house. And they do this two or three 8 within 20 minutes. It is important 9 people to understand each other. Here is a 10 , "When in Rome, do as the Romans do." |