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</gourl2><NodeID>2218</NodeID><Title>上海市闵行区2020届九年级上学期教学质量监控（一模）物理试题及答案</Title><SoftSize>486.82</SoftSize><SoftSizeUnit>KB</SoftSizeUnit><SoftSize>486.82</SoftSize><SoftSizeUnit>B</SoftSizeUnit><typeicon>docx</typeicon><editor>czwlzx</editor><author>上海市闵行区</author><user>czwlzx</user><userface>/UploadFiles/UserPic/UserAvatars/15219_150_150.jpg</userface><Hits>
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   </Stars><Author>上海市闵行区</Author><infopoint>1</infopoint><Keyword>上海市,闵行区,2020届九年级上学期教学质量监控（一模）物理试题</Keyword><CopyFrom></CopyFrom><SoftType></SoftType><CopyrightType></CopyrightType><DecompressPassword></DecompressPassword><OperatingSystem></OperatingSystem><UpdateTime>2020年01月22日</UpdateTime><RegUrl></RegUrl><DemoUrl /><DefaultPicUrl>/UploadFiles/nopic.gif
     </DefaultPicUrl><Intro>考生注意：1．本试卷共五大题，2                                               </Intro><SoftIntro2>考生注意：1．本试卷共五大题，2                                               9小题。2．试卷满分100分，考试时间90分钟。3．按要求在答题纸上作答，在试卷、草稿纸上答题一律无效。 一、选择题（共20分）下列各题均只有一个正确选项，请将正确选项的代号用2B铅笔填涂在答题纸的相应位置。更改答案时，用橡皮擦去，重新填涂。1．下列物理量能反映物质性质的是A 质量            B 电流            C 密度            D 电压[来源:学科网]2．“嫦娥四号”月球探测器在每个支脚的底部都安装了一个面积较大的底盘，这是为了A 减小压强                       </SoftIntro2><SoftIntro>
    【内容简介】考生注意：1．本试卷共五大题，2                                               9小题。2．试卷满分100分，考试时间90分钟。3．按要求在答题纸上作答，在试卷、草稿纸上答题一律无效。 一、选择题（共20分）下列各题均只有一个正确选项，请将正确选项的代号用2B铅笔填涂在答题纸的相应位置。更改答案时，用橡皮擦去，重新填涂。1．下列物理量能反映物质性质的是A 质量            B 电流            C 密度            D 电压[来源:学科网]2．“嫦娥四号”月球探测器在每个支脚的底部都安装了一个面积较大的底盘，这是为了A 减小压强                                    B 增大压强        C 减小压力                                    D 增大压力3．在以下实例中，利用大气压强工作的是A 热气球                            B 吸盘挂衣钩      C 锅炉液位计                        D 船闸[来源:学.科.网Z.X.X.K]4．首先通过实验研究得出“通过导体的电流与导体两端的电压关系”的科学家是A 伏特            B 安培            C 帕斯卡          D 欧姆5．两个体积相同的实心均匀小球甲、乙均漂浮在水面上（ρ甲<ρ乙），受到的浮力分别为F甲、F乙，则下列说法中正确的是A  F甲一定小于F乙                   B  F甲一定等于F乙    C  F甲可能等于F乙                   D  F甲可能大于F乙R16．在图1所示的电路中，电源电压保持不变。当S断开时，电流表示数为I1；当S闭合时，电流表示数为I2。如果I1︰I2=2︰3，则R1、R2的电阻之比为A  2︰3                 B  3︰2        C  1︰2                 D  2︰1甲      乙7．两个完全相同的细玻璃管以不同的方式放置，玻璃管内注入质量相同的不同液体，甲管中液面的位置如图2所示。关于这两种液体密度ρ、液体对玻璃管底的压强p的大小关系，下列说法中正确的是A 如果乙管液面比甲低，则ρ甲一定大于ρ乙，p甲一定大于p乙B 如果乙管液面比甲低，则ρ甲可能大于ρ乙，p甲可能等于p乙C 如果乙管液面比甲高，则ρ甲一定大于ρ乙，p甲一定大于p乙D 如果乙管液面比甲高，则ρ甲可能大于ρ乙，p甲可能等于p乙</SoftIntro><SoftIntroEncode>考生注意：1．本试卷共五大题，2 &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; </SoftIntroEncode><special>
&lt;p&gt;&lt;em&gt;所属专辑：&lt;/em&gt;
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各地2019-2020学年九年级上学期期末考试物理试题汇总
