limx^2+ax+b/x-1=3,求a,b

一只山雀5天大约能吃800只害虫,照这样计算,一只山雀一个月大约能吃多少只害虫? 1、一只山雀5天大约能吃800只害虫,照这样计算,一只山雀一个月大约能吃多少只害虫?（一个月按30天计算. 求同义词 一只山雀5天大约吃800只害虫.照这样计算,一只山雀9月份大约能吃多少只害虫? Sorry,honey.I'm afraid we are too busy to take aholiday at the present timeCould we take _____two weeks from now?A one B that C it D a one 求高手每个选项都解释下.我认为的话选C的话读起来好读点.但是答案选A. -i'd like to take a week"s holiday.- forget it .We"re too busy>forget it .I’d like to take a week’s holiday.________,we’re too busy.A.Don’t worry B.Don’t mention4.\x05I’d like to take a week’s holiday.________,we’re too busy.A.\x05Don’t worryB.\x05Don’t mention itC.\x05Forget itD.\x05Pardon mewhich one she gets up early and gets to the station at nine o"clock in the morning About what I am going to do this afternoon.这句话的语法结构是什么?怎么翻译 To keep fit,she ______early in the morning.A.does exercise B.does exercises C.does her exercises 中国占地面积最小的城市是那个? 全国面积最大的城市是哪个?面积最小的城市是哪个?是从城区建成的地方算走,面积最大的和最小的 坚守承诺用英语怎么读 坚守英文怎么写 Hollywood Undead的《We Are》 歌词 翻译:"where did you put the paper?和what did it say? My brother was watching TV_I was reading a book.A.if B.while C.until D.however When I was watching TV,my brother did his homework.主句为什么用过去时,而 不用过去进行时? 英语翻译这句是出自一首歌《shot in the dark》.他翻译的是：当苦难没有使你丧命,那么你失去的是什么呢? Interview three of your classmates.Find out what time they do these activities.then give a report to the class.这三句话是在一起的, Tom expects ... three men in the room.A.there beB.there beingC.there to beD.there having been it was thirty years until they were able to reunite 能代替 it was thirty years before they were吗 they were too difficult for me请问for me这个介词短语作状语 是用来修饰系动词were 还是修饰形容词difficult? We've given him just about everything he asked.asked 是被动吗 2011年兔年零点拜年词!求给爷爷奶奶外公外婆 伯伯姑姑 还有一些亲戚的拜年词 注意 不要复制的差的 最好精辟点的 我心目中的好老师征文500~800字,29日要交嗒! 答怎么组词 what are you gonna do this weekend 1959某日某 WHAT ARE YOU GONNA DO SAI FUNG怎么样 写一封英文E-mail 内容如下假设你是Jane,去年,你的同班同学Alice去英国学习,请写一封邮件给Alice.要求表达清晰,内容连贯,不少于55个单词,邮件中包含如下内容：1.告诉Alice你及你班级目前的学习 我要回复一封英文邮件,内容如下：我要回复一封英文邮件：很高兴收到你的来信,谢谢你的照片,我二月份可能不会在成都,我要跟我男朋友回老家过中国的新年!到时候来成都给我打电话.我们 求what you gonna do的lrc歌词歌手是natalie一语惊醒290~谢谢你费这么大的劲 可貌似白费了吧~我要的的好像不是这个诺~END殇 可是我想要lrc歌词 文本歌词我自己也找得到