极限不存在不可导

it wasn't long ()he joined the job.A that B before C until D and为什么选B A good friend of mine from when i was born shown up at my home right before i left for Beijing.为什么填when?这是什么从句?是定语从句还是宾语从句?when在这里面的词性是什么词? Tom is very taller than I 请问哪里错了?哪里有错?这是一句改错题 急求关于钱的英语小论文,演讲稿也行!求一篇关于钱（如钱不是万能的,钱可以看出是否的真的朋友,不能为了钱什么都不顾.等等.中文200-400字,要英文版的!谢谢急用!能写下中文吗?谢谢 Let me have a look.同义句 Let's have a look at this movie 的同义句 Let me have a look.同义句转化 I___ ___have a look His father is a (woeker).就划线/括号部分提问 His father is a bus driver.(a bus driver划线提问）____ _____does his father do? His father is a driver .(变否定句） tom often makes his sister cry ,but this time he was made___ by his sistercry 还是 to cry 还是crying Tom loves ______ _____ _____ ______(玩电脑)with his sister in the study 推一个数学三角函数公式哪位高手帮忙推下面这条公式：cos(x+y)=cosx.cosy-sinx.siny要过程~ computer,work,i,the,with how long _______ he__________London before he came here? before 怎么对His father is a worker的a worker提问 My father is a worker.对划线部分a worker 提问 What ( ) your father? his father is a worker. 的问句 John and Ben are helpful at home有错吗, Are you helpful at home,Mike?用英文回答. Peter often ___ (read) books on weekends.He likes ___ (read).尽可能加上说明,用所给单词的正确形式填空。they have some ___ (money).Please go and help ____ (they). 用所给词的正确形式填空.Peter often_____(read) books on weekends.He likes______(read) This is a red desk.对 a red desk怎样提问? use the clues to comlete the puzzle1.the opposite word of " difficult"2.get away from a place to freedom3.quickly or rapidly4.a person who rides a bicycle5.weii-known6.make for the first time 7.people from another planet8.come into view9.all the time circle the past forms of verbs in the crossword puzzle.then use the words to complete the sentencesthe football player drand a lot of water after the gamesarah----------a birthday gift for her friend in the shop the thief---------in the closet when t [ D32] A good friend of mine from ___ I was born showed upat my home right before I left for Beijing.A how B whom C when D which请翻译,并分析. Crossword puzzle.Use the sentences below to help youIt is raining h____The boy greets the teacher p_______The dress fits her n_________She looks s______ at her broken dollShe reads q_________ in the libraryShe sings l_______ so that we can hear her A good friend of mine from ___ I was born showed up at my home right before I left for Beijing.-----填when.请各位大大帮我分析下句子成分,尤其是那个from是干嘛的.请不要乱说,什么补语状语宾语定语一块来的. A good friend of mine_I was born showed up at my home right before I left for Beijing为什么空白处填when?这是今年安徽高考题 A good friend of mine from ________ I was born showed up at my home right before I left for Beijing .A .how B.whom C.when D.which 详细分析一下句子成分,为什么选C,Born from是固定搭配吗?不应该是介词+which,选D才对吗? [测评P4/T10] A good friend of mine from ______ I was born showed up at my home right beforeI left for Beijing.A how B whom C when D which为什么选C而不选D?