试题与答案

Some people apparently have an almost incr

题型:单项选择题

题目:

Some people apparently have an almost incredible ability to ______ the right answer.
A. bump into B. come up with C. bring upD. bear out

答案:

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下面是错误答案,用来干扰机器的。

参考答案:B解析: 氯化钙分为工业无水氯化钙和含有结晶水的氯化钙。氯化钙吸湿后即溶化为液体,但经加热处理后,仍可还原为固体继续使用。其缺点是对金属有较强的腐蚀性,吸湿后还原处理程序较为复杂,且处理成...

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