按真实条件找题
可以组合年级、学科、难度、题型和知识点搜索;筛选结果页不单独参与索引,避免重复页面分散权重。
游客可浏览题目与选项;登录后可免费组卷并下载学生卷。答案解析、练习判分和错题本由 VIP 解锁。
高频错题
#1 · 常错题
今年市委市政府积极推进创建“全国文明城市”工作,市创城办公室为了调查初中学生对“社会主义核心价值观”内容的了解程度\((\)程度分为:“\(A-\)十分熟悉”,“\(B-\)了解较多”,“\(C-\)了解较少”,“\(D-\)不知道”\()\),对我市一所中学的学生进行了随机抽样调查,根据调查结果绘制了两幅不完整的统计图如图,根据信息解答下列问题: \((1)\)本次抽样调查了多少名学生; \((2)\)补全条形统计图和扇形统计图; \
#2 · 常错题
在平面直角坐标系中,点A的坐标为(1,1),点B的坐标为(11,1),点 C 到直线 AB的距离为4,且△ABC是直角三角形,则满足条件的点 C 有个.
#3 · 常错题
如图所示,直线AB、CD相交于点O,OM⊥AB, (1)若∠1=∠2,求∠NOD的度数 1 (2)若∠1=∠BOC,求∠AOC和∠MOD的度数. 4
#4 · 常错题
分类讨论思想是数学的重要思想,在学习有理数的过程中,也深有感受$!$ $(1)$当$ab \lt 0$时,若$b \gt 0$,$|a| \lt |b|$,则$a+b \_\_\_\_\_\_0$; $(2)$当$abc \lt 0$时,若$ab \gt 0$,则$c \_\_\_\_\_\_0$; $(3)$已知$a$,$b$,$c$是非零有理数,则$\frac{a}{|a|}+\frac{b}{|b|}+\frac{c}{|c|}=
#5 · 常错题
一批水果的标准质量是$30$千克,超出标准质量记为正,低于标准质量记为负,现记录如下:$+8$,$-9$,$-5$,$+7$,$-8$,$-6$,$+7$,$+10$. $(1)$这批水果总共有多少千克? $(2)$第一天按每千克价格$5$元卖出了这批水果的一半,第二天为了吸引顾客把第一天卖水果的价格降价$20\%$后作为新的价格,卖完了剩下的水果,请计算一下这批水果一共卖了多少钱?
#6 · 常错题
将循环小数化为分数:整数、有限小数、循环小数都可以化成分数,整数和有限小数化成分数容易,循环小数如何化成分数呢?请看下面的例子. 将循环小数$0.288\ldots $化成分数:将$0.288\ldots $分别乘$10$和$100$,得$2.88\ldots $和$28.88\ldots $,两个得数相减得$26(两个得数小数部分相同)$,而相减所得的$26$应该是$0.288\ldots $的$\left(100-10\right)
精选练习题目
等腰$Rt\triangle ABC$中,$\angle BAC=90^{\circ}$,点$A$、点$B$分别是$x$轴、$y$轴两个动点,直角边$AC$交$x$轴于点$D$,斜边$BC$交$y$轴于点$E$. $(1)$如图$\left(1\right)$,若$A\left(0,2\right)$,$B\left(3,0\right)$,求$C$点的坐标; $(2)$如图(2),当点$D$恰为$AC$中点时,连接$DE$,求证:$B
查看题目详情 →
You should be more ______ (耐心的) with your child.
查看题目详情 →
As a Grade 8 student,you should try to look after y ______.
查看题目详情 →
John is an h ______ man and never tell lies to his friends.
查看题目详情 →
I\’m ______ (口渴的),and I want something to drink.
查看题目详情 →
Yesterday I was shopping for a few items (商品).My son just left university.With nothing to do at home,he was ready to go together with me. As I pushed the basket towards the checkout (付款台),I checked my items to see how ma
查看题目详情 →
Everyone needs friends.As the old saying goes,"Friendship is one mind in two bodies." But how can you find a real friendship and keep it?The Care and Keeping of Friends written by American author Nadine Bernard Westcott
查看题目详情 →
Do you want to know something about children in Africa?Find out here. Education School is expensive for many African children.Lots of families can\’t afford school uniforms or exercise books even though (即使) they don\’t
查看题目详情 →
Morning Afternoon Saturday,26 April sunny cloudy Sunday,27 April rainy rainy Monday,28 April cloudy,windy sunny,windy Tuesday,29 April sunny sunny Wednesday,30 April sunny sunny Thursday,1 May cloudy,windy rainy Friday,2
查看题目详情 →
I have (1)______ taken cooking classes.I only learnt cooking (2)______ my mother because she was really (3)______ in teaching me how to cook.The main reason (4)______ that when my mother got married (结婚),she didn\’t know
查看题目详情 →
-Shall we go climbing this weekend? -_______. But we\’ll have to finish our homework before that.( )
查看题目详情 →
To Lei Feng,_________ to people in need is the most meaningful thing.( )
查看题目详情 →
Why not a diary to practise English?( )
查看题目详情 →
It\’s important for us to know that _______ trees we plant,___________ our planet will be.( )
查看题目详情 →
—_________? —He is funny and friendly.( )
查看题目详情 →
Beijing is one of in the world.( )
查看题目详情 →
Dan is than Jack,but he is at playing basketball than Jack.( )
查看题目详情 →
—I\’m so hungry.Can I have ? —Yes,there is some cake on the table.( )
查看题目详情 →
She likes singing and I always hear her ___________through the wall.( )
查看题目详情 →
—What do you think of her paintings? —Very good.I think she has a good ____of art.( )
查看题目详情 →
题库使用说明
可以组合年级、学科、难度、题型和知识点搜索;筛选结果页不单独参与索引,避免重复页面分散权重。
题干与选项可直接浏览;答案解析、判分、错题本和针对训练需要 VIP。
发现薄弱知识点后可继续组卷或练同类题,把一次搜索转成后续练习和错题复盘。