题目
题型:单选题难度:简单来源:不详
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817083919-57436.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817083919-42184.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817083919-54761.png)
A.![]() | B.![]() | C.![]() | D.![]() |
答案
解析
试题分析:
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817083920-62338.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817083920-51680.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817083921-11132.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817083919-57436.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817083919-42184.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817083921-61237.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817083916-20480.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817083917-74178.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817083912-91194.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817083912-61687.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817083909-98922.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817083910-97551.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817083910-34371.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817083910-67686.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817083904-27509.png)
(I)当
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817083904-52796.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817083905-21759.png)
(Ⅱ)若
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817083905-24077.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817083904-52796.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817083903-41398.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817083903-50342.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817083903-67496.png)
A.![]() | B.![]() | C.![]() | D.![]() |
最新试题
- 1设A-B=,若,则A-B等于( )A.{1,2,3,4,5,7,9}B.{1,2,4}C.{1,2,4,7,9}D.
- 2《老汉向儿子讨要生活费未果被其连砍五六分钟》(摘自2010年12月13日《现代金报》)有什么过不去的坎,儿子竟刀砍父亲五
- 3The sign " ________" is usually seen on the box with glass
- 4A、B、C、D、E、F、G都是短周期元素,原子序数依次增大,B、C、D同周期,A、E同主族,D、G同主族。A、C能形成两
- 5(7分)某校科技小组设计了一个简易的电热器,电路原理如图所示,其中U="10" V, R1="10" Ω,R2="15"
- 6亮亮家是种植蔬菜的专业户.通过一年初三化学的学习,他发现自家的蔬菜生长不茂盛,叶色淡黄.(1)他应该建议父母去买____
- 7(本小题为选做题,满分10分)设点分别是曲线和上的动点,求动点间的最小距离.
- 8I"m glad to find that many trees ________ in our city last y
- 9(本题满分12分)在直角坐标系中,点到两点,的距离之和等于,设点的轨迹为。(1)求曲线的方程; (2)过点作两条互相垂直
- 10如图,△ABC中,DE//BC,DE分别交 边AB、AC于D、E两点,若AD:AB=1:3,则△ADE与△ABC的面积比
热门考点
- 1中国日报网载文指出,“十二五”期间处理好“做蛋糕”与“分蛋糕”之间关系意义尤为重大。“做大蛋糕”是“分好蛋糕”的基础与前
- 2函数y=的定义域是[ ]A.[﹣,﹣1)∪(1,]B.(﹣,﹣1)∪(1,)C.[﹣2,﹣1)∪(1,2]D.(
- 3世界上第一个证实电与磁之间联系的物理事实是()A.磁化现象B.地磁场的发现C.奥斯特实验D.电流的热效应
- 4发展教育和科学,是发展先进文化的重要内容和中心环节。( )
- 519世纪中期,日本闭关锁国政策***的最主要原因是 [ ]A.日本商品经济和资本主义因素的发展 B.统治
- 6北半球自西向东流动的河流一般会出现:①南岸为侵蚀岸、②北岸为侵蚀岸、③南岸为沉积岸、④北岸为沉积岸[ ]A、①④
- 7阅读理解。 I hated dinner parties. But I decided to give them
- 826.It’s surprising that this respectable gentleman should ha
- 9根据对话内容,从对话后的选项中选出能填入空白处的最佳选项,选项中有两项多余选项。--What seems to be t
- 10(6分)写出下列物质或微粒的电子式 (1) Ar (2)CO2 (