问题
多项选择题
以下哪些属于隧道的检查重点：（）
A、衬砌裂缝、风化、腐蚀、压溃、剥落、掉块（可用分格、安设测标检查）。
B、道床基底沉陷。
C、洞口边仰坡崩塌落石、滑坡，边坡防护设施损坏。
D、隧道内排水设施、出入口的天沟、吊沟、截水沟排水和淤积情况。
答案
参考答案：A, B, C, D
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以下哪些属于隧道的检查重点：（）
A、衬砌裂缝、风化、腐蚀、压溃、剥落、掉块（可用分格、安设测标检查）。
B、道床基底沉陷。
C、洞口边仰坡崩塌落石、滑坡，边坡防护设施损坏。
D、隧道内排水设施、出入口的天沟、吊沟、截水沟排水和淤积情况。
参考答案：A, B, C, D
| 补全对话。 从方框中选择最佳选项完成对话，有两项多余。 | |
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| A: Jack, I hear that you've just come back from Beijing. 1._____ B: Oh, it's fantastic. It's one of the most interesting places I have ever seen. A: 2._____ B: I went to many places, but I'm interested in the Great Wall most. A: Could you tell me something about it? B: Well, it is one of the greatest wonders of the world. A: 3._____ Tell me some more about it. B: 4._____ It's about 4, 000 miles long and it looks very wonderful. A: 5 ._____ B: It's about 2, 600 years old. |