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</special><DownloadUrl>下载地址1|sj/2020/1/2020122112346.docx</DownloadUrl><Content>&lt;p style="line-height:27px"&gt;&lt;span style="font-family: 黑体"&gt;考生注意：&lt;/span&gt;&lt;/p&gt;&lt;p style="text-indent:28px;line-height:27px"&gt;&lt;span style="font-family: 'Times New Roman', serif"&gt;1&lt;/span&gt;&lt;span style="font-family: 黑体"&gt;．本试卷共五大题，&lt;/span&gt;&lt;span style="font-family: 'Times New Roman', serif"&gt;2&lt;/span&gt;&lt;span style="font-family: 'Times New Roman', serif"&gt;                                               &lt;img width="2px" height="1px" src="http://www.czwlzx.com/UEditor/themes/default/images/spacer.gif" style="background:url(http://www.czwlzx.com/UEditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd" /&gt;&lt;/span&gt;&lt;span style="font-family: 'Times New Roman', serif"&gt;9&lt;/span&gt;&lt;span style="font-family: 黑体"&gt;小题。&lt;/span&gt;&lt;/p&gt;&lt;p style="text-indent:28px;line-height:27px"&gt;&lt;span style="font-family: 'Times New Roman', serif"&gt;2&lt;/span&gt;&lt;span style="font-family: 黑体"&gt;．&lt;/span&gt;&lt;span style="font-family:黑体"&gt;试卷&lt;/span&gt;&lt;span style="font-family: 黑体"&gt;满分&lt;/span&gt;&lt;span style="font-family: 'Times New Roman', serif"&gt;100&lt;/span&gt;&lt;span style="font-family: 黑体"&gt;分，考试时间&lt;/span&gt;&lt;span style="font-family: 'Times New Roman', serif"&gt;90&lt;/span&gt;&lt;span style="font-family: 黑体"&gt;分钟。&lt;/span&gt;&lt;/p&gt;&lt;p style="text-indent:28px;line-height:27px"&gt;&lt;span style="font-family: 'Times New Roman', serif"&gt;3&lt;/span&gt;&lt;span style="font-family: 黑体"&gt;．&lt;/span&gt;&lt;span style="font-family:黑体"&gt;按要求在答题纸上作答，在试卷、草稿纸上答题一律无效。&lt;/span&gt;&lt;/p&gt;&lt;p style="line-height:27px"&gt;&lt;span style="font-family: 'Times New Roman', serif"&gt; &lt;/span&gt;&lt;/p&gt;&lt;p style="line-height:27px"&gt;&lt;span style="font-family: 黑体"&gt;一、选择题（共&lt;/span&gt;&lt;span style="font-family: 'Times New Roman', serif"&gt;20&lt;/span&gt;&lt;span style="font-family: 黑体"&gt;分）&lt;/span&gt;&lt;/p&gt;&lt;p style="text-indent:29px;line-height:27px"&gt;&lt;span style=";font-family:黑体;letter-spacing:0"&gt;下列各题均只有一个正确选项，请将正确选项的代号用&lt;/span&gt;&lt;span style=";font-family:'Times New Roman','serif';letter-spacing:0"&gt;2B&lt;/span&gt;&lt;span style=";font-family:黑体;letter-spacing:0"&gt;铅笔填涂在答题纸的相应位置。更改答案时，用橡皮擦去，重新填涂。&lt;/span&gt;&lt;/p&gt;&lt;p style="text-indent:28px;line-height:27px"&gt;&lt;span style="font-family: 'Times New Roman', serif"&gt;1&lt;/span&gt;&lt;span style="font-family:宋体"&gt;．下列物理量能反映物质性质的是&lt;/span&gt;&lt;/p&gt;&lt;p style="text-indent:49px;line-height:27px"&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;A &lt;/span&gt;&lt;span style="font-family:宋体"&gt;质量&lt;/span&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;     &lt;sub&gt; &lt;/sub&gt;      B &lt;/span&gt;&lt;span style="font-family:宋体"&gt;电流&lt;/span&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;       &lt;sub&gt; &lt;/sub&gt;    C &lt;/span&gt;&lt;span style="font-family:宋体"&gt;密度&lt;/span&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;       &lt;sub&gt; &lt;/sub&gt;    D &lt;/span&gt;&lt;span style="font-family:宋体"&gt;电压&lt;/span&gt;&lt;span