问题
单项选择题
砌体结构工程施工质量验收规范（GB50203-2011）：砖砌体工程，砖过梁底部的模板，应在灰缝砂浆强度不低于设计强度的（）时，方可拆除
A.60%
B.80%
C.50%
D.75%
答案
参考答案：C
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砌体结构工程施工质量验收规范（GB50203-2011）：砖砌体工程，砖过梁底部的模板，应在灰缝砂浆强度不低于设计强度的（）时，方可拆除
A.60%
B.80%
C.50%
D.75%
参考答案：C
| 根据词语表上的词填写下列空格。 | |
" May I have an apple? " "No! "the tree said. Danny was 4___________. He 5__________ on the tree, but he 6__________ and 7__________ his fingers. " Ouch! " he said. Then he 8__________ to his house. His mum 9__________ his fingers. " What 10__________? " She asked. Danny told her everything. |