皮皮学，免费搜题
登录
logo - 刷刷题
搜题
【简答题】
已知四边形ABCD，以此四边形的四条边为分别作正方形，顺次连结这四个正方形的对角线交点E，F，G，H，得到一个新四边形EFGH. （1）如图1，若四边形ABCD是正方形，则四边形EFGH（    ）（填“是”或“不是”）正方形； （2）如图2，若四边形ABCD是矩形，则（1）中的结论（    ）（填“能”或“不能”）成立； （3）如图3，若四边形ABCD是平行四边形，其他条件不变， 判断（1）中的结论是否还成立？若成立，证明你的结论，若不成立，请说明你的理由.
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案：
举一反三
【简答题】A．Men from Mars or space adventure. B．The results of technical developments on science. C．The results of technical developments on human mind. D．None of above.
查看完整题目与答案
【单选题】If men are from Mars and women are from Venus, it may explain at least one of their shared beliefs: Men and women can't be real friends. Many may point to the jealousy that plagues many rational peopl...
A.
Stop being friends with.
B.
Go on a date with.
C.
Become friends with.
D.
Have a fancy or particular liking or desire for.
查看完整题目与答案
【单选题】既能温中行气，又能涩肠止泻的药物是
A.
豆蔻
B.
草豆蔻
C.
肉豆蔻
D.
草果
查看完整题目与答案
【单选题】这个故事告诉我们一个什么道理?
A.
要乐观生活
B.
要学会交友
C.
要尊重别人
D.
要学会感恩
查看完整题目与答案
【单选题】What is the book, Men are from Mars, Women Are from Venus , about ?
A.
American culture and customs .
B.
How men and women are treated differently .
C.
How men and women behave differently .
D.
How a man ’ s mind differs from a woman 's.
查看完整题目与答案
【单选题】既能温中行气，又能涩肠止泻的药物是
A.
白豆蔻
B.
莲子
C.
肉豆蔻
D.
赤石脂
E.
砂仁
查看完整题目与答案
【单选题】在船体结构中，规范规定的次要构件是指
A.
板的扶强构件
B.
船体的主要支撑构件
C.
组合肋板的骨材
D.
舱壁扶强材
查看完整题目与答案
【单选题】The saying “men are from Mars and women are from Venus” correctly denotes that _________.
A.
males and females are different.
B.
males and females are similar.
C.
males and females are the same.
D.
males and females do not come from the Earth.
查看完整题目与答案
【简答题】这个故事告诉我们一个什么道理?
查看完整题目与答案
【简答题】在船体结构中,规范规定的次要构件是指
查看完整题目与答案
相关题目：
【简答题】A．Men from Mars or space adventure. B．The results of technical developments on science. C．The results of technical developments on human mind. D．None of above.
查看完整题目与答案
【单选题】If men are from Mars and women are from Venus, it may explain at least one of their shared beliefs: Men and women can't be real friends. Many may point to the jealousy that plagues many rational peopl...
A.
Stop being friends with.
B.
Go on a date with.
C.
Become friends with.
D.
Have a fancy or particular liking or desire for.
查看完整题目与答案
【单选题】既能温中行气，又能涩肠止泻的药物是
A.
豆蔻
B.
草豆蔻
C.
肉豆蔻
D.
草果
查看完整题目与答案
【单选题】这个故事告诉我们一个什么道理?
A.
要乐观生活
B.
要学会交友
C.
要尊重别人
D.
要学会感恩
查看完整题目与答案
【单选题】What is the book, Men are from Mars, Women Are from Venus , about ?
A.
American culture and customs .
B.
How men and women are treated differently .
C.
How men and women behave differently .
D.
How a man ’ s mind differs from a woman 's.
查看完整题目与答案
【单选题】既能温中行气，又能涩肠止泻的药物是
A.
白豆蔻
B.
莲子
C.
肉豆蔻
D.
赤石脂
E.
砂仁
查看完整题目与答案
【单选题】在船体结构中，规范规定的次要构件是指
A.
板的扶强构件
B.
船体的主要支撑构件
C.
组合肋板的骨材
D.
舱壁扶强材
查看完整题目与答案
【单选题】The saying “men are from Mars and women are from Venus” correctly denotes that _________.
A.
males and females are different.
B.
males and females are similar.
C.
males and females are the same.
D.
males and females do not come from the Earth.
查看完整题目与答案
【简答题】这个故事告诉我们一个什么道理?
查看完整题目与答案
【简答题】在船体结构中,规范规定的次要构件是指
查看完整题目与答案
参考解析：
知识点：
题目纠错 0
发布
创建自己的小题库 - 刷刷题