style="font-size:3px;font-family:'Times New Roman','serif';color:white"&gt;[&lt;/span&gt;&lt;span style="font-size:3px;font-family:宋体;color:white"&gt;来源&lt;/span&gt;&lt;span style="font-size:3px;font-family:'Times New Roman','serif';color:white"&gt;:&lt;/span&gt;&lt;span style="font-size:3px;font-family:宋体;color:white"&gt;学科网&lt;/span&gt;&lt;span style="font-size:3px;font-family:'Times New Roman','serif';color:white"&gt;]&lt;/span&gt;&lt;/p&gt;&lt;p style="text-indent:28px;line-height:27px"&gt;&lt;span style=";font-family:'Times New Roman','serif'"&gt;2&lt;/span&gt;&lt;span style="font-family:宋体"&gt;．&lt;/span&gt;&lt;span style=";font-family:宋体"&gt;“&lt;/span&gt;&lt;span style=";font-family: 宋体"&gt;嫦娥四号”&lt;/span&gt;&lt;span style=";font-family:宋体"&gt;月球探测器在每个支脚的底部都安装了一个面积较大的底盘，这是为了&lt;/span&gt;&lt;/p&gt;&lt;p style="text-indent:48px;line-height:27px"&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;A &lt;/span&gt;&lt;span style=";font-family:宋体"&gt;减小压强&lt;/span&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;       &lt;sub&gt;                             &lt;/sub&gt;B &lt;/span&gt;&lt;span style=";font-family:宋体"&gt;增大压强&lt;/span&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;       &lt;sub&gt; &lt;/sub&gt;&lt;/span&gt;&lt;/p&gt;&lt;p style="text-indent:48px;line-height:27px"&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;C &lt;/span&gt;&lt;span style=";font-family:宋体"&gt;减小压力&lt;/span&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;       &lt;sub&gt;                             &lt;/sub&gt;D &lt;/span&gt;&lt;span style=";font-family:宋体"&gt;增大压力&lt;/span&gt;&lt;/p&gt;&lt;p style="text-indent: 28px;line-height: 27px"&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;3&lt;/span&gt;&lt;span style="font-family:宋体"&gt;．在以下实例中，利用大气压强工作的是&lt;/span&gt;&lt;/p&gt;&lt;p style="text-indent: 49px;line-height: 27px"&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;A &lt;/span&gt;&lt;span style="font-family:宋体"&gt;热气球&lt;/span&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;       &lt;sub&gt; &lt;/sub&gt;                    B &lt;/span&gt;&lt;span style="font-family: 宋体"&gt;吸盘挂衣钩&lt;/span&gt;&lt;span style="font-family: 'Times New Roman','serif'"&gt;    &lt;sub&gt; &lt;/sub&gt; &lt;/span&gt;&lt;/p&gt;&lt;p style="text-indent: 49px;line-height: 27px"&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;C &lt;/span&gt;&lt;span style="font-family:宋体"&gt;锅炉液位计&lt;/span&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;    &lt;sub&gt; &lt;/sub&gt;                   D &lt;/span&gt;&lt;span style="font-family:宋体"&gt;船闸&lt;/span&gt;&lt;span style="font-size:3px;font-family:'Times New Roman','serif';color:white"&gt;[&lt;/span&gt;&lt;span style="font-size:3px;font-family:宋体;color:white"&gt;来源&lt;/span&gt;&lt;span style="font-size:3px;font-family:'Times New Roman','serif';color:white"&gt;:&lt;/span&gt;&lt;span style="font-size:3px;font-family:宋体;color:white"&gt;学&lt;/span&gt;&lt;span style="font-size:3px;font-family:'Times New Roman','serif';color:white"&gt;.