单选题:在空间中,下列命题正确的是(  ).

  • 题目分类:小学数学
  • 题目类型:单选题
  • 查看权限:VIP
题目内容:
在空间中,下列命题正确的是(  ). A.平行直线的平行投影重合
B.平行于同一直线的两个平面平行
C.垂直于同一平面的两个平面平行
D.垂直于同一平面的两条直线平行

参考答案:
答案解析:

情景:你请外国朋友Lara帮你在国外买一本书。任务: 请你用英语给她写一封50个词左右的电子邮件,内容包括: ●书名及作

情景:你请外国朋友Lara帮你在国外买一本书。任务: 请你用英语给她写一封50个词左右的电子邮件,内容包括: ●书名及作者; ●买书的原因; ●如何把书

查看答案

Who often worked as a mail cartier when there was no post se

Who often worked as a mail cartier when there was no post service? A.A hotel own

查看答案

根据下面资料,回答题 Farmers do not like crows (乌鸦) because these bird

根据下面资料,回答题 Farmers do not like crows (乌鸦) because these birds eat newly-planted

查看答案

People wear it to get to know the time.

People wear it to get to know the time.

查看答案

Morgan wanted to show her father that she could take care___

Morgan wanted to show her father that she could take care________a horse. A.for

查看答案