包裹松花蛋的泥灰的配料有纯碱、食盐、生石灰、草木灰。当用水将_爱下问搜题

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问题选择题

包裹松花蛋的泥灰的配料有纯碱、食盐、生石灰、草木灰。当用水将它们混合包在蛋壳外面后，发生复分解反应的个数为 [ ]

A.2个

B.4个

C.1个

D.3个

答案

答案：A

选择题

Some fans, _____ money was a big problem, could not afford to go to the concert to see their star play.

A．for whose

B．with whose

C．with whom

D．for whom

填空题

肌肉结构三元素中串联弹性成分是由肌原纤维本身的（）和（）等组成。