问题
单项选择题
探放老窑水、陷落柱水和钻孔水时，探水钻孔成组布设，并在巷道前方的（）内呈扇形水平面。
A、竖直面
B、水平面
C、水平面和竖直面
D、水平面或竖直面
答案
参考答案：C
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探放老窑水、陷落柱水和钻孔水时，探水钻孔成组布设，并在巷道前方的（）内呈扇形水平面。
A、竖直面
B、水平面
C、水平面和竖直面
D、水平面或竖直面
参考答案：C
Do you know “homestay”? What is a homestay? When you go to another 1 , you can live in a local 2 as a member of the family. This is called a homestay. It’s a great experience (经历) 3 you can learn more about the country and its people. I’m Lily from 4 . I came to study in Canada with some English teachers. We are living 5 an old Canadian couple (夫妇), Mr. and Mrs. Green. They have a wonderful five-bedroom house. And I have a bedroom of 6 there. They also have two bathrooms and a 7 with many beautiful flowers and big trees. Mrs. Green 8 does the housework. She does the laundry (洗衣) and cooks meals for us. At the weekend, my friends and I cook some Chinese food for the couple sometimes. They are very happy and they think 9 tastes good. We also celebrated the Canadian festivals with them and get to know 10 about their culture and custom (文化和风俗).
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