如图，抛物线y=-x的平方+2x+c与x交于a，b两点，它的

不怕挫折的成语 关于挫折的成语 安徽小学学籍号数字代表什么意思 keep move to the end怎么翻译? 我如何翻译Please allow up to 24 hours to process your request to be processed. rosetta stone english的英式英语注册英式英语,从1级到3级的每一单元只有1.2课能用,3,4课是被“锁”了.怎么注册啊?哪位大哥大姐有注册码啊?还有我想问问学完这三级是什么水平? I‘m listening to the music（一般疑问句,肯定以及否定回答） 告诉我括号里的数 求括号里的数. 34=()×()括号里天几?告诉数! 如果你是数学达人,英语达人或者智慧达人,please come in!一、English questionsJenny was in such a hurry this morning that she left her room with the ligh____.A、open B、on C、off D、closed这句话是说jenny早上离开房间太 只要括号( )里的数 sometimes,when i say.i'm okay.i hope you to hold me tight and say.baby,i know you are not. 是i don't have any chace还是I don't have any chances I don't have any 和 I have not any有什么不同吗?I have not any 就是I haven't any阿，有没有这种说法？ 买长途汽车票和坐长途汽车需要身份证么? 独一无二的英语单词怎么拼? 唯一的英语单词是什么呢?是代表一个人是另一人的唯一.唯一怎么写? 独一无二的 一个英语单词怎么说?Alone有这个意思吗 唯一的英语单词怎么写 一句英语翻译~~经济文的~~~急Jensen (2002) uses an index of state capture by local elites on data from 18 transition economies to reveal that state capture has a negative impact on foreign investment, measured as a share of GDP. 英语翻译A marginal amount of a particular variable is the increment in that variable induced by a change in another variable on which it depends这句该怎么翻译? 虚心竹有低头叶,傲骨梅无仰面花 虚心竹有低头叶 傲骨梅无仰面花 what brought it about?是什么意思,语法对吗 虚心竹有低头叶. 傲骨梅无仰面花全诗;-) 虚心竹有低头叶傲骨梅无仰面花意义 虚心竹有低头叶 傲骨梅无仰面花解释gygyuk 【강기현】帮忙翻译下,人名来的~^^ 英语翻译韩国最新专辑的歌手名字 怎么翻译啊 유현 这是个韩国名字谁能帮我翻译正中文, 请大家帮忙翻译一下김현민