40. When was the abacus math first used in China? A. In the Han Dynasty. B. In the Tang Dynasty. C. In the Ming Dynasty. 相关知识点: 试题来源: 解析 A【答案】A【核心短语/词汇】the Han Dynasty 汉朝【翻译】算盘数学最早是在中国哪个朝代开始使用的?【解析】A.汉朝;B.唐朝;C.明朝。根据...
was developed after the Worldwide Developers Conference 之后被开发出来的 根据Soon after, Masako developed "Hinadan" - -- one of Japan's first app games for the elderly.(不久之后, Masako开发 了“Hinadan”, 这是日本第一款面向老年人的应 用程序游戏。 )可知,这款游戏是为老年人开 发的,故选A ...
解答正确答案:C.根据句意可知算盘由中国人6世纪发明,主语abacus和谓语invent是被动关系,且in the sixth century表示过去的时间状语,则本句应用一般过去时的被动语态,即主语+was/were+done,故选择C. 点评本题考查被动语态,根据主谓关系判断语态,再根据时间状语确定时态即可作出选择. ...
--When the abacus ? --In the sixth century . A . was : invented B . were ; invented C . is ; invented D . has ; been invented 扫码下载作业帮拍照答疑一拍即得 答案解析 查看更多优质解析 举报 A 解析看不懂?免费查看同类题视频解析查看解答 特别推荐 二维码 回顶部©2021 作业帮...
These were just small successes for them, but that was how they finally developed confidence. 28.What is the main purpose of the first paragraph? A.To prove the difficulty of math. B.To introduce the topic of the abacus. C.To...
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发明了双筒望远镜. 1827年照了第一张照片的人Joseph Nicephore Niepce发明了照相机. 在19世纪80年代英国人发明了自行车.结果...
百度试题 结果1 题目 20. The abacus(算盘) was invented in the sixth century in China. (对画线部分提问)When andwhere was the abacus invented? 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
The oldest kind of computer is the abacus used in China for many centuries.In the seventeenth century an adding machine was invented but the first largest modern computer was built in 1946.A computer then could do 5000 addition problems in one second.Now computers can work millions of times ...
When was the first newspaper invented? When was the boneshaker invented? When did the ancient Library of Alexandria exist? When did Sequoyah invent the syllabary? When was the first TV invented? When was the catapult invented? When was the wristwatch invented? When was the abacus invented?Expl...
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 ...