河南成教 / 高等数学Ⅰ
正确率：100%
4[单选题]
<p style="TEXT-JUSTIFY: inter-ideograph; FONT-SIZE: 10.5pt; MARGIN: 0cm 0cm 0pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: justify"><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体">平面<span><img style="VERTICAL-ALIGN: middle" height="20" width="144" src="http://www.jxjypt.cn/Content/Scripts/ewebeditor10/uploadfile/exam/201307/20130710152659210001.gif"></span>过<span><img style="VERTICAL-ALIGN: middle" height="13" width="13" src="http://www.jxjypt.cn/Content/Scripts/ewebeditor10/uploadfile/exam/201307/20130710152659565002.gif"></span>轴，则<span>(<span> </span>)</span></span></p>
<p style="TEXT-JUSTIFY: inter-ideograph; FONT-SIZE: 10.5pt; MARGIN: 0cm 0cm 0pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: justify; tab-stops: 36.0pt"><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体"><img style="VERTICAL-ALIGN: middle" height="21" width="27" src="http://www.jxjypt.cn/Content/Scripts/ewebeditor10/uploadfile/exam/201307/20130710152659636003.gif"><img style="VERTICAL-ALIGN: middle" height="16" width="71" src="http://www.jxjypt.cn/Content/Scripts/ewebeditor10/uploadfile/exam/201307/20130710152659611004.gif"><span> </span><span> </span><img style="VERTICAL-ALIGN: middle" height="21" width="27" src="http://www.jxjypt.cn/Content/Scripts/ewebeditor10/uploadfile/exam/201307/20130710152659490005.gif"><img style="VERTICAL-ALIGN: middle" height="19" width="83" src="http://www.jxjypt.cn/Content/Scripts/ewebeditor10/uploadfile/exam/201307/20130710152659845006.gif"><span> </span><img style="VERTICAL-ALIGN: middle" height="21" width="27" src="http://www.jxjypt.cn/Content/Scripts/ewebeditor10/uploadfile/exam/201307/20130710152659461007.gif"><img style="VERTICAL-ALIGN: middle" height="19" width="83" src="http://www.jxjypt.cn/Content/Scripts/ewebeditor10/uploadfile/exam/201307/20130710152659176008.gif"><span> </span><span> </span><span> </span><img style="VERTICAL-ALIGN: middle" height="21" width="28" src="http://www.jxjypt.cn/Content/Scripts/ewebeditor10/uploadfile/exam/201307/20130710152659639009.gif"><img style="VERTICAL-ALIGN: middle" height="16" width="69" src="http://www.jxjypt.cn/Content/Scripts/ewebeditor10/uploadfile/exam/201307/20130710152659092010.gif"></span></p>
A.A
B.B
C.C
D.D
<p style="TEXT-JUSTIFY: inter-ideograph; FONT-SIZE: 10.5pt; MARGIN: 0cm 0cm 0pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: justify"><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体">平面<span><img style="VERTICAL-ALIGN: middle" height="20" width="144" src="http://www.jxjypt.cn/Content/Scripts/ewebeditor10/uploadfile/exam/201307/20130710152659210001.gif"></span>过<span><img style="VERTICAL-ALIGN: middle" height="13" width="13" src="http://www.jxjypt.cn/Content/Scripts/ewebeditor10/uploadfile/exam/201307/20130710152659565002.gif"></span>轴，则<span>(<span> </span>)</span></span></p>
<p style="TEXT-JUSTIFY: inter-ideograph; FONT-SIZE: 10.5pt; MARGIN: 0cm 0cm 0pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: justify; tab-stops: 36.0pt"><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体"><img style="VERTICAL-ALIGN: middle" height="21" width="27" src="http://www.jxjypt.cn/Content/Scripts/ewebeditor10/uploadfile/exam/201307/20130710152659636003.gif"><img style="VERTICAL-ALIGN: middle" height="16" width="71" src="http://www.jxjypt.cn/Content/Scripts/ewebeditor10/uploadfile/exam/201307/20130710152659611004.gif"><span> </span><span> </span><img style="VERTICAL-ALIGN: middle" height="21" width="27" src="http://www.jxjypt.cn/Content/Scripts/ewebeditor10/uploadfile/exam/201307/20130710152659490005.gif"><img style="VERTICAL-ALIGN: middle" height="19" width="83" src="http://www.jxjypt.cn/Content/Scripts/ewebeditor10/uploadfile/exam/201307/20130710152659845006.gif"><span> </span><img style="VERTICAL-ALIGN: middle" height="21" width="27" src="http://www.jxjypt.cn/Content/Scripts/ewebeditor10/uploadfile/exam/201307/20130710152659461007.gif"><img style="VERTICAL-ALIGN: middle" height="19" width="83" src="http://www.jxjypt.cn/Content/Scripts/ewebeditor10/uploadfile/exam/201307/20130710152659176008.gif"><span> </span><span> </span><span> </span><img style="VERTICAL-ALIGN: middle" height="21" width="28" src="http://www.jxjypt.cn/Content/Scripts/ewebeditor10/uploadfile/exam/201307/20130710152659639009.gif"><img style="VERTICAL-ALIGN: middle" height="16" width="69" src="http://www.jxjypt.cn/Content/Scripts/ewebeditor10/uploadfile/exam/201307/20130710152659092010.gif"></span></p>
参考答案：