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#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·阅读理解Unit 3 Robot
The following are three ads. 【1】If you want to work in the south, you can apply for a job ad ________. A. a driver B. an air hostess C. a teacher D. all of the above 【2】You may call _______ if you wish to be a teacher. A
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九年级·英语·任务型阅读Unit 3 Robot
The computer is a useful machine．It can help people a lot in their daily life．For example， it can help people to save much time to do much work，and it can help people to work out complicated（复杂的）problems that people can'
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九年级·英语·填空题Unit 3 Robot
【1】For a moment he was completely __________ (knock) over by the news of his friend’s death. 【2】Let Simon go to the post office __________ (post) this letter. 【3】He doesn’t need __________ (go) home now. 【4】Before I got
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九年级·英语·填空题Unit 3 Robot
【1】There is an _________ of oil paintings in the museum.(exhibit) 【2】I have decided to write a __________(complain) letter for my broken bike. 【3】I have no __________ (wash) machines in my home. 【4】Chen Dan is not at all
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九年级·英语·句型转换Unit 3 Robot
【1】Not only Jack but also Mike has been to that island.(改为同义句) _____________ Jack and Mike ____________ been to that island. 【2】The digital camera was so expensive that she had to think about it.(改为同义句) The digital camer
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九年级·英语·任务型阅读Unit 3 Robot
Are you tired after studying hard? American country music will take you away for a while. ① The guitars and songs will transport ( 传送 ) you to the mountains and fields there. Country is simple music. It talks of everyday
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九年级·英语·书面表达Unit 2 Great people
书面表达。 提示：人的进步和发展缘于不断的变化，不论何时何地，总有某个人、某件事、某样东西……或大或小，或多或少地改变了你的观念、你的态度和你的生活，让你的人生得到升华。 请以“ ______________ changed me'为题，写一篇英语短文。如：Sports／Music／A book／A movie/ A teacher changed me. 要求：1．补全并抄写题目，80词左右； 2．语言流畅，内容连贯，书写规范，卷面整
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九年级·英语·填空题Unit 2 Great people
根据短文意思及首字母提示补全短文。 Alison Lapper, a very unusual painter, paints pictures for a living. She doesn't use her h 【 1 】 when she paints. She uses her mouth! Alison was born w 【 2 】 any arms. Her physical problem caused her to
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九年级·英语·完成句子Unit 2 Great people
翻译句子。 【1】李先生总是第一个到达公司的人。 Mr Li is always the first one_________________________________________. 【2】人们在购物时越来越广泛地通过微信来付款。 People pay through WeChat__________________________while shopping. 【3】随着洗衣机的发明，很少有人愿意用手洗衣服了。 ______
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九年级·英语·填空题Unit 2 Great people
用所给单词的适当形式填空。 【1】-- Where's Miss Yang? -- Look, she ________ (talk) with her students over there. 【2】He is a_________ (Europe), but he speaks Chinese very well. 【3】The adventures of Robinson Crusoe (鲁滨逊漂流记) written by Da
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九年级·英语·单词拼写Unit 2 Great people
根据所给中文提示，完成下列句子。 【1】Every ________ (公民) should try his or her best to protect the environment. 【2】Nowadays China has made great achievements in many fields. We really take ________ (骄傲) in our amazing China. 【3】Tu Youyou
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九年级·英语·任务型阅读Unit 2 Great people
任务型阅读。 Harland Sanders was born in the USA in 1890, but his childhood was not a happy one. His father died when he was only six, so his mother needed to find a job. She went to a shirt factory and Harland stayed at home
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九年级·英语·选择题Unit 2 Great people
---The light in the room is still on. Do you know_______? ---In order to prepare for the coming exam.
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九年级·英语·任务型阅读Unit 1 Asia
Parents are the most important people in our life. They influence our lives in so many ways. They teach us almost everything about living, give us strength of character and make us who we are. It is because of them that
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九年级·英语·填空题Unit 1 Asia
【题目】 认真阅读下面短文 , 根据各题所给首字母的提示 , 写出一个合适的英语单词完整、正确的形式 , 使文章通顺。 Most people love animals. We think that animals are good f 【 1 】 of humans. But,in fact,a large number of animals,especially wild ones,are in d 【 2 】 now mainly
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九年级·英语·完成句子Unit 1 Asia
【题目】 完成句子 【 1 】 你将会被建筑的精美设计吸引。 You _______________ the beautiful design of the buildings. 【 2 】 从这儿到最近的邮局有三公里。 _________________ here to the nearest post office. 【 3 】 据说张先生已动身去美国了。 _____________ that Mr Zhang has left f
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九年级·英语·句型转换Unit 1 Asia
【题目】 句型转换 【 1 】 People gather on the top of the mountain to watch the sunrise . ( 对画线部分提问 ) ________ ________ people gather on the top of the mountain to _________ ? 【 2 】 The Forbidden City was changed to a museum in 19
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九年级·英语·阅读理解Unit 3 Language in use
Bath, 97 miles west of London, is the largest city in Somerset, England. It became a World Heritage Site in 1987. The city got its name from the Roman Baths, which was a place for public bathing in Roman Britain. The wat
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九年级·英语·填空题Unit 2 It’s a long story.
Li Lin is going to college after the Spring Festival. His sister is seeing him off at the station. Li Lin says 【 1 】 he will miss his family, and Li Wei tells him 【 2 】 (be) careful. When Li Lin gets 【 3 】 the train, he
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九年级·英语·填空题Unit 2 It’s a long story.
选词填空 miss, seat, stupid, take care, past 【 1 】 When you are outside alone, you must _________. 【 2 】 He was away from home for some days and he _______ his family very much. 【 3 】 I made such a silly mistake that I felt
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