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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·选择题Unit 3 Language in use
We are all surprised at her English．______，she is only 8 years old．
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九年级·英语·选择题Unit 2 If you tell him the truth now, you will show that you are honest.
I don't know if he ______tomorrow．I'll call you if he ______．
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九年级·英语·选择题Unit 2 If you tell him the truth now, you will show that you are honest.
If you ______ there tomorrow，I will go with you．
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九年级·英语·填空题Unit 2 If you tell him the truth now, you will show that you are honest.
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 ) 。 I didn't like my dad in the past.The 【 1 】 ( 理由 )was that he was too strict with me.There are many rules in my family.For example ， I can't use my dad's computer.Last Sunday ， my
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九年级·英语·填空题Unit 2 If you tell him the truth now, you will show that you are honest.
用方框中所给单词的适当形式填空。每词仅用一次，每空一词。 reason；little；dishonest；repair；true 【1】Please tell me the ______, or I can't decide how to help you next step. 【2】Which one do you like ______ among these stamps? 【3】I ______ my bike and gave
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九年级·英语·填空题Unit 2 If you tell him the truth now, you will show that you are honest.
用方框中所给短语的适当形式填空 try out；be angry with；at least； by mistake；come round 【1】David promised to _________ to have supper with us today. 【2】Last night I took Ben's English book home _________. 【3】Who else wants to ___________
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九年级·英语·单词拼写Unit 2 If you tell him the truth now, you will show that you are honest.
根据句意及汉语提示完成单词 【1】The ______(理由)Tony said just now is true. 【2】Can you ________(提供)a cup of tea to me? 【3】Some _______(文件)in my computer were missing.I couldn't find them anywhere. 【4】Who has ________(修理)the broken leg of
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九年级·英语·选择题Unit 1 If I start after dinner, I’ll finish it before I go to bed.
If you make some bad friends，maybe you ______．
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九年级·英语·填空题Unit 1 If I start after dinner, I’ll finish it before I go to bed.
语法填空 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。 Our school has made 【 1 】 survey—Don't keep your worries.Here are the results. About fifty percent of the students in our school are 【 2 】 (worry)about their h
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九年级·英语·阅读理解Unit 1 If I start after dinner, I’ll finish it before I go to bed.
阅读理解 One of the most popular items(项目)in the class newspaper is the advice column(专栏)．Here are some of them and their answers： Question 1: I'm always late for school.I try not to be late，but I can't help it.Please advise
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九年级·英语·填空题Unit 1 If I start after dinner, I’ll finish it before I go to bed.
完形填空 One's attitude is always important.If you are lazy and weak，you will never taste any success.But if you are _____，success and happiness will be more likely to come to you. I love eating kiwifruits(猕猴桃)．But you can't
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九年级·英语·填空题Unit 1 If I start after dinner, I’ll finish it before I go to bed.
用括号中所给单词的适当形式填空 【1】If the weather permits，we __________(plant)trees tomorrow. 【2】When we are tired，we should stop _________(have)a rest. 【3】My mother always wants me _________(do)my schoolwork before supper. 【4】My big br
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九年级·英语·单词拼写Unit 1 If I start after dinner, I’ll finish it before I go to bed.
根据句意及汉语提示完成单词 【1】I want to be a _______(志愿者)to help homeless people. 【2】Because the students will have an ________(考试)tomorrow，they are studying hard. 【3】—Can you play any musical _________ (乐器)? —Yes，I can. 【4】It's ____
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九年级·英语·填空题Unit 3 Language in use
Ⅱ．用所给单词的适当形式填空 【1】Today lots of manmade satellites ______（send） up into space． 【2】Tan Qianqiu's name ______（remember） by all Chinese people． 【3】Vegetables，eggs and fruit ______（sell） in this shop． 【4】The flowers ______（
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九年级·英语·选择题Unit 3 Language in use
Lu Xun is known _____not only a great writer but also a great thinker.
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九年级·英语·选择题Unit 3 Language in use
Usually students ______ two minutes to write down their names before an exam．
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九年级·英语·选择题Unit 3 Language in use
The foreigners enjoyed themselves in Jiuzhaigou and they were all ______ with the trip．
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九年级·英语·选择题Unit 2 It is still read and loved.
He is the only person ______ in his family after the earthquake．
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九年级·英语·选择题Unit 2 It is still read and loved.
All the athletes ______ the nice service during the London Olympics．
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九年级·英语·句子翻译Unit 2 It is still read and loved.
谁是中国最著名的剪纸艺术家？ ______
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