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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·句子翻译Unit 3 Family life
你能告诉我怎样才能学好数学？______
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九年级·英语·句子翻译Unit 3 Family life
你最好把你想买的东西列清单．______
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九年级·英语·句子翻译Unit 3 Family life
Benny太粗心以至于其在工作中犯了很多错误．（make mistakes） ______
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九年级·英语·句子翻译Unit 3 Family life
我父母不在家的时候，我常常写作业、看书或者看电视．（be away from home） ______
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九年级·英语·句子翻译Unit 3 Family life
Jimmy的妈妈有空的时候会去参加学校的活动．（come to school events） ______
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九年级·英语·句子翻译Unit 3 Family life
我们需要在下周六之前就这个问题做出决定．（make a decision on sth．）______
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九年级·英语·句子翻译Unit 3 Family life
我们应该学会照顾自己．（learn to do）______
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九年级·英语·填空题Unit 8 Detective stories
根据句意，写出括号内所给单词的适当形式。 【1】—I've never seen such an_________（tidy）room. —Sorry, Mum, I'll clean it up right now. 【2】If you are will to work harder ,people will become even ________(wealth)? 【3】The teacher doubled the ______
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九年级·英语·单词拼写Unit 8 Detective stories
根据句意和汉语注释，写出单词的正确形式。 【1】I felt more relaxed as soon as I had made the_________（最后的）decision. 【2】I ________(取消)the trip to Beijing because of the heavy snow last year. 【3】The White House __________(或许、大概) won’t make the p
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九年级·英语·选择题Unit 8 Detective stories
I think winter is a beautiful season, _______ when it snows..
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九年级·英语·选择题Unit 8 Detective stories
Some of my friends are interested in science, but none of them can tell ____________.
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九年级·英语·阅读理解Unit 7 Films
A By Zhao Wen; 16 June 2414; Monday Parents are calling for more government-run daycare( 日托 ) centres , after many had to queue up( 排队 )overnight last Saturday to secure places for their children. Officials at Pudong You
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九年级·英语·填空题Unit 7 Films
Have you ever seen any films starring Zhang Ziyi? Though some people don't like her acting, she is well known now not only in China, but also in the West. Zhang Ziyi's first ______ in an American movie was in Rush Hour 2
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九年级·英语·选择题Unit 7 Films
Before filming, the director wanted everyone to get ready and he shouted, ‘________’.
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九年级·英语·选择题Unit 7 Films
Most boys____ guns to dolls while most girls ___ have dolls than guns.
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九年级·英语·选择题Unit 7 Films
By the time he was 4, he ______ a lot of German words.
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九年级·英语·选择题Unit 7 Films
I’ll have my TV __________, and I’ll have Mr Wang _________ it.
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九年级·英语·填空题Unit 6 TV programmes
In learning English, one should first pay attention to listening and speaking. It is the groundwork of reading and writing. You'd better try your best to speak while you do much listening. Don't be afraid of making _____
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九年级·英语·选择题Unit 6 TV programmes
Whether there are any aliens（外星人）in outer space or other planets is still a ________.
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九年级·英语·选择题Unit 6 TV programmes
Try to do it by yourself. Don't ask me to explain ________ you really don't understand.
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