已知关于x的不等式组

the little girl can't decide which skirt she will buy(改为简单句) what are you doing now?啥意思? I can't decide____ A.to buy which one B.which one to buy C.to buy which D.which to buy one为什么这么选? I can't decide _________.A what to buy B which to buy i can't decide which skirt to wear to the party .---i haver no idea,-------A too B either C none D also顺便解析下,空格在末尾 在十个房间里,有九个房间开着灯,一个房间关着灯如果每次同时拨动四个房间的开关,能不能将全部的灯关上 what are you 必有重谢 数学题:宾馆有10间客房的灯开着,每次同时拨动4个房间的开关,能不能把这10个房间的灯全部关闭?如果能,至少宾馆现在10间客房的灯开着,每次同时拨动4个房间的开关,能不能把这10个房间的灯 what+are+you+doing是什么意思 They wait for us outside the station.请问,这里如果用outside of the station有错吗?区别用法在哪里. 直线(2m^2-5m+2)x+(m^2-4)y+5m=0的倾斜角为π/4,则m的值是 《二十年后回故乡》的一篇作文.急.要自己写的、、、要自己写的,要写农村的,不要什么我现在已经变成了大科学家了啊什么的.最好描写北方滴! 求一篇名为“二十年后回故乡”的作文 Peter looks like his dad.同义句 Peter looks like his dad同义句 幸福宾馆现有10间客房的灯,是亮着的,每次同时拨动四个开头,能不能把这十间客房的灯全部关闭?如果能,SOS! 描写眼睛的动作、头的动作、时间过得很慢的四字词语. The train is waiting at the railway station. 7年级上册英语歌歌词Good morning Good morning!How are you?I'm fine ,thanks.How rae you?I'm OK.请问歌名叫什么 六级复合式听写要打草稿吗是直接在答题纸上写还是先在试卷上打草稿再誊写到答题纸好呢? how are you i am fine thanks miss 六级听力复合式听写该怎么做啊?那三个句子我总是写不完.烦恼死了. 四年级150字作文150字的啊 Mary is a ( ) student. A.well B.fine C.good D./ She is ___to her students.A well B fine C good D OK选啥,为什么么选这个 眼睛 四字词语要有3个这样的词 Our English teacher is very thin.(改为一般疑问句） Is theOur English teacher is very thin.(改为一般疑问句）Is the old man from Canads?(作否定回答）What do you do?(doctor)(用括号中的词回答前面的问句） 参加了2010年六级考试. 听力选择：答对17个 单词答对6个 复合式听写句子.写出一句不到 快速阅读对了 今年第一次考六级,听力选择14个对,复合式听写对8个单词,句子算一个半吧,快速阅读对9个,仔细阅读对五个对2个,深度阅读十个对5个,弯形填空20个对9个.翻译算1个把,作文写的还可以.不知能得 用十个字母组成一个单词仅用键盘上第一排字母,即Q,W,E,R,T,Y,U,I,O,P这十个字母组成一个十个字母的单词 泰姬陵是谁下令建的? 某钟表的分针长10cm.从1时到2时,分针针尖走过了多少厘米?接着上面的还有一题：从1时到2时,分针扫过的面积是多少平方厘米?某钟表的分针长10cm.