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谁能给我讲一道高中数学题?已知函数f(x)=ax^2+bx+3a+b为偶函数,其定义域为[a-1,2a],求f(x)的值域 你居然看到啦 考神是谁啊? 第11题, 陈浩瀚翻译成英文 The number of the cows on that farm is ____it was 3 years ago.A.twice that B.twice than C.double than D.double when Sheep manure is not like that of cows...Sheep manure is not like that of cows. It does not have a bad smell. It is like waste produced by rabbits, only there is more of it.问 only there is more of it 的意思?谢谢 a herd of cows指一群母牛吗?不能泛指一群不分性别的母吗?难道牛群是跟据性别归类的?能不能说 a herd of cattle? 如图,1、过P点化直线MN∥AB,2、连接PA、PB,3、过点P画AP、AB的垂线,垂足为C、D 予尝求古仁人之心,或以二者之为中的二者具体指什么,与古人人之心有所不同的原因是 1.一架飞机从每小时630千米的速度经过1.5小时从甲地飞往乙地,回来时速度比原来减少了1/7.从乙地到甲地用了几小时?2.在1：400的学校教学楼平面图上,量得教学楼长20cm,宽8.5cm,求这座大楼的实 已知偶函数在x≥0时,f(x)=x^2+x,求f(-3),f(a-1)(a 一个六位数省略“万”后面的数,所得近似数是100万,那么这个数最小是_,最大是_ 吉他压品弹得时候总有兹兹的声音感觉是琴弦和什么撞到一起的声音, 鳄鱼生存原则是什么意思 世界上身体最长的动物叫什么 世界上什么动物身体最长? 与匪夷所思相近的六字词语 ”用三角板过点P作直线AB的垂线“是不是尺规作图?RT “哭”字怎么弄成字迷? It often ____in wtter in NOrth China.(snow),中间填什么? 为什么语文数学英语是重点 上古神器二找不同为什么只能找1次? 函数y=2^x减1的反函数为?急 函数y=2arccos(x减2)的反函数为?急 寒松赋的译文是翻译不是原文 一道初三英语单选题求解析(A)Do you remember how to go to the nursing room _____ we visited last weekend.A.which B.where C.ticket D.map 解决几个英语问题(改错)!1 watch life World Cup Match on TV(错)-(对）2 show his the newspaper(错)-(对）3 have a breakfast with my mother(错)-(对）4 He had a talk to his best friend(错)-(对)5 What is your ages?I`mthirteen(错)-(对 英语容易题啦!送分咯请把下列句子变成否定句.1．He has a lot of money.2．We have much time to have breakfast.3．Li lei has some interesting story books.4．China has a long history.5．I some good friends.6．I have lunch at scho 一道初三英语单选题-What is your favourite film?-The film ( ) Transformers 2.A.calls B.called C.is calling D.was called重点结识B和D 第四题谢谢咯 初二科学题! 送分咯!5月18日台湾首支获准进入四川灾区的搜救队于当天下午3点就可以搭乘华信航空包机,从桃园机场直飞成都,当晚19时10分左右到达双流国际机场.22名成员在抵达灾区后,立即