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为了有效的控制工程项目的施工进度，施工根据工程项目的A.
97. 为了有效的控制工程项目的施工进度，施工根据工程项目的特点和施工进度控制的需要，编制（ ）。 A. 项目动用前准备阶段的工作计划
B.
年度、季度、月度和旬施工计划
C.
采购计划、供货进度计划
D.
设计准备工作计划、设计进度计划
E.
控制性、指导性和实施性的施工进度计划
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【简答题】中温回火的温度是（ ）A. A．150~250 ℃ B．350~500 ℃ C．500~600 ℃ D．250~350 ℃
【单选题】Little _____ about A-H1N1 so far, so there is no doubt that many people are afraid when talking about the disease. [ ]
A.
did scientists know
B.
scientists have known
C.
have scientists known
D.
had scientists known
【简答题】中温回火的温度是（），中温回火后的组织为（）。
【单选题】Where Have All the Bees Gone? ?? Scientists who study insectshave a real mystery on their hands. All across the country, honeybees areleaving their hives and never returning. Researchers call this phe...
A.
Honeybees are flying all across the country
B.
25-40 percent of the honeybees in the US have died
C.
Honeybees are leaving their hives and do not return
D.
Honeybee hives are in disorder
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