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【多选题】
蓄电池日常维护工作有以下哪些项目是正确的：（）A.
消除灰尘，保持室内清洁
B.
及时检修不合格的老化电池
C.
记下蓄电池的运行状况
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】事故应急救援工作是在预防为主的前提下，贯彻（）、（）、（）、（）相结合的原则。其中（）是事故应急救援工作的基础。
【简答题】讨论并提交书面纪要:在我国各种所有制企业甚至质量非常重要的航空制造与修理企业中,质量成本的推行为什么都遇到困难?
【单选题】听力原文： Yesterday we discussed the problem of rising prices, or, in the economist' s terms, inflation. We noted that, during periods of inflation, all prices and incomes do not rise at the same rate. So...
A.
To introduce the concept of inflation.
B.
To discuss the causes of inflation.
C.
To review yesterday' s lecture on inflation.
D.
To argue in favor of inflation.
【单选题】粒细胞缺乏症,是指成熟粒细胞绝对值低于
A.
0.1×10 9 /L
B.
0.5×10 9 /L
C.
1.0×10 9 /L
D.
1.5×10 9 /L
E.
2×10 9 /L
【单选题】听力原文： Last week we discussed the problem of rising prices, or, in the economist's terms, inflation. We noted that, during periods of inflation, all prices and incomes do not rise at the same rate. Som...
A.
To introduce the concept of inflation.
B.
To discuss the causes of inflation.
C.
To review last week's lesson on inflation.
D.
To argue in favor of inflation.
【单选题】听力原文： Yesterday we discussed the problem of rising prices, or, in the economist's terms, inflation. We noted that, during periods of inflation, all prices and incomes do not rise at the same rate. Som...
A.
To introduce the concept of inflation.
B.
To discuss the causes of inflation.
C.
To review yesterday's lecture on inflation.
D.
To argue in favor of inflation.
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