在直角坐标系xOy中，曲线C1的参数方程为X=√3cosαyY=sinα,以原点O为极点，以x轴在直

To master English in such a short time is too difficult for him中的句子成份问题!To master English in such a short time is too difficult for him中的in such a short time 是状语还是定语?要是状语改成To master English is too difficu 求大神帮我做一张锁屏壁纸,上面的文字是“嘿,我喜欢你” 求大神把字PS掉,桌面天空. 近义词在线查询优秀 近义词在线查询打量的近义词 展现的近义词 This is our duty to protect our environment around us.此句错在哪? What time will your father go to work the day after tomorrow.用一般将来时回答 I will go over what I learned in the day time and prepare for the tomorrow's classes. 是什么意思啊 Happiness does not have anything to ______ with the cookie:it has to do with being alive.A.deal B.do Does luck have anything to do with success?以以上标题帮我写一篇论文,请勿乱回答,老火啊. 反义词.光明……（ ） 高潮……（ ） 胜利……（ ） 近义词.保证反义词.光明……（ ） 高潮……（ ）胜利……（ ） 近义词.保证……（ ） 特殊……（ ）严肃……（ ）＊～＊ how soon can you finish this job?two days-enough for me to finish the work.i need a week.A is not B are not C is为什么选A at times 与 at the times 的区别是at the time I will finish reading this book in two days.(对in two days提问） 在此期间,during the period 还是 during that time 英译汉I can't finish reading this book in two days Do you wish _____(visit) the Great Wall? the little girl has shown a great i___ in learning the piano The girl would,___go to visit the great scientist on his way back home after school.A.at a time B.at the timeC.at the same timeD.at one time请问at a time ,at one time 这题应该选什么?另外做到过一片完型：By the time the Lord made the with,we,can,him,not,come(.)连词成句 It rained all night and all day,___which time the ship broke into pieces.空格里填什么介词? first什么意思 first的意思 What don't I have that Sasuke does 是what/do/peter/have?还是what/does/peter/have? come right up 原句：he usually comes right up to me when i get there. come up to the hill come up to sb 的含义 school time you come to on must 排列 pen pen pal中文名是什么?