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已知cos2a=-25分之7,a属于(2分之π,π),则cosa= 一段对话:_Baby doesn't care if he's slim._Enter Amy.Enter Amy.在句中意思是:象AMY一样美的意思.在这句话里省略了什么? I like English very much.特殊疑问句是什么? The like strawberries.【用he作主语】 Il ike apples very much.【改为一般疑问句】 什么是矩阵法? 能答几道答几道麻烦了 4*4 矩阵键盘有这种接法吗? 谢谢 jim can not swim as fast as ben 同义句 改错：Amy can't swim in the sea,does she? 急需平翘舌词语平翘舌词语有哪些 越多越好 大山使我坚强,镇定.后面是什么? She said she would sometimes chat until I am.翻译： Until she was married,she ------ any new clothes.A.would not haveB.did not have选A哪里不对? 乌拉尔山是跨大洲的山脉吗 乌拉尔山是2个大洲的分界线,它附近的情况是： she 'll have gotten married.June.A.already B.by C.since.D.until请帮我找出正确答案和原因 乌拉尔山是跨洲的山脉吗? 英语翻译cultural recreationemulation on labour skillstraining on applied technologiescross-century angle 除了贱民、刁民、平民还有什么民啊? 英语翻译 改句子中搭配不妥的词语你大概不只一次地看见过从地下淌出的清泉,或者在如茵的绿草旁边冒着的流水巴阿? 快同志们求解啊,答全就采啊! 3.题4题都要.要有算式 没做请答 英语翻译 能做的都做了吧, 泰勒公式,R x.= r' x.= r'' x.=...=r (n) x.=0是怎么来的, 怎样做答 第7题这咋做快速结答 求A pink的hush中文音译歌词 HEARTS AND BONES怎么样 ___,she talks a lot about her favorite film stars after school A.A girl as she is shyB,Shy girl as she isC.A shy girl as is sheD.Shy as she is a girl