The telephone was invented by Alexander Graham Bell. He was born in 1847.Mr.Bell worked on the invented of the telephone with Thomas Watson. In 1875,Wr.Bell learned how to send musical notes through an instrument similar to a telephone. Finally,the telephone was invented in1876. The first sentence that was said on thetelephone by Mr.Bellwas“Mr.Watson,comhere；I want to see you.”Today thetelephone is used around the world.
最新问答： wait for sb do sth?还是to do 编一道可化为一元一次方程的分式方程的应用题，并解答．编题要求： There are some bread on the table.这句话中哪错了? 硝酸银溶液为什么要用棕色瓶装? 作文：美丽的＿＿＿要求：1．写一景点我去过的 关于地脚螺栓 选择及重量计算 我要计算一个地脚螺栓的重量 它的竖直长度420mm 入地后有120mm的90度弯角 就是“ I should hzve known not to invite him. where did you last night错在哪 2.4千克：240克化成最简整数比是（）比值是（） 已知向量oa=(2,1),点b的坐标为(1,3),向量oc=向量ab,则点c的 ingnore neglect omit overlook 四者的区别 请举例说明求大神帮助 内环境的化学成分有哪些? 翻译2句话准备一本错题集.准备一本心得集.翻译成英文． 排列组合--很有难度的一道题,将数字1、2、3、...、n （n为正整数）任意排列,组成的n位数中,如果数字k恰好出现在 长城的长度长城总长度 春天的家乡的美景的作文300字 all i could hear were the sounds of bombs exploding,cripplin 哪位大哥哥或大姐姐告诉我这一句英语的意思 There were lots of people . 谁能给我二十个比喻句?急用～如题,最好再十个拟人句～最好短的吧.省得打不够,不购二十句没关系. 100g溶质质量分数为18.25%的稀盐酸与碳酸钙恰好完全反应.求反应后溶液中溶质的质量分数、.
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