&lt;/span&gt;&lt;span style="font-size:3px;font-family:宋体;color:white"&gt;科&lt;/span&gt;&lt;span style="font-size:3px;font-family:'Times New Roman','serif';color:white"&gt;.&lt;/span&gt;&lt;span style="font-size:3px;font-family:宋体;color:white"&gt;网&lt;/span&gt;&lt;span style="font-size:3px;font-family:'Times New Roman','serif';color:white"&gt;Z.X.X.K]&lt;/span&gt;&lt;/p&gt;&lt;p style="text-indent:28px;line-height:27px"&gt;&lt;span style="font-family: 'Times New Roman', serif"&gt;4&lt;/span&gt;&lt;span style="font-family:宋体"&gt;．首先&lt;/span&gt;&lt;span style="font-family: 宋体"&gt;通过实验研究得出&lt;/span&gt;&lt;span style="font-family: 宋体"&gt;“&lt;/span&gt;&lt;span style="font-family: 宋体"&gt;通过导体的电流与导体两端的电压关系”&lt;/span&gt;&lt;span style="font-family: 宋体"&gt;的科学家是&lt;/span&gt;&lt;/p&gt;&lt;p style="text-indent:49px;line-height:27px"&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;A &lt;/span&gt;&lt;span style="font-family:宋体"&gt;伏特&lt;/span&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;     &lt;sup&gt; &lt;/sup&gt;      B &lt;/span&gt;&lt;span style="font-family:宋体"&gt;安培&lt;/span&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;     &lt;sup&gt; &lt;/sup&gt;      C &lt;/span&gt;&lt;span style="font-family:宋体"&gt;帕斯卡&lt;/span&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;     &lt;sup&gt; &lt;/sup&gt;    D &lt;/span&gt;&lt;span style="font-family:宋体"&gt;欧姆&lt;/span&gt;&lt;/p&gt;&lt;p style="text-indent:28px;line-height:27px"&gt;&lt;span style="font-family: 'Times New Roman', serif"&gt;5&lt;/span&gt;&lt;span style="font-family:宋体"&gt;．两个体积相同的实心均匀小球甲、乙均漂浮在水面上（&lt;/span&gt;&lt;em&gt;&lt;span style=";font-family:'Times New Roman','serif';letter-spacing:-0"&gt;ρ&lt;/span&gt;&lt;/em&gt;&lt;sub&gt;&lt;span style=";font-family:宋体;letter-spacing:-0"&gt;甲&lt;/span&gt;&lt;/sub&gt;&lt;span style="font-size: 13px;font-family: 'Times New Roman', serif"&gt;&amp;lt;&lt;/span&gt;&lt;em&gt;&lt;span style=";font-family:'Times New Roman','serif';letter-spacing:-0"&gt;ρ&lt;/span&gt;&lt;/em&gt;&lt;sub&gt;&lt;span style=";font-family:宋体;letter-spacing:-0"&gt;乙&lt;/span&gt;&lt;/sub&gt;&lt;span style="font-family: 宋体"&gt;），受到的浮力分别为&lt;/span&gt;&lt;em&gt;&lt;span style=";font-family:'Times New Roman','serif';letter-spacing:-0"&gt;F&lt;/span&gt;&lt;/em&gt;&lt;sub&gt;&lt;span style=";font-family:宋体;letter-spacing:-0"&gt;甲&lt;/span&gt;&lt;/sub&gt;&lt;span style=";font-family:宋体;letter-spacing:-0"&gt;、&lt;/span&gt;&lt;em&gt;&lt;span style=";font-family:'Times New Roman','serif';letter-spacing:-0"&gt;F&lt;/span&gt;&lt;/em&gt;&lt;sub&gt;&lt;span style=";font-family:宋体;letter-spacing:-0"&gt;乙&lt;/span&gt;&lt;/sub&gt;&lt;span style=";font-family:宋体;letter-spacing:-0"&gt;，则下列说法中正确的是&lt;/span&gt;&lt;/p&gt;&lt;p style="text-indent:49px;line-height:27px"&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;A  &lt;/span&gt;&lt;em&gt;&lt;span style=";font-family:'Times New Roman','serif';letter-spacing:-0"&gt;F&lt;/span&gt;&lt;/em&gt;&lt;sub&gt;&lt;span style=";font-family:宋体;letter-spacing:-0"&gt;甲&lt;/span&gt;&lt;/sub&gt;&lt;span style=";font-family:宋体;letter-spacing:-0"&gt;一定小于&lt;/span&gt;&lt;em&gt;&lt;span style=";font-family:'Times New Roman','serif';letter-spacing:-0"&gt;F&lt;/span&gt;&lt;/em&gt;&lt;sub&gt;&lt;span style=";font-family:宋体;letter-spacing:-0"&gt;乙&lt;/span&gt;&lt;/sub&gt;&lt;span style="font-family: 'Times New Roman','serif'"&gt;                   B  &lt;/span&gt;&lt;em&gt;&lt;span style=";font-family:'Times New Roman','serif';letter-spacing:-0"&gt;F&lt;/span&gt;&lt;/em&gt;&lt;sub&gt;&lt;span style=";font-family:宋体;letter-spacing:-0"&gt;甲&lt;/span&gt;&lt;/sub&gt;&lt;span style=";font-family:宋体;letter-spacing:-0"&gt;一定等于&lt;/span&gt;&lt;em&gt;&lt;span style=";font-family:'Times New Roman','serif';letter-spacing:-0"&gt;F&lt;/span&gt;&lt;/em&gt;&lt;sub&gt;&lt;span style=";font-family:宋体;letter-spacing:-0"&gt;乙&lt;/span&gt;&lt;/sub&gt;&lt;span style="font-family: 'Times New Roman','serif'"&gt;    &lt;/span&gt;&lt;/p&gt;&lt;p style="text-indent:49px;line-height:27px"&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;C  &lt;/span&gt;&lt;em&gt;&lt;span style=";font-family:'Times New Roman','serif';letter-spacing:-0"&gt;F&lt;/span&gt;&lt;/em&gt;&lt;sub&gt;&lt;span style=";font-family:宋体;letter-spacing:-0"&gt;甲&lt;/span&gt;&lt;/sub&gt;&lt;span style=";font-family:宋体;letter-spacing:-0"&gt;可能等于&lt;/span&gt;&lt;em&gt;&lt;span style=";font-family:'Times New Roman','serif';letter-spacing:-0"&gt;F&lt;/span&gt;&lt;/em&gt;&lt;sub&gt;&lt;span style=";font-family:宋体;letter-spacing:-0"&gt;乙&lt;/span&gt;&lt;/sub&gt;&lt;span style="font-family: 'Times New Roman','serif'"&gt;                   D  &lt;/span&gt;&lt;em&gt;&lt;span style=";font-family:'Times New Roman','serif';letter-spacing:-0"&gt;F&lt;/span&gt;&lt;/em&gt;&lt;sub&gt;&lt;span style=";font-family:宋体;letter-spacing:-0"&gt;甲&lt;/span&gt;&lt;/sub&gt;&lt;span style=";font-family:宋体;letter-spacing:-0"&gt;可能大于&lt;/span&gt;&lt;em&gt;&lt;span style=";font-family:'Times New Roman','serif';letter-spacing:-0"&gt;F&lt;/span&gt;&lt;/em&gt;&lt;sub&gt;&lt;span style=";font-family:宋体;letter-spacing:-0"&gt;乙&lt;/span&gt;&lt;/sub&gt;&lt;/p&gt;&lt;p style="text-indent:28px;line-height:27px"&gt;&lt;br /&gt;&lt;/p&gt;&lt;table width="100%"&gt;&lt;tbody&gt;&lt;tr class="firstRow"&gt;&lt;td&gt;&lt;p&gt;&lt;em&gt;&lt;span style="font-size:12px;line-height:115%;font-family:'Times New Roman','serif'"&gt;R&lt;/span&gt;&lt;/em&gt;&lt;sub&gt;&lt;span style="font-size:12px;line-height:115%;font-family:'Times New Roman','serif'"&gt;1&lt;/span&gt;&lt;/sub&gt;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/tbody&gt;&lt;/table&gt;&lt;p&gt;&lt;span style="font-family: 'Times New Roman', serif"&gt;6&lt;/span&gt;&lt;span style="font-family: 宋体"&gt;．