相关系数的计算公式

树上的知了不住地叫着.（扩句） 蝉为什么在树上叫? __their help ,we would not have succeededA Hadn't been for B Had it not been for C It hadn't been for D Had not it been for给理由,谢谢 have not和don't have的区别?大概是这么一道题：按要求转换句型She has big eyes.（改为否定句）She _____ ______ big eyes.（一空一词）我填 has not ,为什么错?have not 和 don't have 的区别在哪里? not have 与 have not 的用法与区别 The real love is the acceptance of all that is ,have been ,will be ,and ,will not be. 英语翻译如题 树上的蝉从哪来? 每棵树上一般会有几只蝉?考虑是不是每棵树上一般只有一只,因为叫声很齐,无法辨别数量.但是从百度百科上面查,说蝉一般齐鸣…… 英语翻译ThisisacomputertranslationoftheoriginalwebpageItisprovidedforgeneralinformationonlyandshouldnotberegardedascomplete 句号的英语单词是什么 I can't thank you ___ much for your kindness,because without your help I wouldn't have succeeded in the exam.对不起,选项忘打了(A) too (B) very (C) quite (D) that并说明原因, 苹果6 输入英文单词后点击空格 出现英文的句号,怎么破? i cannot thank you ___for your kindness,because without yopur help,i cannot have succeededmuch too toomuch very muchquite much don't have和have no有什么区别? i have something important to tell mark .could you tell me where ___hima find b found c to find d finding 我英语差 Come here,please.I'll tell you_____.A.anything important B.important anything C.something importantD.important something 应该选哪个? 首字母填空 Come a___.I have something important to tell you. I can't see her.qucikly because I have something important to tell herA too b very c quite d rather分析吧 蝉（知了）的叫声有几种?我经常能听到的是一种持续稳定的蝉声,声音没有什么起伏.但是,好像还有一种声音很有节奏的时高时低,声音酷似汉字“知了”.大家认为有几种蝉声啊,我现在在西安 知了有几种叫声? 树上的知了不住地叫着.改成拟人句 高三英语选择I’ve read up to where the children discover the secret cave.I’ve read up to ——— the children discover the secret cave.请问为何填where,后面难道不是一个完整的句子么?为何不用that不要从句子意思解 We have understood where、They have all read where和Sarah has heard where填这些从句, at,these,are,zebras,looking,they 请帮我翻译一下这些英语：These postcards are great!yes,they are.And look at this one. they are looking at these zebres是什么意思 these和they那个应该放在句子里 Look at these photos ( )are my photos These books are mine.（变一般疑问句并作否定回答） _______________________?_____,______________. These are her books变疑问句 have you finished the book?i have read up to --the children discover the secret cave. My parents have a bike.变一般疑问句,并作肯定回答/Are these your books?变为单数形式在10分钟之内回答出来的追加分!