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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·填空题Unit 3 Language in use.
用括号中所给单词的适当形式填空 【1】—Would you like _________ (go) to the cinema with me? —Sure, I'd love to. 【2】It is great _________ (meet) you here. 【3】I often watch my brother _________ (play) basketball. 【4】This is a present from __
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七年级·英语·填空题Unit 3 Language in use.
用方框中所给单词或短语的适当形式填空 go shopping; choose; exercise; hear from; would like to 【1】Elsa _________ a red dress for her daughter. 【2】Mark often _________ his brother in England. 【3】I think Johnny _________ buy the blue T-shirt.
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七年级·英语·单词拼写Unit 3 Language in use.
根据句意及汉语提示完成单词 【1】Lucy never _________(穿)dresses. 【2】I'm _________ (恐怕)I can't come early. 【3】How often does Daming_________ (收到)from his parents? 【4】I ask my_________ (亲爱的)friend Nancy to visit me this weekend. 【5】—How a
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七年级·英语·任务型阅读Unit 2 She often goes to concerts.
People celebrate（庆祝）birthdays in almost every country on the earth. And they celebrate them in many different （不同的）ways. In Brazil（巴西）, the special（特别的）birthday food aren’t birthday cakes, but special candies. In China,
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七年级·英语·填空题Unit 2 She often goes to concerts.
Today is Tom's birthday. He is thirteen years old. He _____ early in the morning. He _____ a black shirt and a pair of blue jeans. He looks _____ .Because his mother buys him a big _____ and lots of other delicious food.
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七年级·英语·填空题Unit 2 She often goes to concerts.
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。 Jane is seven years old. Today is 【 1 】 (she)seventh birthday. She 【 2 】 (wear)a nice new dress. She has a party at home. She invites many friends 【 3 】 they all co
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七年级·英语·填空题Unit 2 She often goes to concerts.
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 ) 。 Today is my teacher Miss Li's birthday. She is 【 1 】 ( 三十 )years old. She is a very kind 【 2 】 ( 数学 )teacher in my school and we love her very much. We are going to send lots of
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七年级·英语·句型转换Unit 2 She often goes to concerts.
按要求完成句子 【1】My mother always wears a Tshirt. (改为一般疑问句) _____your mother always________ a Tshirt? 【2】Her friend likes going shopping on Sundays.(改为否定句) Her friend ______ _______ _______shopping on Sundays. 【3】I often get
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七年级·英语·填空题Unit 2 She often goes to concerts.
用方框中所给短语的适当形式填空 go to concerts；get some exercise；a lot of；go shopping；go to the cinema；at weekends 【1】My friends give me ___________ presents on my birthday. 【2】William always does his homework___________. 【3】Mike usuall
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七年级·英语·填空题Unit 2 She often goes to concerts.
用括号中所给单词的适当形式填空 【1】Does your mother_______(work)in a school? 【2】She______often _______(not go)to school late. 【3】I want to _________(choose)some clothes for my family. 【4】______she _______(like)playing football? 【5】Many
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七年级·英语·单词拼写Unit 2 She often goes to concerts.
根据句意及汉语提示完成单词 【1】Tony plays the piano at the_________(音乐会). 【2】They_______(花费)five days finishing the work. 【3】This house is too __________(昂贵的)for me. 【4】There are many new _________(电影)I want to see. 【5】She likes readi
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七年级·英语·单词拼写/单词释义Unit 1 I always like birthday parties.
我妹妹有一本新的英语词典。 My sister ______ a new English ______.
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七年级·英语·单词拼写/单词释义Unit 1 I always like birthday parties.
珠穆朗玛峰常年积雪。 Qomolangma ____________with snow all year round.
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七年级·英语·填空题Unit 1 I always like birthday parties.
A ______ of China is in the classroom.
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七年级·英语·填空题Unit 1 I always like birthday parties.
He ______ （not like） playing soccer.
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七年级·英语·单词拼写/单词释义Unit 1 I always like birthday parties.
Look at the red notebook. Please______（give） it to Miss Zhao.
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七年级·英语·单词拼写/单词释义Unit 1 I always like birthday parties.
Sandy is a shy girl.She ______ （很少） shows her feelings.
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七年级·英语·单词拼写/单词释义Unit 1 I always like birthday parties.
Tom has a______（幸福的） family.
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七年级·英语·填空题Unit 1 I always like birthday parties.
Jack is______[ˈnevə（r）] late for school.
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七年级·英语·阅读理解Unit 3 Language in use.
阅读理解 Today is Sunday.It's seven o'clock in the evening now.Jack's family are busy. Jack is in his room.There are some clothes on his bed.He is looking for his blue Tshirt.At eight，he will(将)have dinner with his friends
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