石阡地热矿泉水资源分布较广，已探明的有多少处多少个自然流露点，地热水自流量多少吨/天？
参考答案：
20处36个自然流露点，22311吨/天
Mark was afraid of being scolded，so he________say what he thought to his parents.
A．dare not to
B．doesn't dare to
C．dared not to
D．didn't dare to
同源多倍体
