小学生二声部合唱谱

a+b+c=60,b+c+d=70,b+a+d=80,c+a+d=90,a=?,b=?,c=?,d=? a+b=80 a+c=90 b+c=70 b+d=100 求a、b、c、d各得多少? A B=90,B C=80,A C=70,A,B, 找首歌 开头的歌词是I always come back to you I've been waiting for a gay likes you 很和缓的曲调 一道情景对话选择题--- _____the people in the accident?---Two of them were killed and one was injured.A How was it for B What was the reason forC What happened to D What is the matter withWhich is right and WHY?\\为什么不选A i feel hope you can come back to me i will forgive you for everything i feel crying about everyday歌词貌似是这样 求歌 I' ve been hopin' you come back to I been hoping you comeback to me这是什么意思啊? 调查问卷如何用SPSS进行信度和效度的测量! 怎么样用spss统计分析李克特量表表示的调查问卷,数据已经录入了进去了论文写的是影响某某事件因素的研究,我一共选了6个大的因素,6个因素每个因素下面有5个问题,所以问卷一共是30个问题 如何对调查问卷进行效度和信度分析?用spss软件分析（需要具体的操作步骤）谢谢各位大虾了. 我完全是是spss方面的菜鸟.现在由于要做调查问卷的信度和效度分析遇到最基本的问题如下：急我调入的是excel的数据（每份问卷的具体选择项）.这个数据格式有错误吗?我现在要分析的时候 the little girl is becoming _____ and _____(beautiful)2个_____填(beautiful) how beautiful the little girl is dancing 哪错了? The little girl is a little shy.(改为同义句) 种 属 科 目 纲 门 界用英语解答可以考虑悬赏分哟 [紧急求助]芹菜按生物学的分类,具体属于哪种属,科,目,纲,门,界? 英语口语比赛稿简单一点的,不用太长, 大学英语口语演讲比赛的自我介绍稿比如我想具体问问：我对英语很敢兴趣,有一种想法一直存于心：我希望有一天别人问到我说你的优势和特长是什么时,我能很自豪的告诉别人,是英语好! 英语口语应试稿Describe how Western culture is in influences are Chinese teenagers.You should say:1.what the main influences are 2.whether or not the influences are positive or negative 3.how you feel about them 南美洲的安第斯山脉是由哪两大板块相互挤压形成的?有的书说南极洲板块和美洲板块,有的书说是太平洋板块和美洲板块,哪一个正确呢? what is it? yes,it is. it is my cat. this is mary. he is my brother. The girl is Kate.She wears a beautiful dress.(改为同义句）The girl _____Kate____ _____ a beautiful dress. 改错：The girl I sea was wearing in a beautiful dress. the little girl looks _______in the yellow dress 英语口语总是不行,该怎么办啊? a beautiful place to live还是to live in? The house __ I live __is very beautiful.A.that;/B.which;/C.where;inD.which;in My uncle Bruce usd to live in a beautiful little house bythe sea是一篇完形填空 They live in a big house ___ a beautiful garden ___it 梦见太阳月亮星星今天早上做了一个很奇怪的梦,梦见自己在回家要路过西藏一个的小县城,而且还在那脚扭伤了脚,准备在哪治疗好后在回家,那个小县城那天正是赶集的时候,全部是人乌压压 昆明为什么四季如春 全面点!