岩石根据成因可分火成岩，沉积岩和变质岩三大类。_爱下问搜题

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问题判断题

岩石根据成因可分火成岩，沉积岩和变质岩三大类。

答案

参考答案：对

选择题

____ enough water every day is a wonderful way to keep us in good health.

A. Drink
B. Drinking
C. Drunk
D. To drink

名词解释

现值成本法