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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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八年级·英语·阅读理解Unit 2 Water
Choose the best answer ( 根据短文内容，选择最恰当的答案）： When the weather is hot, you go to a lake or an ocean. When you are near a lake or an Ocean, you feel cool. Why? The sun makes the earth hot, but it cannot make the water very h
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八年级·英语·句型转换Unit 2 Water
Rewrite the following sentences as required ( 根据所给要求，改写下列句子。每空格限填一词）： 【 1 】 Few students went to the cinema yesterday. ( 改为反意疑问句） Few students went to the cinema yesterday, ______ ________ ? 【 2 】 All of the boys in my c
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八年级·英语·填空题Unit 2 Water
Complete the sentences with the given words in their proper forms (用括号中所给单词的适当形式完成下列句子）： 【1】Grace gave the room a thorough_____this morning, (clean) 【2】Bob is good at_____. He often makes more money than others, (busy) 【
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八年级·英语·填空题Unit 2 Water
One day at Bluesea Middle School in Hong Kong, about 450 students and teachers went without water at lunchtime. They were in a meeting to learn about saving water. The school also collected about HK $ 10,000. The money w
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八年级·英语·填空题Unit 2 Water
A. undrinkable B. survive C. resources D. breathe E. oxygen People can imagine life without water. Without it, the earth we live on would be a dead one. There would be no trees, no crops, no animals and no people. So wat
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八年级·英语·选择题Unit 2 Water
Since there are not_______apples for all of us, I’ll go to the supermarket to buy______
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八年级·英语·选择题Unit 1 Trees
--____________? --I’d like to see that red dress.
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八年级·英语·选择题Unit 1 Trees
The boss made my mother __________ twelve hours a day in old days.
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八年级·英语·选择题Unit 1 Trees
Look! Our daughter __________ her own room.
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八年级·英语·选择题Unit 1 Trees
Foreigners in Beijing learn Chinese language __________ its culture.
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八年级·英语·选择题Unit 1 Trees
Peter looked __________. He was looking __________ at his friends.
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八年级·英语·选择题Unit 1 Trees
The government warned the factories _____the water again.
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八年级·英语·选择题Unit 1 Trees
The train __________ for Beijing soon. The passengers who are still on the platform should get on the train at once.
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八年级·英语·选择题Unit 1 Trees
Trees make our streets__________ and__________.
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八年级·英语·完成句子Unit 7 What's the highest mountain in the world?
昨晚曼迪花了半小时完成她的家庭作业． Mandy______ half an hour______her homework last night．
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八年级·英语·完成句子Unit 7 What's the highest mountain in the world?
他们正在找一个能住的地方． They are looking for a place__________________．
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八年级·英语·阅读理解Unit 6 An old man tried to move the mountains.
Mr．Gao lives in a town．When he was twenty-five，his son was born．He calls him Gao Ling．The little boy is clever．He and his wife love him very much．It's September 1st today．A new school year begins．Gao Ling is happy and we
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八年级·英语·填空题Unit 6 An old man tried to move the mountains.
Mrs． Green has a busy job． She is very (1) after work every day and wants to have a good sleep． But Mr． Green is a soccer fan （足球迷）．He watches soccer on TV very (2) every night， and sometimes he (3) at two o'clock． Mrs．
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八年级·英语·补全对话Unit 6 An old man tried to move the mountains.
A： Hi， Tom． (1) ？ B： I'm going to the gym． A： (2) ？ B： I'm going to take part in a basketball match there． Could you please go there to cheer me on （为……加油）？ A： (3) ． B： That's great． Do you enjoy playing basketball？ A： (
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八年级·英语·填空题Unit 6 An old man tried to move the mountains.
At the______（begin） of this term， the teacher asked us to make a plan to improve our grades．
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