问题
单项选择题
堆石坝坝体中,垫层区要求压实后内部渗透稳定,渗透系数为()cm/s左右。
A.1×10-3
B.1×10-4
C.1×10-5
D.1×10-6
答案
参考答案:A
堆石坝坝体中,垫层区要求压实后内部渗透稳定,渗透系数为()cm/s左右。
A.1×10-3
B.1×10-4
C.1×10-5
D.1×10-6
参考答案:A
选择句子,补全对话。 | |
A: Hi, Linda. Whose house is this? 1_____ B: Yes, it is. A: Oh, it's very nice. 2_____ B: There is a small garden. There are many trees in it. A: Oh, there are many trees beside the house, too. Wow! 3_____ B: You're right. On the first floor there is a living room and two bedrooms. On the second floor there is a kitchen, a dining room and a study. A: 4_____ B: There is a computer, a book case and a desk in the study. There are also some flowers on the table. A: 5_____ B: There are two pictures on it. A: Oh, I think it's good. I'll go to see it one day.
|