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2019年湖北省黄冈市中考物理模拟试题DIV.MyFav_1212388299091P.MsoNormal{TEXT-JUSTIFY:inter-ideograph;FONT-SIZE:10.5pt;MARGIN:0cm0cm0pt;FONT-FAMILY:"TimesNewRoman";TEXT-ALIGN:justify}DIV.MyFav_1212388299091LI.MsoNormal{TEXT-JUSTIFY:inter-ideograph;FONT-SIZE:10.5pt;MARGIN:0cm0cm0pt;FONT-FAMILY:"TimesNewRoman";TEXT-ALIGN:justify}DIV.MyFav_1212388299091DIV.MsoNormal{TEXT-JUSTIFY:inter-ideograph;FONT-SIZE:10.5pt;MARGIN:0cm0cm0pt;FONT-FAMILY:"TimesNewRoman";TEXT-ALIGN:justify}DIV.MyFav_1212388299091P.MsoFooter{FONT-SIZE:9pt;MARGIN:0cm0cm0pt;LAYOUT-GRID-MODE:char;FONT-FAMILY:"TimesNewRoman";TEXT-ALIGN:left}DIV.MyFav_1212388299091LI.MsoFooter{FONT-SIZE:9pt;MARGIN:0cm0cm0pt;LAYOUT-GRID-MODE:char;FONT-FAMILY:"TimesNewRoman";TEXT-ALIGN:left}DIV.MyFav_1212388299091DIV.MsoFooter{FONT-SIZE:9pt;MARGIN:0cm0cm0pt;LAYOUT-GRID-MODE:char;FONT-FAMILY:"TimesNewRoman";TEXT-ALIGN:left}DIV.MyFav_1212388299091P.MsoPlainText{TEXT-JUSTIFY:inter-ideograph;FONT-SIZE:10.5pt;MARGIN:0cm0cm0pt;FONT-FAMILY:宋体;TEXT-ALIGN:justify}DIV.MyFav_1212388299091LI.MsoPlainText{TEXT-JUSTIFY:inter-ideograph;FONT-SIZE:10.5pt;MARGIN:0cm0cm0pt;FONT-FAMILY:宋体;TEXT-ALIGN:justify}DIV.MyFav_1212388299091DIV.MsoPlainText{TEXT-JUSTIFY:inter-ideograph;FONT-SIZE:10.5pt;MARGIN:0cm0cm0pt;FONT-FAMILY:宋体;TEXT-ALIGN:justify}DIV.MyFav_1212388299091P{TEXT-JUSTIFY:inter-ideograph;FONT-SIZE:12pt;MARGIN:0cm0cm0pt;FONT-FAMILY:"TimesNewRoman";TEXT-ALIGN:justify}DIV.MyFav_1212388299091DIV.Section1{page:Section1}DIV.MyFav_1212388299091OL{MARGIN-BOTTOM:0cm}DIV.MyFav_1212388299091UL{MARGIN-BOTTOM:0cm}一、单项选择题(下列每小题给出的选项中只有一个选项是正确的请将正确选项前的字母填在后面的答题卡中3分×10=30分)1.如图1所示。琴师在使用前会对二胡进行调音以下对调音时采用的做法解释正确的是()A.旋转弦轴使弦拉得紧一些是为了改变音色B.旋转弦轴使弦拉得紧一些是为了改变响度C.将琴枕上移上些是为了改变音色D.换一根再细一些的琴弦是为了改变音调2.在一堂物理活动课上同学们正以“假如失去……”为主题展开讨论。以下是由四位同学提出的具有代表性的观点你认为正确的是()A.假如失去了摩擦力任何物体都不可能处于静止状态B.假如导体都失去了电阻那么所有的用电器都不能正常工作C.假如失去了重力天平就不能再用来测量物体的质量D.假如磁体