巨钳螳螂

关于2009年12月四级成绩的查询同仁们,2009年12月英语四级的成绩什么时候才能查询啊? 2009年12月四级成绩几号可以查询?在哪查? 语文四年级下册人教版30课我要这一课的分段、段落大意、主要内容、懂的和不懂的!时间一天,最好现在就有! the woman has long hair.(用short hair改为选择疑问句） -----------the woman ______long hair__ __? the,hair,who,long,woman,is,with连词成句 急 why have there been some changes in the celebration of the spring festival in recent years?写长一点儿,表示自己的观点就行. there have been many changes_____in my hometown in the last twenty years.there have been many changes_____in my hometown in the last twenty years.A.happen B.happened C.happening D.to happen 设A是两个整数平方差的集合,即A=m²-n²,m,n∈Z(1)求证：若s,t∈A,则st∈A (2)若s,t属于A,t≠0,那么s/t∈A是否成立?若成立给出证明,若不成立举出反例. who do you think the best man is?还是who do you think is the best man请真懂的人说 Who do you____ was the best actor?A.thinkB.think ofC.think aboutD.think over 改正：1)Did you have watched movie?2)I will you in my office.What do you think you done best?和：1)You should eyes contact.2)Mei Zhou is the most safety city.3)My house is near from this college. 已知S是两个整数平方和的集合,即S=｛X｜X=m平方+n平方,m属于Z,n属于Z｝求证. 若s、t属于S已知S是两个整数平方和的集合,即S=｛X｜X=m平方+n平方,m属于Z,n属于Z｝求证.若s、t属于S,t≠0,则S/T=p平方+Q 设集合A={x|x=m^2+n^2,m,n in Z}即集合A是由所有能够写成两个整数的平方和的整数的集合.求证：若s,t in A ,且t 不等于0 ,则s/t一定是两个有理数的平方和. What is the best title of this passage 什么意思 第5题和第6题怎么做 24+(80+20X)/8=30X 如何计算 第4题 列算式计算 What do you think is the Best Song in the world?说挖! what is the best city in the world 英语谚语问题 How many letters are there in the ;“world”?我问的是内涵不是字面意思? 人教版小学五年级上册第七单元试卷作文范文快 How many letters are there in the worid?There are( ). how many letters are there in the "world" 语文五年级上册第八单元的作文怎么写简单点 在线等~~~~快!单句改错:1.of all the girls,Xiao Li dad 2.Who do you think are thr best actor?3.I came to school without have breakfast4.The coat wasn't enough cheap for me to buy 5.You are young in our class6.Sally is the healthest student in m 4名同学争夺跑步·跳高·跳远三个项目的冠军,共有多少种可能结果? 一班级同学报名运动会,有,跑步,跳高,跳远,跳绳四种,要求每人报且只报两种,无论怎么报都有五人完全相同,该班至少有几人?求解法 4名同学选报跑步跳高跳远三个项目,每人报一项,报名的方法共有 5题这样做对吗? 有一堆围棋子,按 三白二黑 排列,想一想,第41颗是什么颜色? 有意的,原因,原来的用故组词,造句,急 有一堆围棋,按三白两黑排列,想一想,第24颗棋孑是什么颜色?第41颗呢?