常见曲线方程及图形

your sister is going to study english.write a letter to a friend of your,who is an Enlish teacher Write a short personal letter to your close friend in the UK,teling him/her your plan to join him/her and you've failed for the visa application,asking his/her advice. 以孔子或孟子的某一句名言为题写一篇作文 Write a latter to Dr.Know.Tell him about all the rules and how you feel about them英语作文写信知心博士.告诉他所有的规则,你对他们的感觉 英语作文 英语翻译 以孔子、孟子的一句名言写一篇议论作文600字左右以“学而不思则惘，思而不学则殆”为思路 Write a letter to Dr Know about the rules in your house.的中文翻译 30% off 与 30% sale 40%off sale 是4折还是6折 你为什么没优秀”作文,要想检讨那样的,1000字班级前十,历史没优秀,老师让我们写检讨,要1000字啊! 作文没及格写一千字检讨 没写语文作文,帮写一下检讨书,字数不多,只要1000字老师说期末学习紧张,还不写作业.开头还要用排比.帮帮忙啊.答得好的多加30谢了啊 Determine if the purchase is for Inquiry/Quotation of For Approval 怎么翻译啊 急 翻译：Students get a discount of 20% on plane tickets. 为什么师范大学都要翻译成normal university? normal是什么意思? we sell them for 5 % of the normal price.求翻译 英语翻译这是六折的意思吧?求高手翻译下... Write a letter to HU Bin to tell him about your school life my parents tell me that the noodles are f____ long life and should eat them .求 shirts on sale for 1/4 in the mean time 与simultaneous 区别 better in time这个英文句子的中文意思是什么? in the meantime和in the mean time什么区别. in the mean time和in the meantime有什么区别哪个是“在..期间”,哪个是“同时”? mean time还是meantime如题 英文摘要怎么写,是直接翻译中文摘要吗 30%sale是什么意思,是7折吗 to the Zoo英语作文拜托了各位 ( )we go to the zoo on saturday? Let,s go to the zoo,______?Let us go to the zoo,____?A.shall we B,will you 为什么去公园 要用go to the zoo go to zoo 不行吗 go to a zoo 不行吗 餐饮业工作服费用是如何核算的?工作服的费用是作为管理费用?还是营业费用?要不要摊销啊