问题
单项选择题
对边墙、翼墙、底板、梯形测流断面的护坡、护底等部位应定期检查，发现有（），应及时修复。
A、冲刷和淤积情况
B、有无松动、扭曲、错位等情况
C、淘空、冲刷、沉陷、错位等情况
D、有错位、变动等情况
答案
参考答案：C
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对边墙、翼墙、底板、梯形测流断面的护坡、护底等部位应定期检查，发现有（），应及时修复。
A、冲刷和淤积情况
B、有无松动、扭曲、错位等情况
C、淘空、冲刷、沉陷、错位等情况
D、有错位、变动等情况
参考答案：C
| 补全对话。 | |
| A: Where did you go? B: 1. A: It's not far from here. 2. B: I've never been there before. On the other hand, something special happened to me. A: Oh, what? B: I asked a stranger the way. But he said he would not help me. A: Well, how did you ask him? B: I asked, "3. " A: Ah! 4. A very direct question like this sounds impolite in English. B: Yeah, I realized this and asked another person in a polite way and got a perfect answer. A: You are great. 5.
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