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有一串真分数,按下列规律排列：1/2,1/3,2/3,1/4,2/4,3/4,1/5,2/5,3/5,4/5,1/6,…,问第99个真分数数是什么? 观察下列数-2,4,-8,16,-32,64 1,7,-5,19,-29,67 -1\2.1,-2,4,-8,16第3和3与第一个有什么关系?规律是什么? 1 2 4 8 16 32 64.这样的数有什么规律A(1,3) A1(2,3) A2(4,3) A3(8,3) A4(16,3).An(?,3) 用带n的代数式表达出来 不要光说答案 用7,8,9,10,11,12,13,14,15填空使横竖都相等 八上英语首字母填空你想挣钱买自己喜欢的东西吗?你想挣钱为自己交学费吗?想挣钱帮助贫困地区失学的孩子吗?那么利用假期找份工作是个不错的注意.请填入适当的单词完成短文,首字母已 8年级英语首字母填空Many people like traveling for their holiday.they go to h_1__,beaches or forests.Some people like h_2___,so they like to visit some old interesting places.In many countries,the travel agency(旅行社)can help you to p__3_ 英语八年级Unit 9根据首字母填空My name is Ryan Connrlly,a 20year-old American young man.When I was 11,I started putting my money in the b____ .It was exciting to see my money grow.Ever since then ,I have been saving money for my f____.At f Rainforests are magical places on earth,full of life and beauty.They are h__ to millions of birds,inserts,animals,and plants.Environmental groups are trying hard to s___ the rainforests. 一段英语八上首字母填空Not long ago,an scientist made some tests with d____ animals to find out which was c_____ than oteer animals.In one test,the old scientist put a monkey in a room where there were many boxes.Some boxes are inside other 英语填空10题都做 英语填空10题, 填空共10题 三道英语填空1.______ do you play basketball Three times a weeks.a how oftenb how muchc when d where2.The ticker is on the floor.Would you please ______ for me a pick it up b pick up itc pick up themd pick them up3.What did you see ______ a nowb 英语3道填空1.There aren't any elephants in the zoo.改为单数There ( ) ( ) elephant in the zoo.2.What other things do you want to do?同义句( ) ( ) do you want to do?3.Why not see the panda first?同义句( ) see the panda first.注意,这 先找规律,再填空 8/9 4/9 2/9 1/9 （ ） 规律填空 1分之1 3分之2 8分之5 21分之13（ ） （　）　（ ）按 写一篇考试英语自我介绍作文 本人15岁 名字 黎超 爱好玩电脑 在东坡中职校 机电二班读书 50 英语四级考试中听力25错6,快速阅读10错1选词填空10错7,作文写的还行,阅读理解10错3,完形全部蒙的能过 英语短文填空 The strangest FridayHave you e__________ imagined changing places with your mum or dad?What would it be like if you were inside someone else's body?It may never h__________ in real life,but it does come t_________ in the Disney ( 英语短文填空.急.Miss Richard was a teacher at a school for boys and girls.She____chemistry and physics from the lowest to the highest classes in the____,sometimes the new classes learnt____,but sometimes they were very slow,and then Miss Richa 英语短文填空（速度来）感觉这篇短文填空很难下手,Every year,the Wilsons go to the beach __1__ a week's vacation.There are many interesting ___2___ to do at the beach.The children __3___ games on the sand.Sometimes they build sand 英语短文填空 急Today,many people like to keep lovely pets in their houses._1_some people,the pet is a very important part of their life.Do you want to get a _2_?And do you know how to_3_your pet healthy and happy?There are some advice_4_you.It 英语短文填空、速度求啊、填入适当的句子补全对话Did you watch TV yesterday,Vera?No ,I didn't .__________________Yes.It's said that someone saw a UFO in Kunmingoh.really?______________________On Friday afternoon___________________ 对于一个外国人来说,学汉语是很困难的.用英语怎样翻译? 关于老外学汉语的英语作文越快速越好.你的加拿大笔友DAVID今年暑假打算来中国学汉语！你得知厦门大学六月20日举办暑假汉语口语培训班写信告诉他！1.时间地点性质（初级），学费（60美 中国人为什么要学英语?而外国人为什么不学汉语? 有没有在大连的外国人(说英语的)想学汉语?希望是风趣幽默的人 外国人学汉语痛苦 还是中国人学英语痛苦哪个更快啊 我突然想起来 有点恶趣味啊 明天英语考试,谁会写这样的作文?作文片段题一. 上星期天天气很好,迈克都做了些什么?写出一段话. （1）sunny,last sunday (2) mike, homework,morning (3) football, with his frirnds ,aft 英语考试求英语高手写篇作文.周末两天的休息对于忙于工作学习的什么来说是非常宝贵的.请你根据下列提纲,以"How I spend the weekend"为题,写一篇120词的短文.文章须包含以下要点：1.周末对于 高中英语考试作文最后一句话怎么写?就是类似于某某遇到什么麻烦,要你给他一些解决办法.然后来句总结,或者别的常规性结尾句有哪些? 陆生动物如何适应环境300字作文