在项目建议书和可行性研究阶段编制、计算投资需要量时使用的一种定额,该定额一般以独立的单项工程或完整的工程项目为对象,编制和计算投资需要量时使用。这种定额是()。
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What is the main idea ofthe second paragraph?[A]Whathad happened during the boy's way to grandmother's house. [B]Whyhe didn't want grandmother to know about why his body was bruised. [C]Howthe boy was looking forward to that particular evening. [D]Thereasons why he was so curious about the life in the Renaissance.
What can a dog do for hismaster now?[A]Itcan go hunting with the master. [B]Itcan protect the master from animals. [C]Itcan protect the master from thieves.
某工地晚上20点进行混凝土工程施工,振捣棒的噪声值应该限制在()分贝。 A.75 B.62 C.70 D.55