Chinahasdevelopedrapidlysincetheopening-up是什么意思

They were at school ( )10:25.填什么介词?stand( )a line ,please they played football ( )Friday afternoon.Please pick ( ) the pen on the ground ( ) me 以上都是填介词 where were they____(介词）? who invented the aeroplane?when were they born?最好用英语回答 35、39、48、22、27、41用英文咋拼? 用适当的方法解下列方程 好心人帮忙2x平方-4x+1=0（配方法） x平方+2x-1=0（配方法） x平方+3x-4=0 2x平方+1=3x 快、急!七年级下册数学课本第90页第2、5题答案多少? 用公式法解下列方程,X^2-2X-1=0(3X-1)(X+2)=11X-42X^2+5X-3=0P(P-8)=166X^2-13X-5=025(X-2)^2-9=0公式：X=-B+-根号B^2-4AC除以2A 谁有七年级下册几何证明题及答案不是让你上题 x平方+2x=-4 x平方-3x-10=0 七年级下册所有几何题目,要全面的,要图形.至少数量要抄软皮本的五张.人教版的数学。要有答案的，无答案的不收。每题答案放在每题的下面，选择题少一点，问答题的过程写详细，就算豁 x平方+12x=45 x平方+10x-1575=0 i was born in winter,this is an important reason why i like winter 这句语法对吗? i feel like seeing a film this evening.这里的this evening是什么时间状语吗? 急would you like to have dinner with me this evening?怎么回答A.yes,thanks B.I‘d like to C.sorryI‘d like to 前面要不要有yes呢 Because I have a very impo.e you this evening,( )I'd like to.Because I have a very important meeting to attend,I can't to come to see you this evening,( )I'd like to.A.much so B.as much C.so much D.much aswhy? 改错 1.A(What) B(season) do C(you) like best?D(Winter).2.A He B teaches C I English D this term. 用适用方法解下列方程x（2x-1）=3（1-2x） （x-3）（x+7）=-9 x平方-3x-10=0 （2y+1）平方-8（2y+1）+15=0 oracle存储过程 循环判断插入 现在一个表中查出：1\x05type1\x051\x05111\x0522\x05type1\x051\x05112\x0523\x05type1\x052\x05111\x0524\x05type1\x052\x05112\x0525\x05type1\x053\x05111\x0526\x05type1\x053\x05112\x0527\x05type2\x051\x05111\ Our classroom is big and bring.What about______(they)?这个应该填什么?说明一下原因,打错了个字母，不是bring是bright， Our classroom is in this building.What about them?这句话中错在哪里,怎么改?为什么? what do you think about the whole world is our classroom 400-500字,4分钟左右对话什么都不限只要语法别错误太多就行 Our teachers are very k( )to us.K是开头字母…… 若3x-1表示不小于4的偶数,则x满足的条件是--- 求函数y=2tan(3π+π/3)的定义域、域值、并指出他的周期、奇偶性和单调性 函数y=2tan(x-派/3)的定义域为? 求函数y=2tan(3x-π/4)+1的定义域 Our classroom is big and clean.对“big and clean”进行划线提问. 英语：1、our classroom is nice and big.(改为一般疑问句并做肯定回答).2、I am a new student at NO/1 middle school.(改为一般疑问句并做否定回答）3、those student are in grade 7.( in grade 7.划线.）【对划线部分提 Our classroom is a big o_____.里面填什么? 求函数y=（2x+π/3）的定义域,周期和单调区间 判断题：1.不相交的两条直线叫平行线.（ ）2.两个连续奇数的积不一定是合数.（ ）填空题：快慢两列火车相向而行,快车的车身长50米,慢车的车身长80米,快车的速度是慢车的2倍.如果坐在慢 若不等式m（x-2）＞x+1和3x-5＜0是同解不等式,求m的值