It sounds like something is wrong with the car ’s engine. , we ’d better take it to the garage immediately.
A、OtherwiseD
暂无解析
化学反应前后,各物质的质量总和之所以相等是因为()
-Howcanwehelpthechildreninthemountainvillage?
-Wecan_______leafletstoaskpeopletodonatemoney.
有一种电动玩具鱼(如图所示)内部电路主要有电源、小型电动机和小灯泡构成.白天开关S1闭合,S2断开时,只有电动机工作,玩具鱼将会游动;晚上开关S1和S2都闭合时,电动机和灯泡都工作,玩具鱼既游动又发光;不玩时,只需将S1断开.下列电路设计符合这种要求的是()
_______(不幸地),theyhadnomoneyfortheirmother'smedicaltreatment.
已知三角形的两边长分别为1和4,第三边为整数,则该三角形周长为()