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【多选题】
《硅酸盐水泥、普通硅酸盐水泥》(GB 175—1999)规定,凡( )中不符合本标准规定或混合材料掺加量超过最大限量和强度低于商品强度等级指标时为不合格水泥。
A.
细度
B.
时间
C.
终凝时间
D.
安定性
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皮皮学刷刷变学霸
举一反三
【单选题】The monitoring function may serve all of the following purposes except
A.
instigating corrective action
B.
indicating values of controlled variables
C.
warning of off-limit conditions
D.
providing record of performance
【单选题】已知某商品的需求函数为 ,则 时的需求弹性为( )
A.
1.5
B.
-1.5
C.
-1.0
D.
1.0
【多选题】“时代新人”的理想人格是( )。
A.
有复兴民族大业的担当精神
B.
较高的身体素质
C.
有崇高的理想
D.
具备履行时代责任的过硬本领
【单选题】已知某商品的需求函数为 ,则 时的需求弹性为( )
A.
0.4
B.
0.2
C.
-0.5
D.
0.5
【单选题】To avoid scavenge fires _____ the engine timing and equipment maintenance should be correctly carried out.
A.
occurred
B.
occurring
C.
not happening
D.
occur
【单选题】The primary purpose of the passage as a whole is to______
A.
question an explanation
B.
correct a misconception
C.
critique a methodology
D.
discredit an idea
E.
clarify an ambiguity
【多选题】时代新人的理想人格是()
A.
有崇高的理想
B.
具备履行时代责任的过硬本领
C.
有复兴民族大业的担当精神
D.
较高的身体素质
【单选题】The professor has finished ______ the students' papers.
A.
to correct
B.
in correcting
C.
correcting
D.
being corrected
【简答题】混凝土的收缩 — 原因及特点
【单选题】Marine B(s)/L perform. a number of functions, which of the following is not correct? ( )
A.
evidence of the contract of carriage
B.
receipt for the goods shipped
C.
document of title to the goods
D.
non-negotiable document
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