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【单选题】
对岩粉的要求 是：游离Si02含量不超过( )。A.
0.02
B.
0.05
C.
0.1
D.
0.15
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反馈参考答案：
举一反三
【简答题】英译汉 以下句子都是高考真题中出现过的句子,请将其翻译成汉语,尤其注意划线词汇在句子中的含义。 1. — When did the computer crash ? — This morning, while I was sorting the reading materials downloaded from some websites. 2. Car drivers have to obey ...
【单选题】Car drivers have to obey traffic regulations that tell them the right things to do on the road to avoid crashes. Cyclists who give signals before turning or stopping help prevent .
A.
accidents
B.
mistakes
C.
falls
D.
deaths
【简答题】概算定额的编制依据有（ ）。
【单选题】The long run is distinguished from the short run because only in the long run
A.
output prices can vary.
B.
factor of production prices can vary.
C.
the quantities of all factors of production can be varied.
D.
the firm no longer maximizes its profit.
【简答题】下列选项中，不属于概算定额的编制依据的是（ ）。
【单选题】While _______ driver’s licenses in China, new car drivers will have to fill out a body part donation form, which is _______ for some drivers-to-be.
A.
applying for; disturbed
B.
apply for; disturbed
C.
applying for; disturbing
D.
applying to; disturbing
【简答题】下列不属于概算定额的编制依据的是（ ）。
【简答题】概算定额的编制依据有（ ）。
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