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【简答题】
如图,四边形OABC是一张放在平面直角坐标系中的矩形纸片,点A在x轴上,点C在y轴上,将边BC折叠,使点B落在边OA的点D处,已知折叠CE= ,且tan∠EDA= 。 (1)判断△OCD与△ADE是否相似?请说明理由; (2)求直线CE与x轴交点P的坐标; (3)是否存在过点D的直线l,使直线l、直线CE与x轴所围成的三角形和直线l、直线CE与y轴所围成的三角形相似?如果存在,请直接写出其解析式并画出相应的直线;如果不存在,请说明理由。
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参考答案:
举一反三
【单选题】第二个例子,我在张家口坝上地区调查蔬菜的例子。坝上地区张北县某村,家家户户都种植大白菜,外地批发商老陈设立收购点在这个村收菜。村里有个大爷,家里种植蔬菜5亩多,脾气不好,那天跟老陈闹翻了。老陈表示以后坚决不收大爷的蔬菜,还鼓动附近村的批发商都不收大爷的蔬菜!大爷气炸了,可是批发商都不收蔬菜,让他怎么办啊?老伴都在地里气哭了,上万斤白菜就白白扔在地里烂了不成?我们反复强调“渠道”,实质就是人与人之间...
A.
农户要有个好儿子(或开大卡的女儿)
B.
农户被迫无奈,没有其他营销渠道
C.
农户被迫无奈,没有其他更好的营销渠道,且自己有一定的物流能力
查看完整题目与答案
【单选题】Katzenberg made a lawsuit against Disney because ______.
A.
Disney dismissed him before the contract expired
B.
Eisner insulted him in a magazine by calling him 'the little midget'
C.
Disney did not pay him in accordance with the contract
D.
Disney owed him $117 million
查看完整题目与答案
【判断题】刘勰的“踰立之梦”,表明他将追随孔子,践行儒家思想。
A.
正确
B.
错误
查看完整题目与答案
【单选题】What is the most distinguished feature of Disney?
A.
Disney was created and built by a person who drew cartoons and set up a company from nothing.
B.
Disney films were able to reflect the hopes and fears of ordinary people.
C.
Disney had affiliation with the FBI.
D.
Disney respected the rights belonging to everyone and possessed the democratic atmospher
查看完整题目与答案
【简答题】查阅相关资料,就模拟 项目 的 产品采用了哪些人员传播方式(直复营销 、人员推销)?分别进行简单介绍。并给出1-2点改进建议。 重点分析:产品是否有通过人员推销、产品目录、直邮、电话销售、网上呼叫中心等方式进行信息传播?
查看完整题目与答案
【判断题】直复营销就是电话营销。( )
A.
正确
B.
错误
查看完整题目与答案
【多选题】汽缸盖检验项目有
A.
汽缸盖扭曲
B.
汽缸盖平面变形
C.
汽缸盖裂纹
D.
汽缸盖火花塞螺纹孔损伤
E.
燃烧室容积改变量
查看完整题目与答案
【判断题】心脏骤停早期绝大部分是室颤。
A.
正确
B.
错误
查看完整题目与答案
【简答题】阅读 理解。 In 1995, Walt Disney (迪斯尼) himself opened the first Disn ey Park in Los Angeles , the USA . Later Disney world was opened in Florida in 1971 . It cost between $500 and $600 million to build . T...
查看完整题目与答案
【单选题】The best title of this story is ______.
A.
Walt Disney and His Mickey Mouse
B.
Walt Disney Becoming Famous
C.
One of the Most Famous Film Stars
D.
Walt Disney Drawing Pictures
查看完整题目与答案
相关题目:
【单选题】第二个例子,我在张家口坝上地区调查蔬菜的例子。坝上地区张北县某村,家家户户都种植大白菜,外地批发商老陈设立收购点在这个村收菜。村里有个大爷,家里种植蔬菜5亩多,脾气不好,那天跟老陈闹翻了。老陈表示以后坚决不收大爷的蔬菜,还鼓动附近村的批发商都不收大爷的蔬菜!大爷气炸了,可是批发商都不收蔬菜,让他怎么办啊?老伴都在地里气哭了,上万斤白菜就白白扔在地里烂了不成?我们反复强调“渠道”,实质就是人与人之间...
A.
农户要有个好儿子(或开大卡的女儿)
B.
农户被迫无奈,没有其他营销渠道
C.
农户被迫无奈,没有其他更好的营销渠道,且自己有一定的物流能力
查看完整题目与答案
【单选题】Katzenberg made a lawsuit against Disney because ______.
A.
Disney dismissed him before the contract expired
B.
Eisner insulted him in a magazine by calling him 'the little midget'
C.
Disney did not pay him in accordance with the contract
D.
Disney owed him $117 million
查看完整题目与答案
【判断题】刘勰的“踰立之梦”,表明他将追随孔子,践行儒家思想。
A.
正确
B.
错误
查看完整题目与答案
【单选题】What is the most distinguished feature of Disney?
A.
Disney was created and built by a person who drew cartoons and set up a company from nothing.
B.
Disney films were able to reflect the hopes and fears of ordinary people.
C.
Disney had affiliation with the FBI.
D.
Disney respected the rights belonging to everyone and possessed the democratic atmospher
查看完整题目与答案
【简答题】查阅相关资料,就模拟 项目 的 产品采用了哪些人员传播方式(直复营销 、人员推销)?分别进行简单介绍。并给出1-2点改进建议。 重点分析:产品是否有通过人员推销、产品目录、直邮、电话销售、网上呼叫中心等方式进行信息传播?
查看完整题目与答案
【判断题】直复营销就是电话营销。( )
A.
正确
B.
错误
查看完整题目与答案
【多选题】汽缸盖检验项目有
A.
汽缸盖扭曲
B.
汽缸盖平面变形
C.
汽缸盖裂纹
D.
汽缸盖火花塞螺纹孔损伤
E.
燃烧室容积改变量
查看完整题目与答案
【判断题】心脏骤停早期绝大部分是室颤。
A.
正确
B.
错误
查看完整题目与答案
【简答题】阅读 理解。 In 1995, Walt Disney (迪斯尼) himself opened the first Disn ey Park in Los Angeles , the USA . Later Disney world was opened in Florida in 1971 . It cost between $500 and $600 million to build . T...
查看完整题目与答案
【单选题】The best title of this story is ______.
A.
Walt Disney and His Mickey Mouse
B.
Walt Disney Becoming Famous
C.
One of the Most Famous Film Stars
D.
Walt Disney Drawing Pictures
查看完整题目与答案
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