题目

I'm really hungry, I need _________ to eat, but _______ in the fridge. A . anything, something B . nothing, something C . something, nothing D . anything, nothing 答案：C如右图所示，小宇同时在热水和冷水中各滴入一滴红墨水，发现热水的颜色先变均匀，这说明：_____________________________。（2分）