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一个关于函数连续的简单问题书上说：可导意味着函数一定连续.这个可导是只要求在一点处可导,函数就连续,还是说函数在其定于域内每一点都可导,并且导数的函数表达式都一样才能说,这 一道简单的函数连续题~f(x)=﹛1-cosx,x 1.He is so young that he can't go to school （改为同义句）He is _____ young _____to go to school.2.南希的英语不如汤姆的好.Nancy's English isn't _____ good _____ Tom's3.It's nothing s_____ .She's only very tired.4.我朋友喜欢和 1.WTO代表什么?What does WTO____ ____?2.教师节就要来了,我代表全班同学感谢您.Teacher's Day is coming,I___ ___the whole class to thank you. 各位哥哥姐姐们、帮忙阿.回答完毕可附加30分. 广东在历史上有过日全食吗?那么在广东可观测的下一次日全食又是什么时候4楼你装什么B，不懂就不懂，还装 一次日全食的过程可以包括五个时期,是哪几个?你能简单说说日全食产生的原因吗 为什么會出现日全食!下一次日全食要等到什么時候才會出现!为什么會出现日全食!下一次日全食要等到什麽時候才會出现! 题目中说的第几号元素,多少号元素指得是不是质子数呀? 挑错题,factory workers (had to) work (very hard) before,(so) (had farmers).factory workers (had to) work (very hard) before,(so) (had a b c dfarmers).请问为什么呢?这句话很别扭是什么意思呢? 2010年7月22 日在哪个城市发生了壮观的天象日全食 为什么说此次日全食时壮观的天象 写给三颗枸杞豆中的三叔的碑文现在能给我答复吗,快点,200字 日全食天象对人有什么启示 日全食是自然天象.扩句 英语翻译you have to get there early and wait for the plane to take off and it is often late.you can't open the window.you can't choose the food.planes are fast,but they still take hours yo get out of the airport and into the city.I like traveling 英语翻译1970 was World Conservation Year.The United Nations wanted everyone to know that the world is in danger.They hoped that governments would act quickly in order to "conserve" nature.Here is one example of the problem.At one time there were 英语翻译Mr Knight had a hotel in a small town.One Friday evening there men came to his hotel to ask for rooms for a night Mr Knight told them that his hotel was full and the three men felt unhappy because they had no place to stay in for night Mr 三颗枸杞豆中的三叔是个怎样的人? 如果在菜地的外面围上一面篱笆这个篱笆周长大约是? 朱先生的动物指什么 买朱先生的动物,指什么特肖? As we approached the work site,the woAs we approached the work site,the workers were seen______the new house.A.buildingB.buildC.builtD.to built 朱先生是什么动物? the workers who were ____ of work marched ____ the government hall. 英语翻译Victor used to be such a good runner that he (1) _______(win)nine awards at the age of 18.Then one day while he (2) _______(run)along the roadside,an accident suddenly happened to him.Unfortunately both of his legs (3) _______ (injure)ser 跪求全文翻译.Ⅱ．完形填空（15题,15分）The house next door had been empty for so long that we had quite forgotten what it was like to have neighbors. One day, however, a truck 16 near our front gate, and in a short time, tables, cha 三角形ABC中 b^2+c^2-b*c=a^2/c/b=1/2 +根号3 求角A和tanB打错了三角形ABC中 b^2+c^2-b*c=a^2 c/b=1/2 +根号3 求角A和tanB cos2a-sin2a+tan2a下去要怎么化简? 我家的母鸡怎么不进鸡窝孵小鸡啊 怎么才能让它进窝孵小鸡啊 小鸡子没粮了,求鸡窝一处啊 《苏武传》全文翻译,不用链接,直接复制的,急