measurematter,ofweight,widthandlength.ATo:weshouldhaveunitsBTo;itshouldhaveunits,B为什么不行啊.句子啥意思啊

题目详情

_______measure matter,______of weight ,width and length.
A To :we should have units
B To; it should have units
,B为什么不行啊.句子啥意思啊

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答案和解析

为了度量物质,我们必须有重量、宽度和长度的单位.

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