为了求出楼房的高度，让一小石块从楼顶上自由下落（不计空气阻力），只测出下列哪个物理量可以计算出楼的高度（　　）

A．石块下落的时间

B．石块落地的速度

C．石块第1s内的位移

D．最后1s的位移

My host family tried to cook ________ for me when I studied in New Zealand.

A．different something

B．different anything

C．something different

D．anything different