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要改变对水资源“取之不尽、用之不竭”的观念，要从传统的“以需定供”转为“以供定产”，注重水资源节约、保护和配置()

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柱砖排砖时应使柱上下皮砖的竖缝相互错开 1/2 砖或 1/4 砖长。()

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When the sentence "They had made a mess of the house." is turned into passive voice, which

A mess had been made in the house.
B. A mess had been made by them.
C. The house had been made a mess of.
D. The house had been made a mess..