— John, when will you pay a visit to that place of interest?— I can't decide at present. ________.

题干

— John, when will you pay a visit to that place of interest?

— I can't decide at present. ________.

A：It just depends

B：It's up to you

C：Take your time

D：I beg your pardon

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测定人体内体液的pH可以帮助我们了解身体状况．如图是明明同学体检报告单截图，看图后回答问题．

（1）该同学哪项指标出现异常____ ．

（2）医生让明明服用一种主要成分为氢氧化铝的药物，请写出该反应的化学方程式____ ．

（3）明明服用的药物，可用厨房中的一种物质代替，这种物质是____．