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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·完成句子Topic 2 Would you like to cook with us?
在玛丽和吉娜之间的那名女子是他的英语老师． The woman______Mary______Gina is his English teacher．
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七年级·英语·完成句子Topic 2 Would you like to cook with us?
她通常在六点四十五分穿好衣服． She usually______at a quarter to seven．
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七年级·英语·完成句子Topic 2 Would you like to cook with us?
我想参加游泳俱乐部． I want______ club．（join）
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七年级·英语·完成句子Topic 2 Would you like to cook with us?
他们的梦想能实现吗？ Can their dream______？
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七年级·英语·句型转换Topic 1 What can I do for you?
句型转换 【 1 】 Can I help you, please? ( 改为同义句 ) ______ for you? 【 2 】 What's the price of the meat? ( 改为同义句 ) ______ is the meat? 【 3 】 There are forty － three pupils in our class. ( 对画线部分提问 ) _______ are there in your clas
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七年级·英语·完成句子Topic 1 What can I do for you?
根据汉语意思完成下列句子，每空一词 【1】你想要多大号的？ __________do you want? 【2】不要试穿这双鞋。 Don't _________this pair of shoes. 【3】稍等一会儿！我有一个大苹果给你。 ____I've got a big apple for you. 【4】你还需要点别的什么吗？ ____ would you like? 【5】这些蔬菜看起来很新鲜。 The vegetables_
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七年级·英语·选择题Topic 1 What can I do for you?
The shoes are very nice and cheap. ________.
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七年级·英语·选择题Topic 1 What can I do for you?
—What size do you need? —________.
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七年级·英语·选择题Topic 1 What can I do for you?
—________ is your T－shirt? —It's 80 yuan.
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七年级·英语·选择题Topic 1 What can I do for you?
—Tomorrow is Mum's birthday. What are you going to buy ________ her? —I'm going to buy her a pair of shoes.
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七年级·英语·选择题Topic 1 What can I do for you?
The new coat is beautiful. I want to ________.
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七年级·英语·填空题Topic 1 What can I do for you?
用括号内所给单词的适当形式填空 【1】My brother would like _________(watch) a football match this afternoon. 【2】I've got some food ________(buy)． 【3】Everything ____(be) half price in the supermarket today. 【4】Look! There is a _______(sell
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七年级上·英语·填空题Topic D Your classroom
Listen to (I).
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七年级上·英语·填空题Topic D Your classroom
Don't (talk) in class.
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七年级上·英语·填空题Topic D Your classroom
The nine (box)are very big.
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七年级上·英语·填空题Topic D Your classroom
Linda has two (dictionary).
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七年级上·英语·填空题Topic D Your classroom
The tall (child) are from Canada.
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七年级上·英语·填空题Topic D Your classroom
I have three (brush).
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七年级上·英语·填空题Topic D Your classroom
These (shelf) are very tall.
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七年级上·英语·填空题Topic D Your classroom
The five (woman) are thirty years old.
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