【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/08346F48D7486C3D2176AAD25AD9D512.png title=30.png alt=30.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/2409E7D3301CC0E5C99413938C5000BF.png title=30-1.png alt=30-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/3FB0A2194D2A084E593697287297D7E2.png title=30-2.png alt=30-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/FC093644713AA255529273658DEBECA6.png title=30-3.png alt=30-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/B7FCDFFF8BE05B08EDD38F068DA67DED.png title=30-4.png alt=30-4.png/>
【单选题】
已知A、B、C三点坐标分别为(10、20、30)(20、40、60)、(30、60、90),则A、B、C三点______。
①
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
/* Style Definitions */
table.MsoNormalTable
{mso-style-name:普通表格;
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-noshow:yes;
mso-style-priority:99;
mso-style-parent:"";
mso-padding-alt:0cm 5.4pt 0cm 5.4pt;
mso-para-margin:0cm;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:10.5pt;
mso-bidi-font-size:11.0pt;
font-family:等线;
mso-ascii-font-family:等线;
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mso-fareast-font-family:等线;
mso-fareast-theme-font:minor-fareast;
mso-hansi-font-family:等线;
mso-hansi-theme-font:minor-latin;
mso-font-kerning:1.0pt;}
表示一个平面
②
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
/* Style Definitions */
table.MsoNormalTable
{mso-style-name:普通表格;
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-noshow:yes;
mso-style-priority:99;
mso-style-parent:"";
mso-padding-alt:0cm 5.4pt 0cm 5.4pt;
mso-para-margin:0cm;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:10.5pt;
mso-bidi-font-size:11.0pt;
font-family:等线;
mso-ascii-font-family:等线;
mso-ascii-theme-font:minor-latin;
mso-fareast-font-family:等线;
mso-fareast-theme-font:minor-fareast;
mso-hansi-font-family:等线;
mso-hansi-theme-font:minor-latin;
mso-font-kerning:1.0pt;}
不能表示一个平面
③
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
/* Style Definitions */
table.MsoNormalTable
{mso-style-name:普通表格;
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-noshow:yes;
mso-style-priority:99;
mso-style-parent:"";
mso-padding-alt:0cm 5.4pt 0cm 5.4pt;
mso-para-margin:0cm;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:10.5pt;
mso-bidi-font-size:11.0pt;
font-family:等线;
mso-ascii-font-family:等线;
mso-ascii-theme-font:minor-latin;
mso-fareast-font-family:等线;
mso-fareast-theme-font:minor-fareast;
mso-hansi-font-family:等线;
mso-hansi-theme-font:minor-latin;
mso-font-kerning:1.0pt;}
表示一个特殊位置平面
④
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
/* Style Definitions */
table.MsoNormalTable
{mso-style-name:普通表格;
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-noshow:yes;
mso-style-priority:99;
mso-style-parent:"";
mso-padding-alt:0cm 5.4pt 0cm 5.4pt;
mso-para-margin:0cm;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:10.5pt;
mso-bidi-font-size:11.0pt;
font-family:等线;
mso-ascii-font-family:等线;
mso-ascii-theme-font:minor-latin;
mso-fareast-font-family:等线;
mso-fareast-theme-font:minor-fareast;
mso-hansi-font-family:等线;
mso-hansi-theme-font:minor-latin;
mso-font-kerning:1.0pt;}
无法判断
【单选题】
<img title=30.jpg alt=30.jpg src=https://huaweicloudobs.ahjxjy.cn/993B9D4F25F70CD153F67DFF3C976BC5.jpg/>
①
<img title=30-1.jpg alt=30-1.jpg src=https://huaweicloudobs.ahjxjy.cn/F61644716BED5386222BAD6D23B76038.jpg/>
②
<img title=30-2.jpg alt=30-2.jpg src=https://huaweicloudobs.ahjxjy.cn/9FFF8206D1816A77BB8EABF1964775F6.jpg/>
③
<img title=30-3.jpg alt=30-3.jpg src=https://huaweicloudobs.ahjxjy.cn/AEDCE38B184A9AA94754CAA83138370B.jpg/>
④
<img title=30-4.jpg alt=30-4.jpg src=https://huaweicloudobs.ahjxjy.cn/B27243DF505B30865A3AD075378970C2.jpg/>