炎炎夏日，气温节节上升，温度计内水银柱慢慢升高，此过程中水银的

A．质量变大

B．密度变小

C．内能变小

D．比热容变大

I don’t want to read this book. There is _______ in it.

A．something interesting

B．nothing interesting

C．interesting something

D．interesting nothing