关于预制构件运输说法正确的是（）
A.构件运输前，构件厂应与建设单位负责人沟通，制定构件运输方案
B.根据施工现场的吊装计划，应提前将现场所需型号和规格的预制构件发运至施工现场
C.超宽、超高等构件，需公路运输时，应事先办理准运手续
D.构件运输过程中，不得使构件变形、损坏
E.装卸场地应进行硬化处理，能承受构件堆放荷载要求
参考答案：B, C, D, E
| 综合填空。 根据短文大意和语境选择方框内的单词，并用其正确的形式填入空白处（每空填一词），使补全 后的短文意思通顺，语法正确，结构完整。 | |
1_____ was like. She asked her students, "Could you say something more about water?" No one answered for a few 2_____. Miss. Lee asked again, "Why don't you answer my questions?" Just then a boy 3_____ his hand and said, "Miss. Lee, you told us that water has no colors and no smells. But where to find such water? The water in the river behind my house is always black and it has a bad smell." "Yeah, that's true!" Most of the children agreed 4_____ him. "I'm sorry, children," said the teacher. "Our water is getting dirtier and dirtier. That's really a 5_____ problem. What should we do to make the river clean?" |