【单选题】【消耗次数：1】
如果两直线在某一投影面上的投影互相垂直，而且其中有一条直线平行于该投影面，则两直线在空间位置的关系是（ ）。
①
不能确定
②
相交
③
平行
④
垂直
参考答案：
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相关题目
【单选题】
当直线、平面与投影面平行时，该投影面上的投影具有( )
①
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
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积聚性
②
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
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mso-style-parent:"";
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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;
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mso-fareast-theme-font:minor-fareast;
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真实性
③
Normal
0
7.8 磅
0
2
false
false
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ZH-CN
X-NONE
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类似收缩性
④
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
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mso-tstyle-colband-size:0;
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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;
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收缩性
随机题目
【多选题】
通过乡村精英的制度培育，实现乡村振兴,其内容包括().
①
A.加大乡村发展的政策投资力度
②
B.建立常态化的精英吸纳机制
③
C.提高村庄精英的生活待遇
④
D.完善农村社会保障制度