求圆心在直线2xy0

1QB等于多少Q點? 与北京时间相比,俄罗斯时间晚4小时.北京时间12时,俄罗斯时间是【】a8时,b16时,c-c-4时 d-8时 a,is,in,an,school,English,she,middle,teacher,连词成句. 英语连词成句：a,is,in,an,school,english,she,middle,teacher. 连词成句：school,middle,in,she,is,the(?) 1.___does youe mother do?She's an English teacher in a middle school.1.___does youe mother do?She's an English teacher in a middle school.Is her school 2.___ from your home?Yes,it is.3.___does she go to work?She usually goes to work 4.___busHow long 证明"0≤a≤1/6"是"函数f﹙x﹚=ax^2+2(a-1)x+2在区间(-∞,4]上为减函数"的充分不必要条件 在组什么词是两个词的词语 怎样快速学英语口语?短期就能和人用英语对话的? 数列 {an}中,对于任意正整数n,均有a(n+3)=an成立,且a1=1,a2=2,a3=3,则a2010= cctv9对话女主持人田薇是怎样学英语的 there ＿ on the wall .they are very beautiful .a.are photoes b.are photos c.is ...there ＿ on the wall .they are very beautiful .a.are photoes b.are photos c.is a photo 1、There on the wall .They are very beautiful.A.are photoes B.are photos C.is a photoD.is photos2.This kind of car made in Shanghai.A.is B .are C .were D .has3.There are four and two in the group.A.Japanese,Germen B Japaneses,GermenC.Japanese,German 俄罗斯时间和北京时间相差多少 现在中国军事实力有苏联最强盛时期一半了吗苏联军事最强盛时期应该是70年代后期-80年代中期军事方面全面压制美国 at,look,picture,the,pleaseA：胜2局与负3局 B：盈利3万元与亏损3万元 ____(look) at the picture,please!We ___ (can see) that the doctor and nurses ___ (operate) on the eyes of the patient.用括号内单词正确时态填空, Look at the house in the picture! It's niceYeah,but I think the one in that picture is ().There are some green trees around itA .goodB.bestC.betterD.well 打台球时,加左（右）塞后,白球吃库如何判断?请专家指出 “影片采用倒叙的叙事手法”翻译成英语. 英语翻译在六点钟 12.在三点一刻 13.在八点零五 14.在九点半 15.十点三十五 16.在十一点四十 15.在两点四十五 16.在五点五十 17.在七点五十五 (1/2)已知数列{an}满足a1=2,a(n+1)=（1+an）/(1-an)(n属于N+)则连乘积a1*a2…a2010*a2011的值为3 英语翻译目前在写关于叙事的论文,这几个术语不知道如何翻译,也查不到, 英语翻译谁想到是你 连自己都耻笑我 曾是好姊妹竟跟他数算我 假好心的交待过 你说他早想甩我 更说爱你竟比我多 ＊就算情人多坏 亦惯了照捱 被战友战败 就似亲手给活埋 被你无情出卖 please come here as soon as possible 为什么不用as soon as he can Please come back to see us as soon as Possible什么意思 Come as soon as possible. 尽可能早些来. as soon as是一…就…；如…一般快 的意思和本局的意思不符啊 我想现在买个手机2000元左右除了小米, 英语：if he ——,please tell me as soon as possible.中是填will come还是comes?原因?不是主将从现吗?if he ——,不是主句吗? 打台球的白球,打不同的方位分别是什么走法? 1+2+3+...+95+96+95+...+3+2+1=?_____________________________ 888888*888888 已知关于X的方程AX^2+BX+C=0,其中2A+3B+6C=0.当A.>0时,求证方程至少有一根在0--1补充请勿复制别人的答案还有f(0)f(1)<0可以是可以但是 还有一种情况呢 当有2根在0-1之间时 f(0)f(1)>0的