the abacus was invented （in the sixth century in china） 对括号部分提问

Do you know — In the 6th century.A.who is the abacus invented B.Do you know — In the 6th century.A.who is the abacus invented B.when the abacus is invented C.when was the abacus invented D.when the abacus was invented the abacus was invented （in the sixth century in china） 对括号部分提问 The abacus was invented in the sixth century by the Chinses帮我翻译这个句子.呵呵`. The abacus was The abacus was invented in the sixth century by the chinese写篇作文,初三第九单元的SELF CHECK的那篇,求高手写篇, the abacus was invented in the sixth century in china 划线部分提问划线部分 in sixth century inChina 1.he______(throw) the ball to me,and i caught it2.The population of the city has_______(rise)to five millionThe abacus was invented in the_______(six)century In the past,people used ___ to calculate fast.(abacus) let's get some____(information/message/inven)tionabout tourism on the internet.为什么不能用其他的两个 When were they invented and who invented them?具体看问题.For example :The abacus was invented in the six century by the Chinese.按照这个例句写umbrella binoculars camera bicyle~ 英语作文：Find out when these things wewe invented and then write about whemFind out when these things wewe invented and then write about themThe abacus was invented in the sixth century by the Chinese...续写 A little boy fell into the river and r___there for two minutes,then he was saved by a policemanPaper making was one of the Four Great Inventions in a____ China My father sprinkled lots of salt on the pizza ,so it was s____The abacus was invented in t shows,the,picture,abacus,in,the,number,a把单词连成句子 九年级英语 单词拼写【很简单的1.It was a big m___ to leave my umbrella at home.2.Have you m___ the baby's milk yet?3.A machine is made of m____4.It's used for s___ really cold ice cream.5.Tea abacus was invented in the sixth c___ by the The computer is a useful machine.It is the most important invention in many years.The oldest kind of computer is the abacus(算盘),used in China centuries ago,but the first large,modern computer was built in 1946.A computer then could do maths probl 英语翻译Computer is a useful machine.It is the most important invention in many years.The oldest kind of computer is the abacus used in China centuries ago,but the first large,modern computer was built in 1948.A computer then could do math proble ——what does the girl want to know——what does the girl want to know —— she wonder （ ） A.who was the abacus intented by B.what has happend to her new iPad C.how wonderful is my Apple iPhone5 D.why is there so much rain in spring abacus怎么读 怎么记abacus