题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094815-85246.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094816-41358.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094816-81791.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094816-68807.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094816-11666.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094817-14431.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094817-35321.png)
(1)如图①,当
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094817-74609.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094816-68807.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094816-11666.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094817-15093.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094818-50777.jpg)
(2)如图②,当
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094817-74609.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094818-25284.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094818-69825.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094818-96800.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094819-94911.jpg)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094819-47773.png)
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094816-41358.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094819-28442.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094819-53938.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094820-97583.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094820-71571.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094820-39948.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094820-58668.png)
又
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094816-41358.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094816-81791.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094821-98815.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094821-83998.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094819-47773.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094821-68238.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094819-47773.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094821-82078.png)
再由
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094819-28442.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094822-15441.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094822-92690.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094822-71144.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094822-40592.png)
(2)过
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094816-41358.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094819-28442.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094819-53938.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094820-97583.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094820-71571.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094823-44874.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094823-58361.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094823-25838.png)
由△
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094820-39948.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094823-76232.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094821-83998.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094819-47773.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094821-68238.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094824-40153.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094824-84646.png)
再由△
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094822-92690.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094824-77899.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094824-44584.png)
由勾股定理可知
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094825-19967.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094825-52508.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094825-49678.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094824-84646.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094825-60744.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094826-67793.png)
则∠
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094826-19503.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094826-57545.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094826-62704.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094826-19503.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094827-57277.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094827-75987.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094806-12654.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094806-95923.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094806-96397.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094806-59087.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094807-69849.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094807-61134.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094807-40960.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094807-11757.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094807-88891.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094808-13587.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094808-42706.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094808-48137.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094758-37318.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094758-21722.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094758-74742.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094758-23740.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094758-66976.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094759-91214.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094759-18225.png)
(1)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094759-38378.png)
(2)确定目的地C在营地
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094758-37318.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094748-56584.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094744-76979.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104094742-51891.png)
最新试题
- 120世纪初,英国放弃“光荣孤立”政策转向与法、俄结盟的最重要原因是 A.军事力量明显削弱B.三国同盟已经形成C.霸主地位
- 2下列五种物质:①石灰水②生石灰③石灰石④熟石灰⑤石灰乳。其中主要成分为同一种物质的是( )A.①③⑤B.①④⑤C.③④
- 3把质量相等的铜块和铝块浸没水中(ρ铜>ρ铝),下列说法中正确的是( )A.铜块受到的浮力较大B.铝块受到的浮力较大C.
- 4已知向量,满足,且,则与的夹角为
- 5把下列物质:①面粉②面碱③植物油④蔗糖⑤高锰酸钾⑥酒精⑦细沙⑧汽油分别放入水中,充分搅拌,可得到溶液的有________
- 6对于溶解度随温度升高而变大的物质,常采用冷却热饱和溶液结晶法.先在较高温度下制得该物质的饱和溶液,然后使它冷却,快速冷却
- 7— I don’t understand why you didn’t go to the lecture yester
- 8长江洪水对长江流域危害最严重的地区是( ) A.上游峡谷地区B.上、中游的水电站C.四川盆地D.中下游平原地区
- 9If human beings had been a bit less greedy and cruel, more b
- 102011年,中央决定大幅减免新疆困难地区企业所得税,免除新疆困难地区公益性项目的配套资金,同时,全国19个省市对口援助新
热门考点
- 1【题文】根据下面一副对联的上联,写出下联。(4分) 上联:甲金篆隶,字里乾坤惊风雨下联:_____
- 2如图是一台54英寸的大背投彩电放置在墙角的俯视图.设∠DAO=a,彩电后背AD平行于前沿BC,且与BC的距离为60cm,
- 3根据如图填写:①写出各种仪器的名称:A_______ B______ C______ D______ E______F_
- 4下列水中生活的动物,属于脊椎动物的是( )A.海蜇B.章鱼C.梭子蟹D.鲫鱼
- 5已知两条直线l1:y=m和l2:y=,l1与函数y=|log2x|的图象从左至右相交于点A、B,l2与函数y=|log2
- 6生态系统结构越复杂,其调节能力就越大,原因是①处于同一营养级的生物种类多 ②能量可通过不同的食物链传递到顶级 ③某营养级
- 7阅读下文,回答问题。修炼善良的心 构建和谐社会,需要构建良好的社会心态,需要修炼一颗善良的心。 “善良”,就是心地纯
- 8根据课文内容,在空格内填入正确的英语单词,并将该词完整的写在答题卷上。所填单词要求与课文一致,每空一词。小题1:Thro
- 9如图,在Rt△ABC中,∠C=90°,AD是∠CAB的平分线交BC于点D,过点D作DE⊥AD交AB于点E,过点E作EF⊥
- 10完成对话。A: What can I do for you, sir?B: I"m looking for a whi