问题
多项选择题
地下连续墙成槽之前先筑导墙，其作用是（）
A.成槽导向
B.防止槽口土塌方
C.测量基准
D.支撑槽口
E.墙体结构的一部分
答案
参考答案：A, B, C
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地下连续墙成槽之前先筑导墙，其作用是（）
A.成槽导向
B.防止槽口土塌方
C.测量基准
D.支撑槽口
E.墙体结构的一部分
参考答案：A, B, C
| 补全对话，情景问答。 | |
Student: 1 Teacher: 2 Student: I usually get up at 6:30. Teacher: Well. What time do you usually leave home? Student: 3 Teacher: Why not come a little earlier? Student: Sorry, I can't. Teacher: 4 Student: Mother's ill in bed. So I have to look after her and give her medicine at the right time. 5 Teacher: I know. You're a good boy! 1._____2._____3._____4._____5.______ |