徐州市区是哪几个区

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补全对话中打电话用语的that this it 怎么用 请问英语电话用语中的who's this 与 who's that 有什么区别? 正比例函数选择题函数Y=(2k+3)x中,y随x的增大而减小,则k的取值范围是 A.k不等于-1.5 B.k>-1.5 C.k 关于正比例函数的数学题已知y=y1-y2,y2与x-2成正比例,且当x=1时,y=0; x=-3时,y=4求y与x之间的关系式.打错..已知y=y1-y2,y2与x-2成正比例,且当x=1时,y=0; x=3时,y=4.求y与x之间的关系式. ----Hello.(Are you )(A) Mrs Black?----Yes(B).This(C) is Mrs Black speaking(D)请问,A、B、C、D选哪个,为什么改错题 正比例函数数学题已知正比例函数y=(3/2k-6)x的图象经过两点A(x1,y1)、B(x2,y2),当x1>x2时,有y1 If you are Mrs Black,what did you say to 改错 ----Hello.(Are you )(A) Mrs Black?----Yes(B).This(C) is Mrs Black speaking(D)请问,A、B、C、D选哪个,为什么 you are black sheep!(BLACK SHEEP)是什么意思? 英语翻译短文的开头句.快来帮我翻译.楼主给你分~ .I knocked on the door ,but nobody _____ the door.A.closed B.opened C.answered D.rang.I knocked on the door ,but nobody _____ the door.A.closed B.opened C.answered D.rang为什么答案是C,而 B不行呢? did you sing English songs two years ago?改为特殊疑问句 Mr zhang can speak English陈述句变一般疑问句 握手是社交常见的礼节,与人初次见面,往往以握手示礼.新学期开学,老师为了让新同学相互认识,要求全班 anyway,all the best wishes for her 民国时期,在社交礼仪上逐渐用西方的握手,鞠躬取代跪拜礼,称呼上用"先生""同志"取代"老爷""大人",这一变化拜托了!考题 anyway ,we wish them the ___________. I more of a dog person but anyway 我们知道人因礼仪而优雅,礼仪涉及交往的方方面面,如握手,待客接电话等,请查阅和了解这方面的礼仪习俗 在商务、谈判礼仪中,男士与女士握手,女士与女士握手是什么方式?在宴会和社交礼仪中又是什么方式?方式指的是握手的姿势是怎么样的 give me a rubber是什么意思好像是说不可以对女生说?不懂它的意思 This is Zhang That is Zhang Peng.改为一般疑问句 Zhang Peng is taking pictures now.(改为一般疑问句) 设X做数学题甲、乙、丙三堆煤,甲重是乙、丙总重的2/3,乙重是甲、丙总重的1/4,丙重90吨,问甲、乙各多重? (when i arrived,i found the door closed.)这句话为什么要用closed而不用closing. 一道数学题,要设X 帮我解释一下(A/P,i,n)=(A/F,i,n)+i The Black-eyed peas are supposed(期望) to ( ) good luck to them. Who taught __maths last year?A.they B.their C.them D.theirs相信社会好人多 为什么会有日长夜短,夜长日短的季节? 日长夜短愁几许打一字