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
-We get on well with our friends in our daily life. --You are right.One finger cannot lift a small stone.( )
查看题目详情 →
The children were hungry and the salad up quickly.( )
查看题目详情 →
In recent years different ways ________ to recycle the plastic wastes.
查看题目详情 →
we ,call ,long ,careful ,place of interest,live ,excite ,become ,understand ,look at Today is Friday.As soon as school was over,I hurried home.In the morning,my father told me he was going to bring me a present.I was (1)
查看题目详情 →
Mike used to like . ( 就画线部分提问) ______ ______Mike ____________like?
查看题目详情 →
Many people enjoy sports.Sports are good for people's(1) (1)______ People like to watch sports games. Some people(2) tickets and some people (2)______ turn (3) their TV sets to watch them.People play different games (3)_
查看题目详情 →
---We often find it hard to drive a car in the rush hour. ---That's ________many people would rather ride bikes in our city.( )
查看题目详情 →
The reason ______ he gave for being late was _______ he forgot to set the alarm clock.
查看题目详情 →
Chinese astronauts as heroes.We all look up to them.( )
查看题目详情 →
上周的数学考试中杰克成绩糟糕,他为自己感到羞愧. Last week Jack got a bad result in the maths exam,he ______ himself.
查看题目详情 →
The book was written in easy English even primary school students could read it.( )
查看题目详情 →
他开会缺席是因为他的航班推迟了。 His absence from the meeting is .
查看题目详情 →
-When shall we go to watch the basketball match? -Tomorrow,only if the work ________.( )
查看题目详情 →
Stamps for sending letters by people..( )
查看题目详情 →
Although these kinds of trainers are new models,they______ well.( )
查看题目详情 →
---OMG! How could this happen? ---What? ---The strawberries ________ for at least a week. They still look so fresh!
查看题目详情 →
Complete thefollowing sentences as required (根据所给要求,完成下列句子。每空格限填一词): 【 1 】 Both of the two brothers have saved enough money to buy a new flat. (改为否定句) _______ of the two brothers _______ saved enough money to buy a new f
查看题目详情 →
Our company culture encourages employees to work to high ______ (标准).
查看题目详情 →
We picked three b ______(篮子)of oranges on the farm last weekend.
查看题目详情 →
___ (知识) comes from questioning.
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。