文章主要介绍了Alexander Graham Bell于1872 年,他设计了一种冷空气产生装置,将房间的温度降至 21℃,1917年他69 岁,在麦金利手工培训学校毕业班的演讲中预测到了未来人们会用商用飞机、太阳能电池板以及对可再生资源有需求。 (1)题详解: 考查动词词义辨析。句意:他通常会逃到新斯科舍省的农场,但有一年他不得...
百度试题 结果1 题目Alexander Graham Bell invented the telephone. It was a great ___. A. invention B. discovery C. creation D. production 相关知识点: 试题来源: 解析 A。亚历山大·格雷厄姆·贝尔发明了电话,这是一项伟大的发明。反馈 收藏 ...
Alexander Graham Bell Google甚久,都没能找到原文,怀疑是不是他说的。 有谁知道的,可以帮我找找看吗?感谢 答案 的的确确是他说的. 我找到了两个来源,出自于两本他的传记,都记载着是他说的,原文如下: * Leave the beaten track occasionally and dive into the woods. Every time you do so you will...
Alexander Graham Bell Alexander Graham Bell Alexander graham bell Upon the production and reproduction of sound by light Memoir Upon the Formation of a Deaf Variety of the Human Race. IMPROVEMENT IN TELEGRAPHY Discovery and invention Sheep-Breeding Experiments on Beinn Bhreagh ...
The telephone that Alexander Graham Bell made is a great___of last century. A. invent B. invention C. discover D. discovery 相关知识点: 试题来源: 解析 B 辨析两组单词的词性和意思。电话是一个发明,而不是一个发现,所以要排除discovery和discover。在该句中需要名词作表语,不需要动词。反馈 收藏...
A. thediscovery of penicillinB. the importance of penicillin C. thecommon use of penicillin D. thedevelopment of penicillin 免费查看参考答案及解析 题目: Alexander Graham Bell, ___ Scottish inventor, is often associated with the invention of ___ telephone. A. /; ...
1【题目】The name of Alerander Graham Bellstrikes a "bell" as the inventor of the telephone. What most people do not know , however , isthat this great scientist , engineer , inventor , and innovator was amongst the first advocatesof renewable energy as a solution to the decreasing coal ...
Alexander Graham Bell 2024 pdf epub mobi 电子书 图书描述 "This concise biography of Eriksson and history of Viking exploration and discovery presents the most popular current version of events. This new book will be heavily used by report writers and enjoyed by nonfiction readers." School Library...
In 1880, Bell was awarded the FrenchVolta Prize, and with the money, he founded a facility devoted to scientific discovery, the Volta Laboratory inWashington, D.C. Bell invented numerous techniques to help teach speech to the deaf and even worked with well-known author and activistHelen Keller...
Insearchingtoimprovethetelegraph,Bellinventedthefirsttelephone!Para.4-7Whatistheimportanceofhisinvention?Friendswilltalktoeachotherwithoutleavinghome.Whatwashisnewdiscovery?Bychance Thetetrahedronshape.Whywillhealwaysbeknownastheinventorofthetelephone?Becauseitwasaverypopularinventionandthepatentmadethemostmoneyever.1....