题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041858-12014.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041858-87581.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041858-95349.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041859-24538.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041859-80534.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041859-45600.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041859-98867.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041900-96413.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041900-61564.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041900-36885.gif)
答案
解析
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041852-44361.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041853-15294.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041853-95085.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041853-15294.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041853-59673.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041853-61491.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041854-53644.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041854-65421.gif)
⑴求证:平面
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041854-64957.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041854-64978.gif)
⑵求三棱锥
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041855-23430.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041848-62853.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041848-24313.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041848-29282.png)
A.a∥b或a与b异面 | B.a∥b | C.a与b异面 | D.a与b相交 |
M为AB的中点
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041840-20133.png)
(1)求证:BC//平面PMD
(2)求证:PC⊥BC;
(3)求点A到平面PBC的距离.
如图,在六面体
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041827-86180.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041827-44862.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041827-73214.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041827-34263.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041827-73214.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041828-55852.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041828-52102.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041828-92653.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041828-72321.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041829-46513.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041829-30553.png)
(1)求证:平面
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041829-21202.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041827-73214.png)
(2)求证:
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041829-48826.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041830-20090.png)
(3)求三棱锥
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041830-36035.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041830-82746.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041818-39774.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041818-57185.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041818-39774.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041819-29721.png)
且
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041819-28292.png)
(1)求证:
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041819-38282.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041820-24815.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041820-35089.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041820-52894.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106041820-25311.jpg)
最新试题
- 1下列有关对人体消化系统的描述中,不正确的是[ ]A.所有的消化液都含有消化酶 B.所有的
- 2控制噪声可以从三个方面入手,下面关于控制噪声的措施的说法,正确的是( )A.摩托车的消声器是防止噪声进入耳朵B.城市道
- 3若,则的值是
- 4一路走高的房价,已成为百姓生活不堪承受之重,也引起政府部门的高度重视。对住房价格上涨得快,控制措施不当,造成当地房地产市
- 5—Will you come to the dinner party this Sunday? —I
- 6(10分)下图表示800℃时,A、B、C三种气体物质的浓度随时间变化的情况,t表示时间。试回答:(1)该反应的反应物是
- 7 in China are different from those in Europe. [
- 8如图为桃花结果示意图,其中能发育成桃子的结构是( )A.AB.BC.CD.D
- 9How can these experts just choose to keep the “right” part o
- 10The pay is not good, but people usually find social work ___
热门考点
- 1Now satellites are helping to forecast(预报)the weather. They
- 2A terrible earthquake broke out in Yushu, Xinjiang several d
- 3选词填空。tea, first, best, is, reached, from, since
- 4下面的布料能做成如图所示图案的上衣的是( )A.B.C.D.
- 5“科技奥运、绿色奥运”为LED(发光二极管)产业提供了广阔的发展空间。就LED应用场合而言,从中轴路到奥运会代表性场馆,
- 6当某人在室内煤气中毒而昏迷,但尚有微弱呼吸时,你对他实施急救的首要措施是A.加盖棉被保暖B.将其迅速转移到通风处C.立即
- 73x-3y=42x+4y=223.
- 8.若代数式y2+3y的值为5,则代数式4y2+12y-20的值是 ;
- 9人体血液流经肺进行气体交换后,血液成分的变化情况是( )。A.二氧化碳浓度上升,氧气浓度下降B.二氧化碳浓度上升,氧气浓
- 10(1)计算:(-2)0÷14×(12)-2-23;(2)化简:12+3-122.