1+x1+x^2n

超市防盗扣工作原理? be engaged in doing这里的in可以省略吗? ada是什么意思 假如你的同学把一块外包装没有QS标志的巧克力给你吃你应该怎样委婉拒绝?速求急 为什么部分安琪酵母包装上没有QS标志? 陈述句的语序.the children played games int there room quietly yesterday与.the children played games int there room yesterday quietly有什么区别 engage in在这句话里怎么翻啊啊?They engage in bargaining to work out wages and conditions of work.engage in在这句话里怎么翻译 They engage in bargaining to work out wages and conditions of work.engage in在这句话里怎么翻译 ada德语什么意思 如何委婉表达"委婉",^_^ 陈述语序是什么意思? 这句话什么意思,想表达什么,今天是她生日. 跻身第三轮比赛英语怎么说? 请把case review翻译成中文, 怎么告诉别人我生日 good是名词吗 句型转换1.He can do dishes.改一般疑问句2.You can rub your horns against that trss.就画线部分提问.从rub开始是划线部分 春天,小草发芽了. No teachers and no students 后面谓语动词用单数还复数?理由呢? no students后面谓语用单数还是复数同上,就是后面动词怎么加,be动词,行为动词,在一般现在时当中 Xiao Wang looks pale.she ____illcan be must be should be has to be我觉得can be和should be都可以用啊 为什么呢 出淤泥而不染,濯清莲而不妖是什么意思 超市防盗磁扣有毒吗?今天不小心被超市用的那种放在化妆品上的磁扣里面的钉子扎到手了,还流了血,以前听说这种东西是有毒的,千万不能被扎到,所以很担心~ 怎样解开超市防盗扣? 关于succeed/ success in doing sth.Beijing has already succeeded in hosting the 2008 Olympic Games.It is famous for its success in helping homeless people return to a normal life.两个句子都是表达成功做某事为什么一个用动词succeed succeed in doing = （ ）（ ）be successful 后面要+in doing 的吧...我要的是（ ）（ ）+ do 的 a good many 等于a great many 是否相同? a good/great many可与a large many替换吗? in your head succeed in doing sth等于什么 金属探测器测铁和测金能分辨出来吗 The bull rub his horns against that tree.rub可以用过去式吗