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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·填空题Section A
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。 I have a dream.That is , I'm going to be an 【 1 】 (art)when I grow up.You know I began 【 2 】 (draw)pictures at a very young age.I grow 【 3 】 , I'm going to move som
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八年级·英语·填空题Section A
用方框中所给单词的适当形式填空 science；finish；act；be；help 【1】Mary wanted to be a singer when she _____ college. 【2】—How often does your sister take _____ lessons? —Three times a week. 【3】What do you want ______ when you grow up? 【4】Mik
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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。 People began to make robots about a few 【 1 】 (hundred)years ago.In the past ， some of the early ones 【 2 】 (look)like animals or humans.However ， they couldn't 【 3
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八年级·英语·填空题Section B
用方框中所给短语的适当形式填空 fall down；agree with；look like； over and over again；hundreds of 【1】The little girl ______ from the bike and hurt herself. 【2】People may get bored if they do simple work _____. 【3】I guess that he may be Au
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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】His hope is to be a _____ (science)． 【2】There are four ______(factory)around our school. 【3】Nothing in the world is ______(possible)if you set your mind to do it. 【4】It is difficult for me ______(do)th
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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】Jim will _____(很可能)go to France on vacation this year. 【2】We often get together______(在……期间)the Spring Festival. 【3】My parents will take a _________(假期)in Lanzhou. 【4】The moon is not a p_________，but
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八年级·英语·阅读理解Section B
A kind of little cars may some day take the place of today’s cars. If everyone drives such cars in the future, there will be less pollution in the air. There will also be more space for parking cars in cities and the str
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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 ) 。 What will our life be like in the future ？ We won't use 【 1 】 ( 纸 )to write on.We can study on computers.And there will be fewer cars and less 【 2 】 ( 污染 ) ． Everyone will play a
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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。 The future is coming ！ All over the world there are many new 【 1 】 (idea)for new places to live and work in.Some of 【 2 】 (they)will be in the sea ！ They will be ve
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八年级·英语·填空题Section B
用方框中所给短语的适当形式填空 in the near future ； fall down ； hundreds of ； look like ； look for 【 1 】 His pencilbox is lost.He's _____ i t here and there now. 【 2 】 I believe that there will be a robot in your home _____ . 【 3 】 Th
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八年级·英语·填空题Section A
Life in space is different _____ life on earth. How do astronauts live, work and play there? It is very interesting. Space food _____ more like the food we eat on earth. In the past astronauts could _____ only small piec
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八年级·英语·填空题Section A
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。 My uncle Sid is a famous scientist. He likes to make lots of _____(prediction)about the future. He says that in 100 years some things will be better _____ now. Fo
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八年级·英语·填空题Section A
用方框中所给单词或短语的适当形式填空 build; in great danger; play a part; have to; peaceful 【1】All of us should _________ in planting trees. 【2】Elephants are _________.We should do something for them. 【3】Most people in the world love ____
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八年级·英语·填空题Section A
用few, fewer, little, less或more填空, 每词限用一次 【1】Mr. Jackson is very serious, so _________people want to make friends with him. 【2】Tom isn't happy because he has _________ time for reading. 【3】Jack has _________pens than his
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八年级·英语·单词拼写Section A
根据句意及汉语提示完成单词 【1】—What do you want to be in the _________ (未来), Cathy? —I want to be a teacher. 【2】The teacher said that the moon goes around the _________ (地球). 【3】We plan to_________ (种植)more trees this year to make th
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八年级·英语·阅读理解Section A
Penguin Robot Toy Penbo Blue •Price: $59 •Penbo Blue is a real robot for girls. •Penbo Blue loves to talk and sing. •You can play 5 kinds of games with Penbo Blue. •There are four different colors, purple, green, pink an
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八年级·英语·填空题Section A
There are many kinds of pollution around us, _____ air pollution, soil pollution, noise pollution and light pollution. They are bad _____ our health in many ways. Burning gas, oil and coal creates _____ pollution. It can
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八年级·英语·填空题Section A
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)。 What do you think life will be like in the future? I don't think we will have to do the housework because _____(机器人)can help us a lot._____(那么)we will spend more time _____(阅读)books
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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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