&lt;/span&gt;&lt;span style="font-family:宋体"&gt;在图&lt;/span&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;1&lt;/span&gt;&lt;span style="font-family:宋体"&gt;所示的电&lt;/span&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;&lt;img width="2px" height="3px" src="http://www.czwlzx.com/UEditor/themes/default/images/spacer.gif" style="background:url(http://www.czwlzx.com/UEditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd" /&gt;&lt;/span&gt;&lt;span style="font-family:宋体"&gt;路中，电源电压保持不变。当&lt;/span&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;S&lt;/span&gt;&lt;span style="font-family: 宋体"&gt;断开时，电流表示数为&lt;/span&gt;&lt;em&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;I&lt;/span&gt;&lt;/em&gt;&lt;sub&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;1&lt;/span&gt;&lt;/sub&gt;&lt;span style="font-family:宋体"&gt;；当&lt;/span&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;S&lt;/span&gt;&lt;span style="font-family:宋体"&gt;闭合时，电流表示数为&lt;/span&gt;&lt;em&gt;&lt;span style="font-family: 'Times New Roman','serif'"&gt;I&lt;/span&gt;&lt;/em&gt;&lt;sub&gt;&lt;span style="font-family: 'Times New Roman','serif'"&gt;2&lt;/span&gt;&lt;/sub&gt;&lt;span style="font-family:宋体"&gt;。如果&lt;/span&gt;&lt;em&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;I&lt;/span&gt;&lt;/em&gt;&lt;sub&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;1&lt;/span&gt;&lt;/sub&gt;&lt;span style="font-family:宋体"&gt;︰&lt;/span&gt;&lt;em&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;I&lt;/span&gt;&lt;/em&gt;&lt;sub&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;2&lt;/span&gt;&lt;/sub&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;=2&lt;/span&gt;&lt;span style="font-family:宋体"&gt;︰&lt;/span&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;3&lt;/span&gt;&lt;span style="font-family:宋体"&gt;，则&lt;/span&gt;&lt;em&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;R&lt;/span&gt;&lt;/em&gt;&lt;sub&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;1&lt;/span&gt;&lt;/sub&gt;&lt;span style="font-family:宋体"&gt;、&lt;/span&gt;&lt;em&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;R&lt;/span&gt;&lt;/em&gt;&lt;sub&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;2&lt;/span&gt;&lt;/sub&gt;&lt;span style="font-family:宋体"&gt;的电阻之比为&lt;/span&gt;&lt;/p&gt;&lt;p&gt;&lt;br /&gt;&lt;/p&gt;&lt;p style="text-indent: 49px;line-height: 27px"&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;A  2&lt;/span&gt;&lt;span style="font-family:宋体"&gt;︰&lt;/span&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;3                 B  3&lt;/span&gt;&lt;span style="font-family:宋体"&gt;︰&lt;/span&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;2        &lt;/span&gt;&lt;/p&gt;&lt;p style="text-indent: 49px;line-height: 27px"&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;C  1&lt;/span&gt;&lt;span style="font-family:宋体"&gt;︰&lt;/span&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;2                 