对于混凝土原材类的质量要求的说法,正确的有()。A.水泥进场时应对其品种、级别、包装

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问题:

对于混凝土原材类的质量要求的说法,正确的有()。

A.水泥进场时应对其品种、级别、包装或散装仓号、出场日期、强度、安定性及其他必要性能指标等进行检查

B.快硬硅酸盐水泥出厂超过二个月时,如保存条件良好,可暂不进行复验

C.钢筋混凝土结构、预应力混凝土结构中严禁使用含氯化物的水泥

D.预应力混凝土结构中,严禁使用含氯化物的外加剂

E.钢筋混凝土结构中可使用含氯化物的外加剂,但混凝土中氯化物的总含量应符合现行国家标准和设计的要求

考点:建筑工程建筑工程主体结构工程的相关标准建筑工程主体结构工程的相关标准题库
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风车转,单词现。

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Americans’ (1) impulses keep generating surprises. Charitable giving plays an even larger role in the (2) . Demand for nonprofit services gets proportionately bigger as a locality’s (3) rises. The philanthropy of the wealthy may not hinge on tax (4) to the degree many believe. The US (5) the world in levels of charitable activity. Some experts see charity as a (6) trait of the US, more than (7) or business. But those forces may be (8) , as many nonprofits, from healthcare to classical music are selling (9) in a marketplace alongside for-profit (10) . Charity is no mere (11) activity. It pays off for society in ways that may (12) the rates of return on many traditional investments. Charity not only helps those on the (13) end but also strengthens the (14) of society at large. Moreover, it appears to make the givers themselves more (15) . The pattern that conservatives are better givers than (16) is less about politics than about charity-linked (17) most common to conservatives, religious commitment, marriage and children, and entrepreneurship. The main point is that more Americans, regardless of ideology, embrace giving as a tool for (18) . The urge to make a difference, and to take (19) in it, outweighs (20) considerations.

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一条最长的短信息约占多少byte?

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下述胃腺体细胞的基本功能错误的是()。

A.黏液细胞分泌黏液

B.壁细胞分泌内因子

C.壁细胞分泌胃泌素

D.壁细胞分泌盐酸

E.主细胞分泌胃蛋白酶原

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下列对工程造价资料的运用中不正确的是( )。

A.用作编制施工图预算的依据
B.用作编制投资估算的重要依据
C.用作编制初步设计概算和审查施工图预算的重要依据
D.用作技术经济分析的基础资料

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