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高频错题
#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|}=
精选练习题目
Jenny said that she ______(be) afraid of the dark.
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-He didn\’t go to the concert yesterday,did he? -______.He was busy studying for the tests all day.( )
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You can't
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The spacecraft,Shenzhou 12 was planned to stay in space for a much longer time,serving for the next decade(十年) 句子中的谓语是?( )
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____________ they are very tired,they feel happy because they\’ ve finally finished their project.( )
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—I think everyone should play a role in water.Let\’s take actions now! —That\’s right.Water is important in our life.( )
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You’d better take the GPS with you ______ you won’t get lost.( )
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In my eyes,Huai\’an is more beautiful than city in Jiangsu.( )
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用括号中所给单词的适当形式填空 【1】Two kilos of meat __________(be) OK. 【2】What about __________(swim) in the pool? 【3】He doesn’t like __________(some) orange juice. 【4】When he is free, he often makes some __________(tomato) soup. 【5】Th
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We’re taking the plane. It’s a long way. (用 so 连接句子) ___________________________________________________________________
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根据句意或首字母提示完成句子。 【1】Tom's books are_____—on the desk, on the bed and under the chair. 【2】The fourth day of the week is W_____. 【3】Helen is my aunt's daughter. She is my_____. 【4】My_____ name is Smith.You can call me Mr.Sm
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语篇翻译 阅读下面的短文 , 将划线部分译成英文或中文。 Kate and Gina are sisters, but they are different (不同的) . 凯特很爱整洁 , 但是吉娜不是 。 In their room, Kate's books and tapes are in the bookcase. 她的钥匙在她的书包里 。 She has a clock. It's on the desk. Gina's b
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句型转换 【1】They left school at 16. (改为一般疑问句) ________ they ________ school at 16? 【2】They sang and danced in the classroom at Christmas. (改为否定句) They ________ sing ________ dance in the classroom at Christmas. 【3】Tang Lei b
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(1分)(2023·邗江模拟)— Oh, what a day! I'm too tired out. — How can you be boss and accountant at the same time?__________
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(2023九上·连云港开学考) Don't do your homework too late every night. You can't____.
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I can’t connect my computer to the Internet. There must be _______wrong with it.
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The earth was so seriously polluted ________ we must take action to save the planet.
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—Do you often go to the movies? —No,I\’m too busy.I have free time.( )
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完成句子 从那时起我们就没有见过他们。We haven’t seen them (1) (2) . 【小题】 【小题】
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People like to go to this place especially in June .( )
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