D  2&lt;/span&gt;&lt;span style="font-family:宋体"&gt;︰&lt;/span&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;1&lt;/span&gt;&lt;/p&gt;&lt;p style="text-indent:28px;line-height:27px"&gt;&lt;br /&gt;&lt;/p&gt;&lt;table width="100%"&gt;&lt;tbody&gt;&lt;tr class="firstRow"&gt;&lt;td&gt;&lt;p&gt;&lt;span style="font-size:12px;line-height:115%;font-family:宋体"&gt;甲&lt;/span&gt;&lt;span style="font-size:12px;line-height:115%"&gt;      &lt;/span&gt;&lt;span style="font-size:        12px;line-height:115%;font-family:宋体"&gt;乙&lt;/span&gt;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/tbody&gt;&lt;/table&gt;&lt;p&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;7&lt;/span&gt;&lt;span style="font-family: 宋体"&gt;．&lt;/span&gt;&lt;span style="font-family:宋体"&gt;两个完全相同的细玻璃管以不同的方式放置，玻璃管内注入质量相同的不同液体，甲管中&lt;/span&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;&lt;img width="2px" height="2px" src="http://www.czwlzx.com/UEditor/themes/default/images/spacer.gif" style="background:url(http://www.czwlzx.com/UEditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd" /&gt;&lt;/span&gt;&lt;span style="font-family:宋体"&gt;液面的位置如图&lt;/span&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;2&lt;/span&gt;&lt;span style="font-family: 宋体"&gt;所示。关于这两种液体密度&lt;/span&gt;&lt;em&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;ρ&lt;/span&gt;&lt;/em&gt;&lt;span style="font-family:宋体"&gt;、液体对玻璃管底的压强&lt;/span&gt;&lt;em&gt;&lt;span style="font-family: 'Times New Roman','serif'"&gt;p&lt;/span&gt;&lt;/em&gt;&lt;span style="font-family:宋体"&gt;的大小关系，下列说法中正确的是&lt;/span&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;&lt;/span&gt;&lt;/p&gt;&lt;p&gt;&lt;br /&gt;&lt;/p&gt;&lt;p style="text-indent:49px;line-height:27px"&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;A &lt;/span&gt;&lt;span style="font-family: 宋体"&gt;如果乙管液面比甲低，则&lt;/span&gt;&lt;em&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;ρ&lt;/span&gt;&lt;/em&gt;&lt;sub&gt;&lt;span style="font-family:宋体"&gt;甲&lt;/span&gt;&lt;/sub&gt;&lt;span style="font-family:宋体"&gt;一定大于&lt;/span&gt;&lt;em&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;ρ&lt;/span&gt;&lt;/em&gt;&lt;sub&gt;&lt;span style="font-family:宋体"&gt;乙&lt;/span&gt;&lt;/sub&gt;&lt;span style="font-family:宋体"&gt;，&lt;/span&gt;&lt;em&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;p&lt;/span&gt;&lt;/em&gt;&lt;sub&gt;&lt;span style="font-family:宋体"&gt;甲&lt;/span&gt;&lt;/sub&gt;&lt;span style="font-family:宋体"&gt;一定大于&lt;/span&gt;&lt;em&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;p&lt;/span&gt;&lt;/em&gt;&lt;sub&gt;&lt;span style="font-family:宋体"&gt;乙&lt;/span&gt;&lt;/sub&gt;&lt;/p&gt;&lt;p style="text-indent:49px;line-height:27px"&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;B &lt;/span&gt;&lt;span style="font-family: 宋体"&gt;如果乙管液面比甲低，则&lt;/span&gt;&lt;em&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;ρ&lt;/span&gt;&lt;/em&gt;&lt;sub&gt;&lt;span