题目

His health is________improving. I'm sure he will come back to work soon.A.gradually B.frequently C.finally 答案：【答案】A【解析】句意：他的健康在逐步改善。我确信他很快就能重返工作。考查副词辨析。gradually逐渐地；frequently经常；finally最后。根据“he will come back to work soon”可知他的健康在逐步好转，故选A。2．如图所示的电路中，电源两端电压不变，闭合开关S，则（　　）A．A的示数将增大B．V1的示数与A的示数的比值将增大C．V2的示数将增大D．电路总功率将减小