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
#2 · 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)
#3 · 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; \
#4 · 常错题
#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
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|}=
精选练习题目
判断画线部分读音是否相同,相同的写"✔",不同的写"x". A.th ir d B.f ir st ______
查看题目详情 →
判断画线部分读音是否相同,相同的写"✔",不同的写"x". A.r a bbit B.sp a ceship ______
查看题目详情 →
The TAJ 100 years of pictures THEN AND NOW See the Taj in history from 19 : 00 to 20 : 00 Photography Show City Art Museum 720 High Street Tuesday to Sunday 10 a . m to 5 p . m AFRICAN SAFARI PARK A Driver-through Zoo Dr
查看题目详情 →
Once a young man was travelling by train. It was a long and boring journey. As the train was moving ________ a wilderness( 荒野 ), the passengers looked out of the windows ________ . When the train reached a bend( 拐弯处 ), i
查看题目详情 →
Miss Zhao is very helpful. She often helps us ____we are in trouble.
查看题目详情 →
I’m sure I can improve ____in spoken English in two years’ time.
查看题目详情 →
我们都知道运动有益于身心健康.请以"Playing sports is good for me"为题,并根据以下要点和要求用英语写一篇短文. 要点: (1)你经常参加什么运动? (2)运动给你带来了什么好处? (3)你未来的打算. 要求: (1)词数100左右; (2)可适当发挥,条理清晰,语意连贯; (3)文中不得出现真实姓名,学校和班级名称. _____________________________________________
查看题目详情 →
A:Good afternoon!(1)______? B:I\’m going to visit Kangkang tomorrow.He is ill. A:I\’m sorry to hear that.(2)______? B:He has a headache. A:What caused it? B:He told me that he watched a soccer game on TV last night and w
查看题目详情 →
Some young people are worrying about acne(青春痘)on their faces and some are worrying about their figures(身材).Do you know what the secret of beauty is?Think of smile and health.and then you may find the answer. (1)______was
查看题目详情 →
hold excite cousin jump message ring whether gold shall on Yesterday my cousin gave me a call,but the telephone line was too busy,so I didn\’t get it.Later,he left a(1)______for me.What\’s it about? Next Saturday,there w
查看题目详情 →
Yoga(瑜伽)is a kind of(1)______.Everyone,both the young and the old can do yoga.It is very(2)______around the world now.It\’s good for(3)______men and women.(4)______do people like yoga?There is a short answer and a long a
查看题目详情 →
Did you see a dentist before?Have you suffered the toothache late in the night?Taking care of your teeth is necessary(必要的).And it\’s important to have healthy teeth.They can help you speak clearly.Do you want to have hea
查看题目详情 →
In the 1936 Olympic Games in Berlin,there were only two players with a chance to win the gold medal in the final of the long jump.One was Lutz Long,a German long jumper,and the other was Jesse Owens,a black American. At
查看题目详情 →
SUNSHINE SPORTS SKILLS TRAINING FOR BOYS Do you have plans for your holiday?Are you a sports lover looking for skill development(提升)in the summer holiday?Joy of the Game(JG)was founded(成立)in 2011.Come and join JG to deve
查看题目详情 →
假如你是李明,你想在班会上介绍自己,请根据提示写一段英文的自我介绍,让大家更了解你. 要点: (1)介绍自己的基本情况 (Basic information); (2)介绍自己的兴趣爱好 (Hobby) (3)表达期待(Hope). 要求: (1)文中不能出现学生真实姓名和班级; (2)词数 60左右,可适当发挥想象; (3)字迹工整,书写规范,表达正确. _______
查看题目详情 →
Hello,everyone!My name is Peter.As a student,my parents often ask me to learn new things at a young age.However,I think this is not right. Take myself as an example,I started playing basketball when I was 20.My friend Ja
查看题目详情 →
Huabobo(花饽饽) is a kind of traditional(传统的) food in Shandong.(B) It has a history of more than 300 years,and people in Shandong like it very much .They usually eat it on special days,such as festivals,weddings(婚礼) and bir
查看题目详情 →
Look (1)______ this boy.He is (2)______ English boy.His (3)______ (one) name is Alan.His last name is Brown.He can (4)______ (speak) English well.This is his school.(5)______ (he) school ID is 36872368.His teacher is Mis
查看题目详情 →
左栏是五个人物的介绍,右栏是七种课程的简介,请为每个人选出最合适的课程.选项中有两项为多余选项. (1)______Chen Ming is going to Australia for holiday next year. A.Piano (9 a.m.-11 a.m.Sunday) Learn to play the piano with famous pianist Ma Long. (2)______ Liu Li can sp
查看题目详情 →
Hello!My name is Tian Shanghai.I go to a middle school in Shanghai.I am in Class 5,Grade (年级)7.In my class,there are (有)19 girls and 20 boys. My classroom is big and nice.In it,there is (有)a computer,a bookcase,and a bla
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。