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【多选题】
下列关于骨料的品质要求正确的有______。A.
细骨料应质地坚硬、清洁、级配良好
B.
细骨料在开采过程中应定期或按一定开采数量进行碱活性检验
C.
细骨料的含水率应保持稳定，人工砂饱和面干的含水率不宜超过6%，必要时应采取加速脱水措施
D.
粗骨料的最大粒径：不应超过钢筋净间距的2/3、构件断面最小边长的1/4、素混凝土板厚的1/2
E.
应严格控制各级骨料的超、逊径含量。以筛检验，其控制标准：小于5%，逊径小于15%
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举一反三
【简答题】阅读理解。 When Mencius (孟子) was a small boy, his father died. So Mencius and his mother were quite poor. One day, Mencius returned home from school and found his mother some cloth. It was very beau...
【单选题】同一企业不同时期发生的相同或类似的交易所采用的会计政策，( )。
A.
应当一致，不能任意变动
B.
根据需要可随时变动
C.
经财税部门批准才能变动
D.
在任何情况下不能变动
【单选题】it can be learned from Para. 4 that______.
A.
Straitford's prediction about Ukraine has proved true
B.
Straitford guarantees the truthfulness of its information
C.
Straitford's business is characterized by unpredictability
D.
Straitford is able to provide fairly reliable information
【单选题】Beth could______her coat easily because it has large red buttons.
A.
justify
B.
identify
C.
prove
D.
test
【单选题】Spokesman has that there is no Chinese crew on the ship hijacked by Somali pirates.
A.
confirmed
B.
proved
C.
confused
D.
refused
【单选题】Presumably, excessive consumption of fried foods has serious consequences as has been proved.
A.
Theoretically
B.
Practically
C.
Incredibly
D.
Probably
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