The problem is so ______________ that I can solve it ________________.
A:easy, easy
B:easy, easily
C:easily, easy
D:easily, easily
如图是大型电子地磅秤的电路图(电源电压恒定),AB间的弹簧中间有可收缩的导线将滑动变阻器接入电路,R1为定值电阻.当闭合开关S,A板上受到的压力F增大时,电流表和电压表的示数将会发生改变.为使压力增大时,压力计的示数随指针向右摆动而增大,应把____ (填“电流表”或“电压表”)改装为压力计.
绽(dìng zhàn)开____ 镶嵌(kǎn qiàn) ____ 朴素(sù shù) ____
清泉(quán chuan ) ____ 泼(pō bō )洒____ 青苔(tái tāi) ____