质数是什么

数轴上有AB两点,这两点分别在原点o的两侧,或同时与原点重合,若A对应的有理数是非正数,则B对应的数是?A、非正数 B、零和正数 C、正数 D、负数 they lived in a flat__the shop选填about,above.on ,to He likes to work in the evenings and at weekends.(对画线部分提问)in the evenings and at weekends.为画线部分.（ ）（ ）he( )to work? 划线“（）”部分提问 He likes to work (in the evenings and at weekends) 甲乙两个工程队共同铺设一条管道,计划案2:3分配给甲乙两队,两队从两端同时开工可同时完成铺设任务,实际两队同时开工时,甲队的效率提高了20%,当甲队完成了自己的任务时,乙队还未完成自 He does to work (in the evening).(对括号部分提问） He______go to work at weekendsA.doesn't need B.don't need to C.neddn't to doesn't need to Tell him not to taik in class any more Can you tell me how I can solve the problem quickly(改为同义句）Can you tell me ____ ____ _____the problem quickly 想要知道翻译成英语 你知道我是有多想你吗!.英文怎么翻译 给我说几个英文歌英语如何说 我说英语时,总是出现一些错误.用英文怎么说 Could you please tell me ____?A.how I can solve the problem B.how I could solve the problem我知道选B,不清楚为什么.还有一道：I'm waiting for my daughter.the train ____she is traveling must be late.A.which B.that C.on which D.in that不 圣诞礼物短文加题目,（最好有答案）快!今天就要! 英语求教求教orz （1）当a为何值时,关于x的方程2÷（x-2）+ax÷x的平方-4=3÷(x+2)会产生增根?（2）关于x的方程（3-2x）÷（x-3)+(2+mx）÷（3-x)= --1无解,求m的值 答案好的话给200分如图,等腰直角三角形ABC中,AB=BC=8cm,动点P从A点出发,沿AB向B移动,通过点P引平行于BC、AC的直线分别与AC、BC交于R、Q,问：P从A出发移动多少厘米时,平行四边形PQCR的面积等于16平 我要初二上期数学题40道,难度中偏上,要带详细答案的.谢谢.满意的话加10分.谢谢啦~ 每天上线只为了等一个人跟我说话 用英文要怎么说谢谢大家帮忙了 《万万没想到》里说的“碧池”是什么意思? 仁爱英语下册单词表及有关仁爱英语下册 万万没想到的end是什么意思 请问[万万没想到]是什么东西,简单概括下. 我万万没想到我真没想到和我今生最爱的两个男人,却都闹成这样,反目成仇,他们是真爱我吗?难道真像人们说的,不能做情侣就做不了朋友吗? 莎士比亚的爸爸是什么工作呀 the quee's last visit was in may,( )she opened the new hospitala when b while c as d until是选哪一个呢,为什么? The Queen's last visit was in May,when she opened the new hospital这的When是副词还是介词?为什么? 11.The queen will visit the town in May ,________ she will open the new hospital.________ she will open the new hospital.A.when B.then C.while D.but I Mrs.Green last Saturday.She was in hospital.用met还是visited 孔子,沙士比亚,曹雪芹,老子谁先出生 They （）in Guangzhou sine 2000 A.live B.had lived C.have lived D.were living