答案见上D核心短语/词汇:In the 6th century:在六世纪句子译文:— 你知道算盘是什么时候发明的吗?— 在六世纪。解析:此处是一个宾语从句,故必须用陈述语序,而A和C中都是一般疑问句语序,所以首先排除A和C;答语意为“在六世纪”,故判断问句应为过去时态,而B中由is判断是一般现在时,所以排除B;D中由was判...
A. when is the abacus invented B. when the abacus is invented C. when was the abacus invented D. when the abacus was invented 3— Do you know ? — In the 6th century.[ ]A. who is the abacus invented B. when the abacus is inventedC. when was the abacus inventedD. when the ...
For example :The abacus was invented in the six century by the Chinese.按照这个例句写umbrella binoculars camera bicyle~ 扫码下载作业帮搜索答疑一搜即得 答案解析 查看更多优质解析 解答一 举报 The umbrella was invented about 4000 years ago in Assyria,China and Egypt.The binoculars was invented in ...
Who invented cross-country skiing? Who was the first person to have AIDS? Who first explored the Columbia River? Who built the Pyramid of Meidum? Who was the first archaeologist? Who was the first person to discover the planet Mars?
The umbrella was invented about 4000 years ago in Assyria,China and Egypt.The binoculars was invented in 1854 by Ignatio Porro in Italy.The camera was invented in 1827 by Joseph Nicephore Niepce who took the first picture. The bicycle w 翻译结果4复制译文编辑译文朗读译文返回顶部 The abacus ...
The binoculars was invented in 1854 by Ignatio Porro in Italy. The camera was invented in 1827 by Joseph Nicephore Niepce who took the first picture. The bicycle was invented in 1880s in England. 中文意思 大约4000年前埃及人、中国人和欧洲人发明了伞. 在1854年意大利人Ignatio Porro发明了双筒望...
I.语法填空The question of 1.who invented the computer cannot be answered with a single name.Throughout history, many different people have helped in the development of this 2. valuable (value) machine.And many date the first important 3.. invention(invent) to the fourth century BC when the...
Who invented Napier's bone? The Scot,John Napier, invented these strips (originally made from bone) about 400 years ago to help calculate multiplication and division. Who invented abacus? The type of Abacus most commonly used today was invented inChinaaround the 2nd century B.C. However, Abac...
Who was the first person to use the abacus? Who invented calculus? Who invented the first programmable computer? Who invented the decimal system? Who invented the first algorithm and when? Who invented the first microprocessor? Who invented numbers?
1.Don’t t___ the rubbish here and there. 2.The hotel o___ hot water 24 hours. 3.Thomas Edison was a great i___. 4.The abacus was invented in the sixth ___ (世纪) by the Chinese. 5.We all respect Mr. Li because he is very ___(知识渊博的). 点击展开完整题目 查看答案和...