20春学期《大学物理》在线平时作业1

adminhan

<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21.75pt; mso-list: l0 level1 lfo1"><font size="3"><span lang="EN-US" style="mso-bidi-font-size: 10.5pt; mso-fareast-font-family: 'Times New Roman'"><span style="mso-list: Ignore"><font face="Times New Roman">11、</font></span></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-bidi-font-size: 10.5pt">一个能量为</span><span lang="EN-US" style="mso-bidi-font-size: 10.5pt"><font face="Times New Roman">10¹²eV</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">（</span><span lang="EN-US"><font face="Times New Roman">1eV = 1.6&times;10^-19</font></span>^{<span lang="EN-US" style="FONT-FAMILY: 宋体"> </span>}<span lang="EN-US" style="FONT-FAMILY: 宋体">J </span><span style="FONT-FAMILY: 宋体">）</span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-bidi-font-size: 10.5pt">的宇宙射线粒子射入氖管中，氖管中含有</span><span lang="EN-US" style="mso-bidi-font-size: 10.5pt"><font face="Times New Roman">0.01 mol </font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-bidi-font-size: 10.5pt">的氖气，如果宇宙射线粒子的能量全部被氖气分子所吸收而变为热运动能量，则氖气的温度能升高，其温度能高的值</span><font face="Times New Roman"><span style="mso-bidi-font-size: 10.5pt"> </span><span lang="EN-US" style="mso-bidi-font-size: 10.5pt; mso-fareast-font-family: 微软雅黑">?T</span></font><span lang="EN-US" style="FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-bidi-font-size: 10.5pt"> </span><span style="FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-bidi-font-size: 10.5pt">为</span><span style="FONT-FAMILY: &quot;微软雅黑&quot;,&quot;sans-serif&quot;; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-bidi-font-size: 10.5pt">：</span></font><span lang="EN-US" style="mso-bidi-font-size: 10.5pt; mso-fareast-font-family: 微软雅黑"><o:p></o:p></span></p>
A:<span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman','serif'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 微软雅黑">?T = </span><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman','serif'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">1.</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman','serif'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体">28 &times; 10 ⁶ K</span>
B:<span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman','serif'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 微软雅黑">?T = </span><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman','serif'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">1.</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman','serif'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体">28 &times; 10 ^{- 16} K</span>
C:<span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman','serif'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 微软雅黑">?T = </span><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman','serif'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">1.</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman','serif'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体">28 &times; 10 ^-16 K</span>
D:<span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman','serif'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 微软雅黑">?T = </span><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman','serif'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">1.</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman','serif'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体">28 &times; 10 ^{- 6} K</span>

<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; LINE-HEIGHT: 125%; mso-char-indent-count: 2.0"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'"><font size="3">一圆形导体线圈，在匀强磁场中运动有下列几种情况：<span lang="EN-US"><o:p></o:p></span></font></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 42pt; LINE-HEIGHT: 125%; mso-char-indent-count: 4.0"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'"><font size="3">（<span lang="EN-US">1</span>）线圈沿磁场方向平移。<span lang="EN-US"><span style="mso-spacerun: yes">&nbsp; </span><o:p></o:p></span></font></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 36.75pt; LINE-HEIGHT: 125%; mso-char-indent-count: 3.5"><font size="3"><span lang="EN-US" style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'"><span style="mso-spacerun: yes">&nbsp;</span></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'">（<span lang="EN-US">2</span>）线圈沿垂直于磁场的方向平移。<span lang="EN-US"><o:p></o:p></span></span></font></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 42pt; LINE-HEIGHT: 125%; mso-char-indent-count: 4.0"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'"><font size="3">（<span lang="EN-US">3</span>）线圈以自身的直径为轴转动，轴与磁场方向平行。<span lang="EN-US"><o:p></o:p></span></font></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 42pt; LINE-HEIGHT: 125%; mso-char-indent-count: 4.0"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'"><font size="3">（<span lang="EN-US">4</span>）线圈以自身的直径为轴转动，轴与磁场方向垂直。<span lang="EN-US"><o:p></o:p></span></font></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 125%"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'"><font size="3">以上情况能产生感应电流的是：<span lang="EN-US"><o:p></o:p></span></font></span></p>
A:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt">都能产生感应电流。</span>
B:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt">（</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体; mso-bidi-font-size: 12.0pt">2</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt">）、（</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体; mso-bidi-font-size: 12.0pt">3</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt">）、（</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体; mso-bidi-font-size: 12.0pt">4</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt">）能产生感应电流。</span>
C:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt">（</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体; mso-bidi-font-size: 12.0pt">2</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt">）、（</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体; mso-bidi-font-size: 12.0pt">3</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt">）能产生感应电流。</span>
D:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt">只有（</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体; mso-bidi-font-size: 12.0pt">4</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt">）能产生感应电流。</span>

