InordertobecomeacandidateforthePh.D.degree_____.(A

比较a×7/2=b×4/15=11/12×c ,并且 a、b、c都不等于0,把a、b、c从大到小排列.急用, 按顺序从大到小排列.12分之7、4分之3和2分之3 Could you play when you were five years old?肯定回答是Yes,I could.还是Yes,I can.是哪一个? Could you play the violin when you were five years old 改为同义句.( ) you ( )( )play the violin when you were five years old? 数学题 分别把 01234567 分别放到扩号里 不能重复 ( )+( )=( )+( )=( )+( )=( )+( ) 冬天 朱自清 以冬天为题有什么好处? --__comers are there in your classroom?-There are five A:How often B:How much C:How many 根据音标写英文1.how many______ /b3：dz/ are there in the park 2.there are five------/'ba:skiz/in the class3.there books are not ----/MAIN/ 改错practice play the guitar every day He often practice < >(play) the guitar every day(根据括号内的单词填空） do guitar practice you every the day 排列句子 every day I practice___guitar at home.A:to play the B:to play C:playing D:playing the 若36x^2-2Mxy+49y^2,m=? 有一组数是这样排列的:1,4,7,10,13,16.46,49.（能写算式的最好写.）有一组数是这样排列的:1,4,7,10,13,16.46,49.（1）这组数有什么规律?（2）这组数据一共由几个数组成?（3）这组数所以数的和是多 一组按规律排列的数：1,4,9,16……,其中第7个是49,第N个是（）?N是正整数 把1到49每三个数字排一组 有多少组?要不能重复的.比如1.2.3 和1.3.2属于同样的一组不算.每一组中的数字也不能重复比如1.2.1就不可以 一共有多少组? 是how many box of tomatoes are over there?还是how many boxes of tomatoes? 1.1.2.3.4.5.从中取4张卡片排成一排,可以组成不同的4位奇数的个数为?A180.B126.C93.D60 Do the things that i want to do中to do 可以省略吗? be后面加什么词性?副词,形容词,名词,哪个?be friendly也可以be happy也可以为什么? 1）we want to have a picnic tomorrow,but we don't know if it _____(rain)2)he has learned english for about 8 years 同义it ____about 8 years ____he has learned english .3)kate didn't know( how she should send the e-mail)提问____ ____kate know? 我想加你们团,采纳率到15%了,等级也4级了,可还是进不去. 送分!先到先得!二级及以上 采纳率55以上即可 送分!先到先得!七级及以上 采纳率30%以上即可 You can do some interesting things,like listen to music and watch ball games on TV.上句中,listen和watch有没有需要形式变化?求解please~ we should do something （help）the elderly help要怎么填?是to help 还是for helping Let is have a picnic改为现在进行时怎么写? 这样的世界地图是不是整个地球的平面图?从地图的角度来看,美国是在东边,为什么说是西方国家呢? I don't know if it------tomorrow,but if it-----,I'll go swimming i don't know it还有翻译下,最好解释下里面含有的句子 at the evening party,jenny wore a dress that was more attractive than_____.A other girl's B those of the other girls C the other girls D that of the other girls Don not you want some什么意思 I don"t know it exactly = I don"t know it ________ ________.句型转换I study hard so that i may not fail in the examination.I study hard ________ ________ ________ ________/________ ________ ________ ________fail in the examination.