某城市桥梁工程下部结构施工中，对现浇混凝土墩台的施工进行了模板配置、支架搭拆、钢筋绑扎、混凝土浇筑等环节的工作。绘制了模板总装图，但是在验算模板挠度时，发现结构表面外露的模板挠度大于模板构件跨度的1/400，为了不影响模板过度变形，负责人只好重新配置模板
搭拆扣件式钢管脚手架()是第一位的。
A.技术
B.时间
C.长度
D.安全
参考答案：D
根据句子意思，从方框中选用恰当的单词或短语填空。
小题1:You can take two pills ____________. 小题2:I _________ outside the door for two hours yesterday. 小题3:She ________ for her family by selling newspapers when she was ten years old. 小题4:The soldier __________ when he tried to save the boy in the river. 小题5:It’s difficult for wild animals to survive because of the _________. 小题6:It _______ yesterday, so the land is all white. 小题7:Don’t _______ the light. It is too dark. 小题8:The thieves tried to run away, but _______ we caught them. |