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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·补全对话Unit 1 Why do you like pandas?
A： Let's see the koalas first. B： (1) A： Because they' re cute, I think. B： (2) A： I like giraffes, too. B： Why？ A： (3) And what animals do you like？ B： (4) They are kind of shy. A： What other animals do you like？ B： I a
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七年级·英语·单词拼写/单词释义Unit 1 Why do you like pandas?
--为什么Lisa害怕那个动物？ --因为它真的很吓人。 --Why is Lisa______of that animal？ -Because it is really______.
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七年级·英语·单词拼写/单词释义Unit 1 Why do you like pandas?
他喜欢什么动物？ ______does he like？
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七年级·英语·单词拼写/单词释义Unit 1 Why do you like pandas?
别害羞!你能做好! Don't______! You can do it well!
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七年级·英语·单词拼写/单词释义Unit 1 Why do you like pandas?
这些树袋熊看，上去有几分可爱。 The koalas______kind of______.
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七年级·英语·单词拼写/单词释义Unit 1 Why do you like pandas?
John对那只宠物很友好。 John is______that pet.
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七年级·英语·句型转换Unit 4 What did you do last weekend？
The mice ran away．（改为一般疑问句） ______ the mice______ away？
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七年级·英语·句型转换Unit 4 What did you do last weekend？
His weekend was very terrible． （对画线部分提问） ______ his weekend？
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七年级·英语·句型转换Unit 4 What did you do last weekend？
We went boating last Sunday．（对画线部分提问） ______ you______ last Sunday？
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七年级·英语·选择题Unit 4 What did you do last weekend？
How many languages can Sally ____________？（ ）
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七年级·英语·选择题Unit 4 What did you do last weekend？
Tony was very angry with his sister, so he ______ her.
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七年级·英语·选择题Unit 4 What did you do last weekend？
The mouse __________ when I came in．（ ）
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七年级·英语·选择题Unit 4 What did you do last weekend？
Li Lei ___________ the book ________ the library last week．（ ）
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七年级·英语·单词拼写-单句Unit 4 What did you do last weekend？
用适当的疑问词填空． -______did you do your homework yesterday？ -At school．
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七年级·英语·填空题Unit 3 How was your school trip?
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 ) 。 Today we went on a school trip. We 【 1 】 ( 参观 )the computer museum and it was 【 2 】 ( 有趣的 ) ． We got there 【 3 】 ( 乘 ) train. We 【 4 】 ( 看到 )some farms and villages along the way
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七年级·英语·填空题Unit 3 How was your school trip?
She watches TV every evening. But she ____(not watch)TV last night.
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七年级·英语·任务型阅读Unit 3 How was your school trip?
阅读下面几个人物的信息，从图中选出与之相对应或他们最感兴趣的信息，其中有一项为多余选项。 1.Henry visited his grandparents in the countryside last week.There were many cows in his grandparents' farm.He learned how to milk a cow. 2.Jane lives near a river.She likes
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七年级·英语·阅读理解Unit 3 How was your school trip?
阅读理解 I had a summer camp with my classmates last year.Early in the morning，we gathered at the bus station.After saying goodbye to our parents，we got on the buses.It took us more than two hours to arrive at the campground
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七年级·英语·填空题Unit 3 How was your school trip?
The parents of two boys(14 and 16 years old)went on a trip for the weekend with friends.They left early _____ Friday morning，and left the boys at home.That evening the boys _____ their dad's car to see a movie.They _____
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七年级·英语·句型转换Unit 3 How was your school trip?
按要求完成句子 【 1 】 I took some photos yesterday.( 改为一般疑问句，并作肯定回答 ) — ____ you _____ ____ photos yesterday? — _____ ， I _____ . 【 2 】 They did their homework last Sunday.( 改为否定句 ) They ______ ____ their homework last Sunday. 【
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