问题
多项选择题
土石坝防渗处理中，上游截渗的基本方法有( )
A．黏土斜墙法
B．抛土和放淤法
C．灌浆法
D．导渗沟法
E．防渗墙法
答案
参考答案：A,B,C,E
解析： 土石坝防渗处理中上游截渗方法有：黏土斜墙法、抛土和放於法、灌浆法、防渗墙法、截水墙(槽)法。
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土石坝防渗处理中，上游截渗的基本方法有( )
A．黏土斜墙法
B．抛土和放淤法
C．灌浆法
D．导渗沟法
E．防渗墙法
参考答案：A,B,C,E
解析： 土石坝防渗处理中上游截渗方法有：黏土斜墙法、抛土和放於法、灌浆法、防渗墙法、截水墙(槽)法。
| 用所给方框中的单词填空。 | |
B: Er..., I was going home _____________ a meeting. A: What _____________? B: A parents' meeting at school. A: I see. OK, Mrs Black, what were you doing at eight yesterday evening? C: I was _____________ late. A: Working? At eight o'clock in the evening? C: Yes. There were about ten _____________ us there last night. We were working late. A: OK, now, Mr Brown, what were you doing at eight _____________ last night? D: Um, I was _____________ TV _____________ my wife. A: I see, oh, where _____________ your wife, please? Can I _____________ to her? D: Sorry, she isn't here today. She _____________ to England yesterday. |