箱型基础的大体积混凝土施工设后浇缝带时,若基础的混凝土强度等级为C30,则后浇缝带处的混凝土强度等级应为()。
A.C25
B.C30
C.C35
D.C40
参考答案:C
35. ---I’m sorry I’m late. I got held up in the traffic on my way here.
---___________________.
A.Don’t be late next time
B.You should be blamed
C.It doesn’t matter. I’m also late
D.Never mind. Come and sit down
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