style="font-family:宋体"&gt;甲&lt;/span&gt;&lt;/sub&gt;&lt;span style="font-family:宋体"&gt;可能大于&lt;/span&gt;&lt;em&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;ρ&lt;/span&gt;&lt;/em&gt;&lt;sub&gt;&lt;span style="font-family:宋体"&gt;乙&lt;/span&gt;&lt;/sub&gt;&lt;span style="font-family:宋体"&gt;，&lt;/span&gt;&lt;em&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;p&lt;/span&gt;&lt;/em&gt;&lt;sub&gt;&lt;span style="font-family:宋体"&gt;甲&lt;/span&gt;&lt;/sub&gt;&lt;span style="font-family:宋体"&gt;可能等于&lt;/span&gt;&lt;em&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;p&lt;/span&gt;&lt;/em&gt;&lt;sub&gt;&lt;span style="font-family:宋体"&gt;乙&lt;/span&gt;&lt;/sub&gt;&lt;/p&gt;&lt;p style="text-indent:49px;line-height:27px"&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;C &lt;/span&gt;&lt;span style="font-family: 宋体"&gt;如果乙管液面比甲高，则&lt;/span&gt;&lt;em&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;ρ&lt;/span&gt;&lt;/em&gt;&lt;sub&gt;&lt;span style="font-family:宋体"&gt;甲&lt;/span&gt;&lt;/sub&gt;&lt;span style="font-family:宋体"&gt;一定大于&lt;/span&gt;&lt;em&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;ρ&lt;/span&gt;&lt;/em&gt;&lt;sub&gt;&lt;span style="font-family:宋体"&gt;乙&lt;/span&gt;&lt;/sub&gt;&lt;span style="font-family:宋体"&gt;，&lt;/span&gt;&lt;em&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;p&lt;/span&gt;&lt;/em&gt;&lt;sub&gt;&lt;span style="font-family:宋体"&gt;甲&lt;/span&gt;&lt;/sub&gt;&lt;span style="font-family:宋体"&gt;一定大于&lt;/span&gt;&lt;em&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;p&lt;/span&gt;&lt;/em&gt;&lt;sub&gt;&lt;span style="font-family:宋体"&gt;乙&lt;/span&gt;&lt;/sub&gt;&lt;/p&gt;&lt;p style="text-indent:49px;line-height:27px"&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;D &lt;/span&gt;&lt;span style="font-family: 宋体"&gt;如果乙管液面比甲高，则&lt;/span&gt;&lt;em&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;ρ&lt;/span&gt;&lt;/em&gt;&lt;sub&gt;&lt;span style="font-family:宋体"&gt;甲&lt;/span&gt;&lt;/sub&gt;&lt;span style="font-family:宋体"&gt;可能大于&lt;/span&gt;&lt;em&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;ρ&lt;/span&gt;&lt;/em&gt;&lt;sub&gt;&lt;span style="font-family:宋体"&gt;乙&lt;/span&gt;&lt;/sub&gt;&lt;span style="font-family:宋体"&gt;，&lt;/span&gt;&lt;em&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;p&lt;/span&gt;&lt;/em&gt;&lt;sub&gt;&lt;span style="font-family:宋体"&gt;甲&lt;/span&gt;&lt;/sub&gt;&lt;span style="font-family:宋体"&gt;可能等于&lt;/span&gt;&lt;em&gt;&lt;span style="font-family:'Times New Roman','serif'"&gt;p&lt;/span&gt;&lt;/em&gt;&lt;sub&gt;&lt;span style="font-family:宋体"&gt;乙&lt;/span&gt;&lt;/sub&gt;&lt;/p&gt;&lt;p&gt;&lt;br /&gt;&lt;/p&gt;</Content><banben>其它版</banben><area>上海</area><type>试题试卷</type><type2>专供vip会员</type2><ico>docx</ico><video>
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so.addVariable("CuPlayerWidth","862");
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