<img width="562" height="167" alt="" src="http://file.open.com.cn/ItemDB/43588/b0aaeb84-bc40-45e3-992e-2fa336ceb8ee/201310259325650.png" />&nbsp;
A:A
B:B
C:C
D:D

<img width="546" height="224" alt="" src="http://file.open.com.cn/ItemDB/43588/d680a32f-b7fc-4c8d-941d-abadb5b8fdc4/2013102585010421.png" />&nbsp;
A:A
B:B
C:C
D:D

<p>题面为图片<img height="384" alt="" width="608" src="http://file.open.com.cn/ItemDB/43588/02be3807-799e-4187-a201-60117feeb911/2009325105331215.JPG" /></p>
A:A
B:B
C:C
D:D

题面为图片<img height="384" alt="" width="608" src="http://file.open.com.cn/ItemDB/43588/758a897d-a1c5-4f84-a2b7-efd315b2f4d0/2009325163554652.JPG" />
A:A
B:B
C:C
D:D

<img width="502" height="125" alt="" src="http://file.open.com.cn/ItemDB/43588/c23b1b4a-91aa-4f9b-92bc-e2b2d577d395/2013102591223573.png" />&nbsp;
A:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt">穿过<span lang="EN-US"> S </span>面的电通量改变 ；<span lang="EN-US">P</span>点的电场强度也会改变</span>
B:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt">穿过<span lang="EN-US"> S </span>面的电通量不变 ；<span lang="EN-US">P</span>点的电场强度也不变</span>
C:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt">穿过<span lang="EN-US"> S </span>面的电通量改变 ；但<span lang="EN-US">P</span>点的电场强度不会改变</span>
D:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt">穿过<span lang="EN-US"> S </span>面的电通量不变 ；但<span lang="EN-US">P</span>点的电场强度会改变</span>

<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">下列说法正确的是</span>
A:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">闭合曲面上各点的电场强度都为零时，曲面内一定没有电荷。</span>
B:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">闭合曲面上各点的电场强度都为零时，曲面内电荷的代数和一定为零。</span>
C:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">闭合曲面的电通量为零时，曲面上各点的电场强度必定为零。</span>
D:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">闭合曲面的电通量不为零时，曲面任意一点的电场强度都不可能为零。</span>

<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-list: l0 level1 lfo1"><font size="3"><span lang="EN-US" style="mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-size: 10.5pt"><span style="mso-list: Ignore"><font face="Times New Roman">6、 </font></span></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-bidi-font-size: 10.5pt">下述说法正确的是：</span></font><span lang="EN-US" style="mso-bidi-font-size: 10.5pt"><o:p></o:p></span></p>
A:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'">位移是指质点起点与终点连线的长度，它是一个标量</span>
B:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'">位移是指质点起点与终点连线的长度，它是一个矢量</span>
C:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'">路程是指质点沿轨迹走过的距离，它是一个标量</span>
D:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'">路程是指质点沿轨迹走过的距离，它是一个矢量</span>

题面为图片<img height="384" alt="" width="608" src="http://file.open.com.cn/ItemDB/43588/2a0594f6-9817-4b70-ad28-1c1dea0a7049/2009325112846264.JPG" />
A:A
B:B
C:C
D:D

题面为图片<img height="384" alt="" width="608" src="http://file.open.com.cn/ItemDB/43588/3b6048e1-3d3f-416d-a3e0-422eeabeeb56/200932517240303.JPG" />
A:A
B:B
C:C
D:D

<img width="536" height="170" alt="" src="http://file.open.com.cn/ItemDB/43588/25f01d21-1bdf-46c3-b4e3-220e4dd23043/201310259347927.png" />&nbsp;
A:A
B:B
C:C
D:D

<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">用来描写质点运动状态的物理量是：</span>
A:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">位置和速度</span>
B:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">位置、速度和加速度</span>
C:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">位置和位移</span>
D:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">位置、位移、速度和加速度</span>

<img width="622" height="167" alt="" src="http://file.open.com.cn/ItemDB/43588/7ae4e6c4-de0a-4c78-8854-22bcbd4a6f3c/2013102585450883.png" />&nbsp;
A:A
B:B
C:C
D:D

<img alt="" width="620" height="89" src="http://file.open.com.cn/ItemDB/43588/fcb53cac-9d7d-48f7-ac8a-e81edafa210c/20131024153653587.png" />&nbsp;
A:A
B:B
C:C
D:D

<img width="537" height="181" alt="" src="http://file.open.com.cn/ItemDB/43588/a361e7e2-746c-4da2-89cb-68b5df4d4cbe/2013102595747566.png" />&nbsp;
A:A
B:B
C:C
D:D

