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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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九年级·英语·其他初中英语知识点》词汇》单词》L》leaf(pl.leaves)###
In autumn, quite a few ____________ （树叶） turn yellow and fall off the trees.
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九年级·英语·其他初中英语知识点》词汇》单词》I》invent###初中英语知识点》动词》动词语态》动词的被动语态》一般过去时的被动语态###人教新目标Go For It!》九年级全册》Unit 6 When was it invented?》Section A###
Computers were ____________ （发明） not long ago, but they are very useful for us.
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九年级·英语·其他初中英语知识点》词汇》单词》T》thousand###
So far, ____________ （千） of people have died of COVID---19.
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九年级·英语·其他初中英语知识点》词汇》单词》B》borrow###外研版》九年级上册》Module 9 Great inventions》 Unit 1 Will computers be used more than books in the future?###
Could I ____________ （借） your dictionary?
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九年级·英语·补全对话-
根据对话内容，从对话后的选项中选出能填入空白处的最佳选项，并在答题卡上将该项涂黑。 A: Good morning, Helen! B: Good morning, Frank! We are leaving junior high school after the exams. I am very sad. A: Me, too. B: 【 1 】 A: Mr. Brown. He was always patient with us
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九年级·英语·阅读理解牛津译林版》九年级下册》Module 2 The future》Unit 4 Life on Mars###仁爱版》九年级上册》Unit 4 Amazing Science》3. China is the third nation that sent a person into space.###外研版》九年级下册》Module 8 My future life》Unit 2 I know that you will be better at m
What’s going to happen in the future? Will robots control our planet? Will computers become smarter than us? Not likely. But here are some things that scientists say are most likely to happen in 10-30 years from now, acc
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九年级·英语·阅读理解牛津译林版》九年级上册》Module 1 Getting along with others》Unit 3 Teenage problems###
Computers are widely used in the world. As students, we can not only use them to relax, but also study online. Do you have any online classes? It is possible to take classes at home. All you need is a computer and an ear
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九年级·英语·阅读理解仁爱版》九年级上册》Unit 2 Saving the Earth》3. What can we do at home to protect the environment?###外研版》九年级上册》Module 12 Save our world》 Unit 2 Repeat these three words daily：reduce, reuse and recycle.###教科版（五四学制）》八年级上册》Unit 11 Reduce,
When Sally was a child, she went to the city park with her mom on a sunny morning. She felt very unhappy. Her mom saw that and asked why. Sally told her mother that she felt so sorry to see so much rubbish on the ground.
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九年级·英语·阅读理解牛津上海版（试用本）》六年级第二学期》Module 1 City life》Unit 1 Great cities in Asia###牛津深圳版（广州沈阳通用）》七年级上册》Module 3 Travels 》Unit 6 Travelling around Asia ###牛津译林版》九年级下册》Module 1 Culturs around the world》Unit 1 Asia###外研版》九年级上册》Module 1 Wonders
Summer vacation is coming. Do you want to have a wonderful holiday? Have a look at our exciting activities and decide what kind of trips you would like. Active Holidays It’s for everyone—people who love taking risks or w
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九年级·英语·填空题-
“Ding... ding...,” the bell rang. The English teacher came into the classroom with test papers in his hand. All the students shouted. The teacher _______ with a smile on his face, “I know there are too many tests for you
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九年级·英语·选择题-
—The TV says it will rain tomorrow. We have to put off the hiking to Guanyin Lake. —________.
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九年级·英语·选择题冀教版》九年级全册》Unit 2 Great People###牛津译林版》九年级下册》Module 1 Culturs around the world》Unit 2 Great people###
— I wonder if Sally________ us prepare for the party. —I’m sure she will if she________time.
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九年级·英语·选择题初中英语知识点》句子种类》简单句》疑问句》反意疑问句###
Tom hardly eats breakfast, ________?
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九年级·英语·选择题-
—________ hot weather it is! Why not have a cold drink? —Sounds good! Let’s go.
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九年级·英语·选择题仁爱版》九年级上册》Unit 1 The Changing World》3. The world has changed for the better.###
— The new shirt looks good on you. When did you buy it? —On July 7 th . I________ it for a week.
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九年级·英语·选择题初中英语知识点》句子种类》简单句》疑问句》特殊疑问句###初中英语知识点》词汇》短语》H》how far###初中英语知识点》词汇》短语》H》how long###初中英语知识点》词汇》短语》H》how often###初中英语知识点》词汇》短语》H》how soon###
—________ do you visit your grandmother in the countryside? —Once a month.
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九年级·英语·选择题初中英语知识点》词汇》单词》M》mustn't###初中英语知识点》词汇》单词》N》need###初中英语知识点》词汇》单词》S》shouldn't###
Mr. Smith________ be in the office. Because he has gone to Chengdu on business.
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九年级·英语·选择题初中英语知识点》词汇》单词》C》creative###
The young man was________of all the performers.
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九年级·英语·选择题初中英语知识点》词汇》短语》I》It's adj. to do sth.###初中英语知识点》动词》非谓语动词》动词不定式》作主语###
It’s important for us________a healthy lifestyle.
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九年级·英语·选择题初中英语知识点》词汇》单词》S》second###初中英语知识点》词汇》单词》T》twelfth###初中英语知识点》词汇》单词》T》twelve###初中英语知识点》词汇》单词》T》two###外研版》九年级上册》Module 2 Public holidays》 Unit 1 My family always go somewhere interesting as soon as the holiday begins.###
They worked for________ days, and finished the________ task successfully.
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