河北开放大学大学英语（专）单元学习检测5最新答案

判断题
1(20分)、
20
You use the sentence pattern “May I…” to make polite requests.
A、正确
B、错误
2(20分)、
20
The code (准则）of service sector is to serve the customers.
A、正确
B、错误
3(20分)、
In western countries, you can talk about anyting in the office such as topics about weather,politics and religion.
A、正确
B、错误
4(20分)、
20
In America and some Europian countries, if you want hitchhiking(搭车）, you can hold your thumb up.
A、正确
B、错误
5(20分)、
20
Ground floor in America is level with the ground outside(地面一层）.
A、正确
B、错误