已知f(x)=log3x

2003年10月15日,我国成功发射了第一艘载人宇宙飞船“神舟”五号．火箭全长58.3m,起飞重量479． 8t,火火箭点火升空,飞船进入预定轨道．“神舟”五号环绕地球飞行14圈约用时间21h．飞船点火竖 长征二号F型火箭全长58.3m,火箭及其配件质量为480t,由4个液体火箭助推器和芯一级、二级、整流罩、逃逸塔用自身质量为120t的特大平板卡车把火箭运往发射基地.由于火箭很重、体积大,路面弯 目前我国所有运载火箭中起飞质量最大,长度最长的火箭是什么号 我是2011年5月份考的bec中级,成绩为B1,不知道过了没 请附上证明 BEC中级b1是没过吗.哎.白兴奋了.好像是没过吧?那有证书吗.和ABC肯定不一样把.有知情人士么. my主格,I宾格是什么?英语 mine是my的宾格吗? 连词成句on,you,with,go,picnic,me,will,a连词成句on,you,with,go,picnic,me,will,a_________________________________________? mine是my的宾格吗?me是不是my的宾格?到底是me还是mine是my的宾格?请说清楚为什么 __Will you go to the park with me this afternoon __Sorry,_______.my aunt is coming to see me .A.I can't B.I should 't C.I mustn't my的宾格所有格 问哈in return 词组,意思,用法,例句, In return for this...这里的in怎么理解 wake me up 语法正确吗. wake me up是什么 wake me up什么意思 my的宾格 plays,the,every,he,morning,piano.连词成句 我买 2 用return造句详细一点,return造句. in return造句 in return to和in return for区别 用return to造句 Someone asks you if the litter baskets have been emptied yet.You know they've already been done.What do you say? we already know you have been doing excellently我们已经知道你一直做的非常优秀.这里用know对吗? Amy is the best girl in her glass.(同义词）并解释句意Amy is ____than_____ _____girl in her class.Amy is ____than_____ _____girl in her class.两种 将下列句子改为否定句.1.amy is the best student in my class.2.jim has a lot of new books in his study.3.john can sing the song.4.Bill broke the glass yesterday.5.Open the window ,Peter.6.Liu Tan and Kitty will go tothe zoo next Sunday. 一个人要成功 到底是天赋还是后天努力和后天环境重要?哪一个最重要?为什么?参考消息刊登过一个英国科研机构对全球3000多对同卵双胞胎和异卵双胞胎的20多年的跟踪调查研究发现,很多同 He ofter＿. A.plays the piano B.piay the piano C.plays piano Professor White has written some short stories,but he is ( ) known for his plays.A.the best B.the better C.better D.the most in return for this语法结构nce2 lesson 6里的一句话,In return for this,the beggar stood on his head and sang songs 这句中in return for this是什么结构?习语还是短语?