【判断题】
活性余氯对树脂的污染是不可逆转的。
A. 对
B. 错
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答案
A
解析
暂无解析
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两台或两台以上不同型号离心泵并联运行，是基于各泵扬程范围比较接近的基础上，否则将找不出具有相等能量的并联工作起点，出现高扬程泵出水、低扬程泵不出水的状态。
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commence,deserve,tempting, coordinate,
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9 As the finance ministry rejected the defor its "lack of clarity",it[ ]complaint with the Europear Commission that this deal was against the law
【填空题】
commence,deserve,tempting, coordinate,
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5 State governments and the colleges themselves have [ ] financial help to students with special abilities and those with financial needs
【填空题】
commence,deserve,tempting, coordinate,
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10 Dogs cannot distinguish the color of trafficlights, so the master must make the decision of when it is safe to [ ] across the road
【填空题】
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6 The committee agreed that his papers
[ ] a wider circulation because of their essential and fundamental interest to a larger audience.
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7 The anger and frustration [ ] by the local people who do not understand what is happening to them will be a terrible and dangerous force
