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求极值和取值范围, 求函数f(x)＝1+3x-x³的极值, 高二一个英语选择题.I was blessed with a happy childhood ,_____ most people would want to have.A oneB thatC whatD when 请帮忙作这套英语试题4七、阅读理解（20分）ADick is seven years old,and his sister is five.One day,their mother takes them to their uncle’s house to play and then she goes to buy something.The children play for an hour(小时),and 请帮忙作这套英语试题3六、完形填空（10分）Mike: Hello, Kate! Do you want 1________ milk?Kate: No, thanks. I don’t like 2___C¬¬¬¬¬¬_________.Mike: Don’t you? I like it very much, and 3____________ good for 请帮忙作这套英语试题2五、连词成句.(10)1.where my is game computer________________________________________(?)2.the is clock his table on________________________________________ (.)3.under it the is chair________________________________ 请帮忙作这套英语试题1三、 单项选择.( )1.---Is this ____ computer?---Yes._____ is _____computer.A.his; It; me B.your; This; his C.you; It; his D.your; It; my( )2.---How do you spell “ring”?---___________.A.R-I-N-G B.A ring C.It’s 三道初中英语单项选择1.It's a cecret between us.Don't tell anybody.Sure,_________.A.I do B.I don't C.I will D.I won't2.I prefer to_____at home rather than_____for a walk.It's raining heavily.A.staying,going out B.stay ,going outC.stay,go out 1、 I was late for the meeting .I ____ the road was so icy.A don't think B hadn't thought C wasn'tthinking D hasn't thought2/ As a student ,you should bear ___in mind that knowledge is power.A it B which C that D /求翻译3/ By 2010 ,water users in 有没有人会做 有没有人会做啊 有没有人可以做? 有没有人可以告诉我该怎么做我觉得自己在爱情方面非常的神经质,就是我会把很多精力放在里面,然后把对方管得很紧,他去哪里,他和谁去吃饭,什么我都要问清楚,最严重的是我疑心很重,我就 英语翻译1:how long does it take the moon to travel once around the earth?A:20hours B:28days C:12months 2:how long does it take the earth to turn once on its axis?A:20hours B:12hours C:6hours 3:why is electrical wiring usually made fro copper?A:be 新目标英语磁带里没有3A,怎么办?不会读就不能背啊...不问别人,几乎都不会读=_= 英语翻译1.父母爱子女是人类的天性(human)2.小偷用刀威胁她,然后抢走了她的手提包(threaten)3.他用一生为人权而战斗(campaign) 新目标英语八年级下38页3a、 已知函数f(x)=aInx+bx的4次方-c（x>0) 在x=1处取得极值-3-c,其中a,b,c为常数1.试确定a,b的值2.讨论函数f(x)的单调区间3.若对任意x>0,不等式f(x)≤-2c²恒成立,求c的取值范围 10 11 12 英语翻译1.他们正在卖书以筹集善款.（raise,charity）_______________________________________________2.你介意把收音机音量调大些吗?我听不清楚.（turn up）_______________________________________________3.看到这些无 一道高中数学函数题目, 第10,请解释,谢谢 英语翻译1 他专心读报,连门铃声也没听见（absorb)2 我希望我的老师能考虑到我生病的事实（fact ,account )3 为了供养一个大家庭无法做到三星期不工作（support ,afford) 函数部分,第十题 英语翻译1.他充满活力地表达了他的想法,给每个在场的人留下深刻印象(with vigour)2.他并不熟悉这两个历史人物,尽管他通晓中国古代史(familiar)3.下一次见到她时,务必要告戒她不要与那些坏小 英语翻译1.经常伴着音乐运动不仅会使我们生活质量更好,而且会使我们工作效率更高,更富有成果(lead to)2.随着经济的发展,在上海可以看到越来越多的医院和其他的医疗保健设施(facility)3.他们 There were many snakes in the f..He j.into the sea suddenly yesterday,Most people are s.of radiation. --Tim will( )the Oral English Contest next week.--Great.( ) a good chance for him to pratise English. A.join in; That's B.join; It's C.take part; That's D.take part in; It's--What is wrong with Marry,Mr Wang?--Sh 新目标英语八年级上册同步听力 《新目标英语八年级下册(课本同步听力 那里有下载 是go for it 初二英语选择,三道空的 三空 初二英语,空的3题题