如图，光滑固定的金属导轨M、N水平放置，两根导体棒P、Q平行放置在导轨上，形成一个闭合回路。当一条形磁铁从高处下落接近回路时

A．P、Q将相互靠拢

B．P、Q将互相远离

C．磁铁的加速度仍为g

D．磁铁的加速度小于g

It is in this very village ___________ she will bulid her first school,___________ inspires everyone to help her.

A．Where;that

B．that;which

C．that;that

D．which;that