若圆o的半径为5，AF＝15/2，求tan角ABF的值

She explained that there was a good reason中的 that there was 语法意义是什么? "It seems that she was there at the conference." the sentence means thatshe seems to have been at the conference.Why? car的复数car的复数 travel的复数是travelling还是traveling? 英语翻译1.l,you,help,can )(　　　　　　　　 ）( )2.going,are,when,you )( )( )3.to,going,what,you,are,tomorrow,do )( )( )4.visit,grandpzrents,going,to,I'm (.)( )( )5.next to,the,is,hospital,it (.)( )( ) 英语翻译is ,she ,a ,reporter ,TV._____________________ _____________________ your ,does ,what ,father ,do(?) _____________________ _____________________ am ,l ,to ,going ,an ,be ,artist._____________________ _____________________ does ,she ,go ,h I am going bike riding句型转换,I am going to — a — . I'm going ______on Sunday and i'm going to take some photos on the way.A.bike ride B.bike riding C Ben and Pete going to the zoo by bike on next Saturday.这句话错了吗?为什么? i like going to school on my bike.请问on in 在接交通工具时有什么区别. 单词组词：get,by,going,I,bike,there,am,to He decided to travel by car __________by train.这句话要用"Instead of"还是"rather than". 英语翻译People make important buying decisions based in part on their level of trust in the product,salesperson,and/or the company (Hosmer,1995).However,a customer often does not interact with any physical entity or representative of the web vend 电子商务在物流发展中的重要影响 这句话翻译成英语是什么? 英语翻译 求翻译.都不知道是什么语. 英语翻译Head+Hand+Hardworking=Success用英语翻译英语希望有文采一些,不要这句：“If you want to succeed,you must think,write and work hard.” 英语翻译英语作为国际语言在世界地位举足轻重,伴随着现代国家的不断交流和融合,标准的英语也面临着不断的变化甚至变得不伦不类,标准英语陷入一种保护和入侵的矛盾中,本文通过旅行作 卡塔尔的气候 中国人在卡塔尔做基建能适应吗 卡塔尔的气候怎么样?中国人在卡塔尔做基建能适应吗 我要到卡塔尔去工作,不知道那里的天气如何,并且要带些什么啊? 美国的气候中国人能适应吗 英语句子的那些连词怎么翻译啊?比如that,最好给多点吧,越多越好 【英语】线段AA‘用英语怎么说?我想问A’右上角的那个点怎么说? 为何几内亚湾和中南半岛气候不都是热带雨林?几内亚湾的气候是因为气压带风带向北移,南半球东南信风越过赤道偏转为西南风,形成热带雨林气候.中南半岛的气候也是因为气压带和风带北移 为何几内亚湾和中南半岛气候不都是热带雨林?）几内亚湾的气候是因为气压带风带向北移,南半球东南信风越过赤道偏转为西南风,形成热带雨林气候.中南半岛的气候也是因为气压带和风带北 要去沙特工作,沙特这个国家怎么样, 用了and,可以省略什么句子成分,怎么有的省略主语有的省略系动词,晕死啦,或者给我发一个链接也行呀 句子主语相同是不是能把be和主语省略,请举例一定要有主从句才能省略be动词和主语吗? 英语翻译school,time,do,to,you,what,usually,gofifteen,your,do,you,around,homework,at,do,sevenmorning,runs,six,she,at,in,the,o'clockgoes,and,he,his,eats,to,work,breakfast,then 英语翻译连词成句：1.does,want,be,your brother,whan,to 2.he,pizza,would like,a,with,on,it,olive(橄榄) .3.your,singer,is,who,favorite 4.there,a,bank,is,near,the supermarket(超市) .5.Mike's house,next to,is,the library .翻译：1.他在钓 谁能告诉我沙特阿拉伯的天气情况呢?我哥哥最近要去沙特阿拉伯打工,我听我们同事讲那里的天气很热很热.有的人都去了回不来了,热死在那里了..那里的天气如何呢? 沙特的气候马上要去沙特待两年半 想打听一下那里的气候 温度什么的 最好能详细点 比如温度到各个月份是多少度