Each bead in the central area has a value. In the past, the use of the abacus was taught in all schools. It was considered to be an important skill that everybody needed to pick up. Wherever there was a need for calculations, an abacus would come into sight....
began []"Then, around the 2nd century B. C. Chi- nese...to use the abacuses."及首字母可知,此处指开始使 用,begin to“开始” ,是固定短语,句子为一般过去时,谓语 动词应用过去式。 故填began 78. consider 【】 "Now some researchers... it to be the world's oldest calculator."及首字母...
People useto countthings.2.我们可以通过这种方式学习如何使用算盘。We can learn how to use abacus3.他们不知道食物的数量和动物的数量。They don't knowfood andanimals.4.人们把标记串在细绳上,目的是四处携带方便。People put the tokens on the stringthey couldeasily.5.这发展成为像算盘一样的工具。This...
(3) By writing this passage, the author mainly wanted to ___. A . introduce the abacus to people B . teach people how to use the abacus C . try to make the abacus popular again D . explore why the abacus is no longer popular 【知识点】 社会历史类 知识点解读 记叙文 知识点解...
A good abacus is a pleasure to touch. It should have wooden rods with rows of smooth wooden beads of different colours. Depending on size, there could be five or ten rows, with a ten-row abacus often using the colours of the five-row twice.Chris Heald...
he was also due for a circumcision, I mused.The anaesthetist arrived to check me over, followed by the surgeon, who gave me a cheerful smile. It... - Cutting Edge of Manhood 被引量: 0发表: 1996年 加载更多研究点推荐 Abacus
A.introduce the abacus to people B.teach people how to use the abacus C.try to make the abacus popular again D.explore why the abacus is no longer popular 2022-05-13更新 | 139次组卷 | 2卷引用:2022年江苏省南通市海门区中考一模英语试题 相似题 纠错 收藏 详情 加入试卷 文章大意:本文主要...
First appearing around 1200 A.D. in China, the modern abacus evolved from the counting boards that dated back to Babylonian civilization. Featuring rods of vertical beads split across two decks, the abacus serves as a tool that still finds use in many As
In addition, people who can't use a calculator due to visual impairment may use an abacus. Blind children are often taught to use the abacus to learn math and perform calculations as a substitute for paper and pencil. In austere field environments, rudimentary abaci have been commonly used by...
It requires lots of practice to use the abacus well. In the past the use of the abacus was taught in all schools. It was considered to be an important skill that everybody needed to pick up. Wherever there was a need for calculations, an abacus would come into sight.Today, abacuses ...