2016初三寒假作业答案

1.---What place is it?----Haven't you seen that we ____back where we _____.A.were,had been B.are,wereC.were,have been D.are,had been2.Could you show me the portable computer you want_____.A.to have it repaired B.to repair itC.to have repaired D.it re 多项式x的m次幂-2 x+(m+n)x+1是三次四项式,切一次项系数是-3,问m和n等于几?已知多项式-1/2ab^m+1+ab-1是一个六次多项式,单项式-2/5x^3ny5-mz的次数与多项式的次数相同,求n 单选难题If your friend says he had more fun than a barrel of monkeys ___ your party,you know that he had a really good time.A.at B.in C.on 在雨中的英语咋说急 英语单选问题-Chinese tennis player Li Na won a championship again!-Yeah,I watched the game and my spirits_____at the game.A.rose.B.calmed.C.turned.D.shook应该选A 为什么呢? 英语问题--单选In order to reduce the increasing preces of vegetables, the toll _____if truck carrying them passes through a toll station.A.has cancelled B. is cancelled C. was cancelled D. had been cancelled正确答 几个英语单选问题1.You could't imagine what difficulty she had setting up her own business.But __________.Now she is quite successful.A.you haven't got that B.don't worry C.she managed somehow D.better late than never2.He hesitated for a minut 若N=3a,M是多项式在计算M+N时误把M+N看成M/N,结果是2a^2-a/3试求m+n a^ 表示什么意思 a代表什么意思 A.M是代表什么意思? 若式子3a+2与1-2a的值相等,则a的值是 我弱了,谁能告诉我2a＋6√（4-2/3a ）这个式子的最值怎么求. 武汉哪有天章纸品的复印纸批发卖?复印纸价格是多少? 若式子2a的2次方-3a+4的值为6,则式子2/3a的2次方-a-1的值为 "琼"是什么意思?帮帮忙 琼字的意思虬的意思 阵的意思 琼是什么意思?为什么要念qiong? 博凌科为无内毒素质粒大量制备试剂盒（离心柱型）组成、储存、稳定性? 一座石英钟,时针长10cm,分针长15cm.时针和分针一昼夜各行多少米 一做石英钟,时钟长10CM,分钟长15CM.时针和分钟一昼夜个行多少米 一座石英钟 分针长3分米 时针长2分米 一昼夜针尖各走多少分米? 一只挂钟的分针长15cm 时针长10cm （题目下面）（1） 经过2小时候,分针的尖端走了多少cm?（2）从12：00到15：00这根时针扫过的面积是多少cm²? 就是他们说CAD里面的扫琼,还有,除了CAD里有扫琼,还有什么软件可以做到扫琼的效果, 琼鼻什么意思 20又2分之1减去5又5分之3与2.7的差,得多少? 一座石英钟,时针长10厘米,分针长15厘米.时针和分针一昼夜各行多少米? cos(A)=0.949是多少度? cos多少度=0.02没有计算器 “琼节,一个美丽的传说”是什么意思? "飞琼"可以解释为"云"吗?还是琼花?在诗歌中代表着什么? "琼‘’字是什么意思