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#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|}=
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七年级·英语·填空题科普知识类阅读
How can you get to know your neighbors（邻居）?Here are some ways for you. Going outside is an easy way.Sit in front of the door every day,and finally someone will say hello to you.If you feel bored just sitting there,you ca
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七年级·英语·选择题科普知识类阅读
Here is much about Chinese medicine on the Internet.（ ）
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七年级·英语·填空题科普知识类阅读
Welcome to Long River School! In the coming months,you may be busy with your studies.Joining a school club is a good way to relax.It\’s important to keep a balance between work and play! ※ Which one should I join? If you
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七年级·英语·填空题科普知识类阅读
Do you know how blueberries（蓝莓） grow?They grow on bushes（灌木）.Each blueberry is small and round.Many blueberries grow on one bush. At first,the blueberries are green.The green berries are not ready to eat.They need a lot
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七年级·英语·填空题判断推理
A:Hi,Mike. B:Hi,Tony. A:My friend Paul lost his phone in our house.I must find it.（1）______ B:Yes,I can.（2）______ A:It is blue. B:I see.Oh,it isn\’t on the table.（3）______ A:No,it isn\’t.I can see your jacket on the sofa
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七年级·英语·选择题配对阅读
Jack loves ______ music,and it can make him happy.（ ）
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七年级·英语·填空题配对阅读
Reading ten ______（一千） books is good for us because books can open up our eyes.
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七年级·英语·填空题配对阅读
Missing "LOST CAT" Name:Lele Age:4 years old The day I lost it:2023/11/6 About it:Lele is a white and black cat.Its eyes（眼睛）are yellow.It wears a blue collar（颈圈）.It is very friendly. I really want to find my cat.⊗⊗ If（如果
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七年级·英语·选择题广告布告类阅读
Anyone who is in joining our club can e-mail us at mary@163.com.（ ）
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七年级·英语·填空题广告布告类阅读
FARM-TO-FUN-TRIP AT HAPPY FARM When:1:00 pm--6:30 pm,Saturday,June 9 Cost（花费）:Adults（成人）:520 Kids（12 under）:55 Where:Happy Farm E8984 Weinke Road Delicious Farm Lunch Vegetables and fruit▲ Beef and chicken ▲Cakes ▲ Drink
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七年级·英语·选择题一般疑问句
-Is that boy your brother? -No,he ______.（ ）
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七年级·英语·填空题一般疑问句
His mother went shopping yesterday evening.（改为一般疑问句） ______ his mother ______shopping yesterday evening?
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七年级·英语·填空题时态辨析
Unluckily,a motorcycle came towards the boy and ______ him down.[nɒkt]
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七年级·英语·选择题时态辨析
---Have you written your book report,Bill? ---No,not yet．I it in two days．（ ）
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七年级·英语·填空题阅读表达
When you\’ re feeling unhappy or forget how great you are,here are some ways to make you feel good about yourself. *Look in the mirror（镜子） and say to yourself,"I am a special person and there\’s no one in the world like
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七年级·英语·选择题时态辨析
I______ Chinese dishes for my foreign friends tomorrow evening．（ ）
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七年级·英语·填空题时态辨析
You have twenty minutes to ______ /kəm\’pli:t/ your homework.
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七年级·英语·选择题时态辨析
Ben had a broken arm_______a motorcyclist knocked him down in the street.（ ）
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七年级·英语·选择题祈使句
My Maths teacher asked me another way to solve the problem.（ ）
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七年级·英语·填空题祈使句
fun,are,half,trip,woke （1）______up,or（否则） you will be late for school. （2）Suddenly,he ______and fell. （3）The fruit won\’t ______ ready till August. （4）Who is the ______boy in your class? （5）Peter cut the apple in two ___
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