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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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Yoga(瑜伽)is a kind of(1)______.Everyone,both the young and the old can do yoga.It is very(2)______around the world now.It\’s good for(3)______men and women.(4)______do people like yoga?There is a short answer and a long a
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Did you see a dentist before?Have you suffered the toothache late in the night?Taking care of your teeth is necessary(必要的).And it\’s important to have healthy teeth.They can help you speak clearly.Do you want to have hea
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In the 1936 Olympic Games in Berlin,there were only two players with a chance to win the gold medal in the final of the long jump.One was Lutz Long,a German long jumper,and the other was Jesse Owens,a black American. At
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SUNSHINE SPORTS SKILLS TRAINING FOR BOYS Do you have plans for your holiday?Are you a sports lover looking for skill development(提升)in the summer holiday?Joy of the Game(JG)was founded(成立)in 2011.Come and join JG to deve
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A.用方框中所给单词的适当形式填空。每词限用一次。 enter begin heart possible crazy (1) At the _________of this year, I made a wish that I would make progress in math. (2) I am ________about collecting stamps. I think they are amazing beyond wor
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1.Too much homework; Don’t have enough time for their hobbies. Advice:Make a plan for study and hobbies. Find time to relax as possible as you can. 2.Too much tiring homework; Bad reading and writing habits Advice: Do ho
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(C) A “Gap Year” is a period of time when a student takes a break* before going to university. It is often spent travelling or working. More and more American students are preparing for college by taking a gap year. The
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o travel around the world is the dream of many adventurous* people. But very few people can afford to travel all over the world because hotels, food and airplane tickets are too expensive. Some people, however, have thou
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Let’s Explore (探究) The Nature Are you interested in animals and nature? Want to enjoy your summer holiday and learn something interesting and useful?Here comes your CHANCE! Youth Explore has prepared you with a THREE DAY
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I’m really willing* to tell every person what I experienced on a snowy night. That night, I sat with my friend in a well-known (1) . As we talked and enjoyed ourselves, a man entered and sat down beside us . He called th
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All the people think______impossible for Wang Wu to win the first prize .
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Eating an apple a day makes me ______.
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As a little boy, Jimmy is ______young______ look after himself.
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In fact, this pair of trousers ____ her 200 dollars.
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--Miss Smith is not in her office.She has gone to Britain. --When ____she _____there?
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Li Mei has been in America ______3 years, and she misses her family very much.
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The supermarket sells a lot of things, _______food, clothes and toys.
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Would you mind if I open the window? The air here______so bad.
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Lily is ____active girl and she is interested in playing _____guitar.
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假如你叫Ann,非常想把英语学好,但进步缓慢,尤其是口语。经过认真思考之后,你决定发电子邮件给报纸编辑,把自己的困惑告诉他们,希望得到他们的指点。 你的困惑: 1. 害怕在课堂上讲英语; 2. 在分组或派对活动时格外紧张,担心比别人差; 3. 碰到外宾时,更是害怕因错误而受到嘲笑。 要求:1. 探讨的内容包括以上所提供的要点; 2. 字迹工整,语句通顺,可适当发挥,80词左右(邮件的开头和结尾已给出,不计入总词数)。 Dear Edit
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