A．By grinding heated limestone (石灰石) and clay and mixin-找考题网

单项选择题

A．By grinding heated limestone (石灰石) and clay and mixing them with water.
B．By mixing limestone, clay and water.
C．By grinding limestone and clay under water.
D．By burying limestone and clay underground.

<上一题目录下一题>

热门试题

单项选择题

A．The stationery store has closed down.B．The stationery store is closed.C．The shop assistants have all left at that moment.D．The shop assistants of the store have gone for a long time.

A．The stationery store has closed down.
B．The stationery store is closed.
C．The shop assistants have all left at that moment.
D．The shop assistants of the store have gone for a long time.

填空题

您的浏览器不支持 audio 元素。