求极限limx趋于无穷大的（5x∧20+x∧15+2）/（3x∧20+2x+1）

We have too little money to buy this expensive house.此句中为什么要用to连接呢?初学者不太理解这个句子,有没有简单点的句子表达这句话的意思呢? 巴门尼德哲学是什么?在看捷克作家米兰·昆德拉的成名作《不能承受的生命之轻》这到底是什么哲学啊? 如何理解巴门尼德的存在 请问一下谁知道哲学上“巴门尼德”有关“存在”的基本观点及其历史意义. 用聚精会神等词任选2-3个造句.用这里的词：聚精会神、寸步不让、深明大义、若有所悟、宽容大度、毫不惧怕 在VS2010中,this.DialogResult = DialogResult. 17、In the course of a day our students do far more than just _____ classes.A.attending B.attended C.to attend D.attend 一张正方形纸片如何折成等边三角形 用专心致志造句 不慌不忙造句? enjoy the sunshine什么意思 Her son______coke,but now he ________milkA.used to drink,is used to drinking B.used to drinking,drinksC.is used to drinking,used to drink D.is used to drink,is drinking “炼就”在《新华字典》中意思 Would you mind _____ more slowly? I can't follow you.A. speakB. spokeC. spokenD. speaking为什么选D? -- would you mind speaking more slowly l can hardly --- you -- of course nota\ readb\ followc\ missd\ match说理由! 小麻雀在树上鸣叫.（改成拟人句） My little borther likes to sieep a little ( )on Saturday morning. The new pair of trousers _____ so little that I will buy two pairsA.are B.is C.costs D.seem The jacket cost so little that he bought it.转换The jacket was _ _ for him to buy. Many children have parties at school,and many adults have parties at work in December.的意思快 在冬天,游客们最喜欢到海南省度假.In winter,tourists like to go to Hainan ___ for their ____. winter is the（ ）season at most hotels in this town,because very few tourists come to stay.A.slowB.slackC.lowD.quiet请问选择哪一个呢?我觉得slack 可以,但是答案说不对,个人觉得好像都是可以的,真的有很大的区别吗? Winter is the _____ season at most hotels in this seaside town,because very few tourists come to st Hainan has a lot of_(tour)in winter I went to Hainan and e＿＿＿ the sunshine there补全句子 小学英语如何教句子 形容山市(和海市蜃楼差不多)的古诗句关于聊斋志异里蒲松龄一段文章的阅读题,知道的请尽快回复, it is () to lie on the beach in summer it行业共有哪些职业工种 IT行业指的是什么 它包括哪些东西 金属矿山有哪些工种,定义各是什么. 请问 工作很辛苦 的英文怎么说