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
I am writing to you _________ I\’m afraid to talk about it face to face.( )
查看题目详情 →
I could perform ballet well ______ten.(在……岁时)
查看题目详情 →
—When did you go to bed last night? —Not until my homework .( )
查看题目详情 →
-Are you hungry? -Yes.Let\’s have two_______.( )
查看题目详情 →
— ________ you like hamburgers? — No, I ________.
查看题目详情 →
Do you want to join me for dinner?( )
查看题目详情 →
Many foreigners liked to live in this city,because the local people made the city beautiful. (句子成分) ______
查看题目详情 →
--Which is the sentence pattern of "It is raining heavily"? --________.( )
查看题目详情 →
根据名意和提示,写出单词的适当形式 The c_____________ thought the potatoes were not thin enough.
查看题目详情 →
This is Tom ______ (speak).
查看题目详情 →
2022,04 April Lucy\’s to-do list (清单) Sun. Mon. Tues. Wed. Thurs. Fri. Sat. 1 2 3 4 5 Dad\’s birthday 6 7 8 Math test 9 10 11 12 13 14 15 Grandma\’s birthday 16 17 swimming with Mia 18 School trip 19 20 Chinese test 21 2
查看题目详情 →
—Look at the sign,sir!It____________"No Parking". —Sorry,I didn\’t see it.I will drive away right now.( )
查看题目详情 →
—When will Peter telephone us? —He will telephone us as soon as he home this afternoon.( )
查看题目详情 →
-Sam,come downstairs,please.I need your help. -Sorry,mum.I on the phone.( )
查看题目详情 →
A:Excuse me,sir.Could you please tell me the way to the Nature Museum? B:(1)______ A:Thank you all the same. (Then David goes and asks a policeman for help.) A:Excuse me,could you tell me how I can get to the Nature Muse
查看题目详情 →
A:Excuse me,could you tell me how I can get to the railway station? B:Sure.Go along this street until you get to the first traffic lights,then turn left. (1)______. A:It\’s very kind of you. (2)______? B:No,it is not ver
查看题目详情 →
I believe.Tony will come on time.(合并为宾语从句) I believe ______ ______ ______ ______ on time.
查看题目详情 →
Lily is certain part in that activity.( )
查看题目详情 →
Doctors______ people to wash hands for at least 20 seconds(秒钟) each time.( )
查看题目详情 →
A:Good morning,doctor! B:Good morning,young man!(1)______ A:I have a sore throat(喉咙痛).(2)______ B:How long have you been like this? A:(3)______ B:Have you taken your temperature? A:Yes.My temperature is OK. B:(4)______ S
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。