<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21.75pt; LINE-HEIGHT: 125%"><font size="3"><span style="LINE-HEIGHT: 125%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-bidi-font-size: 10.5pt">对检验电荷与点电荷，下述说法正确的是：</span><span lang="EN-US" style="LINE-HEIGHT: 125%; mso-bidi-font-size: 10.5pt"><o:p></o:p></span></font></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21.75pt; LINE-HEIGHT: 125%"><font size="3"><span lang="EN-US" style="LINE-HEIGHT: 125%; mso-bidi-font-size: 10.5pt"><span style="mso-spacerun: yes"><font face="Times New Roman">&nbsp;&nbsp; </font></span></span><span style="LINE-HEIGHT: 125%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-bidi-font-size: 10.5pt">（</span><span lang="EN-US" style="LINE-HEIGHT: 125%; mso-bidi-font-size: 10.5pt"><font face="Times New Roman">1</font></span><span style="LINE-HEIGHT: 125%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-bidi-font-size: 10.5pt">）点电荷一定是检验电荷。</span><span lang="EN-US" style="LINE-HEIGHT: 125%; mso-bidi-font-size: 10.5pt"><o:p></o:p></span></font></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21.75pt; LINE-HEIGHT: 125%"><font size="3"><span lang="EN-US" style="LINE-HEIGHT: 125%; mso-bidi-font-size: 10.5pt"><span style="mso-spacerun: yes"><font face="Times New Roman">&nbsp;&nbsp; </font></span></span><span style="LINE-HEIGHT: 125%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-bidi-font-size: 10.5pt">（</span><span lang="EN-US" style="LINE-HEIGHT: 125%; mso-bidi-font-size: 10.5pt"><font face="Times New Roman">2</font></span><span style="LINE-HEIGHT: 125%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-bidi-font-size: 10.5pt">）检验电荷一定是点电荷。</span><span lang="EN-US" style="LINE-HEIGHT: 125%; mso-bidi-font-size: 10.5pt"><o:p></o:p></span></font></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21.75pt; LINE-HEIGHT: 125%"><font size="3"><span lang="EN-US" style="LINE-HEIGHT: 125%; mso-bidi-font-size: 10.5pt"><span style="mso-spacerun: yes"><font face="Times New Roman">&nbsp;&nbsp; </font></span></span><span style="LINE-HEIGHT: 125%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-bidi-font-size: 10.5pt">（</span><span lang="EN-US" style="LINE-HEIGHT: 125%; mso-bidi-font-size: 10.5pt"><font face="Times New Roman">3</font></span><span style="LINE-HEIGHT: 125%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-bidi-font-size: 10.5pt">）点电荷不一定是检验电荷。</span><span lang="EN-US" style="LINE-HEIGHT: 125%; mso-bidi-font-size: 10.5pt"><o:p></o:p></span></font></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21.75pt; LINE-HEIGHT: 125%"><font size="3"><span style="LINE-HEIGHT: 125%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-bidi-font-size: 10.5pt">　</span><span style="LINE-HEIGHT: 125%; mso-bidi-font-size: 10.5pt"><font face="Times New Roman"> </font></span><span style="LINE-HEIGHT: 125%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-bidi-font-size: 10.5pt">（</span><span lang="EN-US" style="LINE-HEIGHT: 125%; mso-bidi-font-size: 10.5pt"><font face="Times New Roman">4</font></span><span style="LINE-HEIGHT: 125%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-bidi-font-size: 10.5pt">）检验电荷不一定是点电荷。</span><span lang="EN-US" style="LINE-HEIGHT: 125%; mso-bidi-font-size: 10.5pt"><o:p></o:p></span></font></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21.75pt; LINE-HEIGHT: 125%"><span style="LINE-HEIGHT: 125%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-bidi-font-size: 10.5pt"><font size="3">其中正确的是：</font></span><span lang="EN-US" style="LINE-HEIGHT: 125%; mso-bidi-font-size: 10.5pt"><o:p></o:p></span></p>
A:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">（</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">1</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">）和（</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">2</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">）</span>
B:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">（２）和（３）</span>
C:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">（３）和（４）</span>
D:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">以上说法都不正确。</span>

<img width="536" height="87" alt="" src="http://file.open.com.cn/ItemDB/43588/77163f83-83de-4702-9854-eca37a154449/2013102593916640.png" />&nbsp;
A:A
B:B
C:C
D:D

<img width="593" height="150" alt="" src="http://file.open.com.cn/ItemDB/43588/d0cf667c-c179-470f-8cf3-48feb87ad4b4/201310259225413.png" />&nbsp;
A:A
B:B
C:C
D:D

<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">用水平力<span lang="EN-US">F</span></span>_{<span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">N</span>}<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">把一个物体压着靠在粗糙的竖直墙面上保持静止。当<span lang="EN-US">F</span></span>_{<span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">N</span>}<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">逐渐增大时物体所受的静摩擦力的大小<span lang="EN-US">:</span></span>
A:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">不为零，但保持不变。</span>
B:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">随<span lang="EN-US">F</span></span>_{<span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">N</span>}<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">成正比地增大。</span>
C:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">开始随<span lang="EN-US">F</span></span>_{<span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">N</span>}<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">增大，达到某一最大值后保持不变。</span>
D:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">无法确定。</span>