问题
多项选择题
在混凝土浇筑时，要求做好（）
A、防止离析
B、不留施工缝
C、正确留置施工缝
D、分层浇筑
E、连续浇筑
答案
参考答案：A, C, D, E
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在混凝土浇筑时，要求做好（）
A、防止离析
B、不留施工缝
C、正确留置施工缝
D、分层浇筑
E、连续浇筑
参考答案：A, C, D, E
| 用下列地点介词填空完成短文。 | |
3____________ our house there is a big school. 4____________ our house is Jim's house. Jim is a good friend of mine. At the moment we're sitting 5____________ my room. Jim is sitting 6____________ a chair and I am sitting 7____________ the floor. 8____________ me there are a lot of magazines. 9____________ the wall there are some pictures of me, my friends and my family. The sun wakes me up in the morning. I like living 10____________ this area. |