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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·单词拼写/单词释义Unit 3 Language in use.
My dictionary and my radio are on the desk.（英译汉） ______
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七年级·英语·单词拼写/单词释义Unit 3 Language in use.
This is my mother. （英译汉） ______
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七年级·英语·单词拼写/单词释义Unit 3 Language in use.
你好，我是吉娜。很高兴认识你。 Hello ， ______ Gina. ______ to ______you.
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七年级·英语·单词拼写/单词释义Unit 3 Language in use.
—他们的钥匙在哪里？ —它们在桌子上。 —Where are ______？ — ______ on the table.
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九年级·英语·单词拼写Unit 9 Communication
The star's trip to Long Beach Island is ________ secret.
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九年级·英语·单词拼写Unit 9 Communication
When I'm about to pay for the bill, I can't find my w ________ .
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九年级·英语·填空题Unit 9 Communication
Grandma is old and has ________ (difficult) in remembering everything well.
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九年级·英语·填空题Unit 9 Communication
She took manners lessons in order to behave ________ (proper) in social activities.
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九年级·英语·任务型阅读Unit 9 Communication
Friends are people who share similar values with us. And keeping strong friendships is an important part in most people's life. Friendships can help us fight against loneliness, get rid of anxiety( 焦虑 ), and have better
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九年级·英语·填空题Unit 9 Communication
I think the most basic and powerful way to connect with another person is to listen. Perhaps, the most important thing we ever give each other is our ______ , and especially if it's given from our hearts. When people are
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八年级·英语·填空题Section B
阅读下面短文, 按照句子结构的语法性和上下文连贯的要求, 在空白处填入一个适当的词或使用括号中词语的正确形式填空。 Dear Mary, How's it _____(go)?Things are fine here. I am very happy every day. Last week on the Good Cook on CCTV2, I learnt _____(make)the kebabs(烤肉串). And I wa
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八年级·英语·填空题Section B
用方框中所给单词或短语的适当形式填空 cover; add…to…; dig; celebrate; put…into… 【1】She always likes to _______ some sugar_______coffee while drinking it. 【2】The farmer is _______ holes to plant more trees. 【3】_______the oranges _______ the
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八年级·英语·填空题Section B
用括号中所给单词的适当形式填空 【1】Let me show you how_______ (make)dumplings. 【2】My mother always _______ (serve)me delicious food when I come home. 【3】How many_______ (hole)do we have to get ready for planting the young trees? 【4】Ther
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八年级·英语·单词拼写Section B
根据句意及首字母或汉语提示完成单词 【1】In a_______, the weather becomes colder. 【2】We like t_______ Chinese food, such as dumplings, noodles and Chinese rice cakes. 【3】You should cook the turkey at a high t_______. 【4】Can you tell me how
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八年级·英语·阅读理解Section B
Fish and apple soup? Yes, and you won't believe how delicious it is. This first came out of a restaurant in Singapore, but it is now very popular as the soup du jour( 例汤 )in Chinese restaurants. Ingredients(serves 4) ： 1
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八年级·英语·阅读理解Section B
A Cooking Lesson Do you want to cook delicious bread by yourself? Come and join us! Place: Children's Palace Date: October 24th Time: 6：00 p. m. Things you need: a notebook, a pen or a pencil Activities: listen to a spee
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八年级·英语·填空题Section B
根据短文内容和括号内所给汉语意思, 写出空白处各单词的正确形式(每空一词)。 People in Uganda usually invite guests to enjoy bananas. _____(当……时)the guests come, they usually give each of them a cup of delicious banana juice. After that they have the banana
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八年级·英语·填空题Section B
阅读下面短文, 按照句子结构的语法性和上下文连贯的要求, 在空白处填入一个适当的词或使用括号中词语的正确形式填空。 Last Thanksgiving Day, I visited an American friend of _____(my). At his home, he made some banana milk shakes _____ me, and he taught me _____ to make them. I __
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七年级·英语·单词拼写/单词释义Unit 2 I’m Wang Lingling and I’m thirteen years old.
他的名字______
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七年级·英语·单词拼写/单词释义Unit 2 I’m Wang Lingling and I’m thirteen years old.
____________ 我的名字
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