首页
登录
职称英语
The camera is often thought to be a modem invention. But as early 1727, a Ge
The camera is often thought to be a modem invention. But as early 1727, a Ge
游客
2024-02-16
5
管理
问题
The camera is often thought to be a modem invention. But as early 1727, a German physicist 【B1】______ that light darkens silver salt in a chemical 【B2】______ . Using a camera, a big box with a small hole to let the light in, he made 【B3】______ images on the salt. Silver salt is still the 【B4】______ of film today. Then a French scientist made the first 【B5】______ picture by using a special 【B6】______ of metal sensitized with silver salt. A photography he made in 1826 still 【B7】______ . The painter, Daguerre improved on the process 【B8】______ placing common salt the kind we eat on the metal. This was in 1839, 【B9】______ , but the problem was the printing of photographs, and it wasn’t until other scientists developed the kind of paper we now use, that good printing was possible and photograph become truly modem. In 1860, Matthew Bradey was able to take his famous pictures of the American Civil War, 【B10】______ . In the 20th century, George Eastman of the United States simplified film developing, and Dr. Edwin Land invented the so-called "instant" camera with self developing film. 【B11】______ it has taken more than one hundred years for the camera to reach its present condition of technical refinement. [br] 【B6】
选项
答案
piece
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3456016.html
相关试题推荐
Whathethoughtanddidatschool______(与这个问题毫无关系)。hasnothingtodowiththisp
Noneofus____________(预料到他会出现)attheparty.Wethoughthewasstillinhospi
【B1】[br]【B2】A、heartB、mindC、moodD、thoughtBbearinmind为固定搭配,意为“切记”,相当于keep
Shefeltkeenlythrilled______(一想到要见他).atthethoughtofmeetinghim根据句法分析可知,本句为
Forthousandsofyears,peoplethoughtofglassassomethingbeautifultolo
Therearealotofgoodcamerasavailableatthe【B1】______.Mostofthesearema
Therearealotofgoodcamerasavailableatthe【B1】______.Mostofthesearema
Therearealotofgoodcamerasavailableatthe【B1】______.Mostofthesearema
Therearealotofgoodcamerasavailableatthe【B1】______.Mostofthesearema
Therearealotofgoodcamerasavailableatthe【B1】______.Mostofthesearema
随机试题
ACoolerPlanet[A]Scientistsarecookingupsolutio
Directions:Readthefollowingtext.Cho
IntheUS,peoplepreferwaitingforata
唐朝诗人韩愈的“江作青罗带,山如碧玉簪”的诗句,是桂林山水的最佳写照。
以下经全体独立董事的1/2以上同意后可以行使的特别职权有( )。 Ⅰ.向董事
2017年第一季度成交土地面积:A.不到0.3亿平方米 B.在0.3
人类的四大烦恼,不但“生”“老”“死”没人躲过,就是“病”也无法根除。人类自有“
有人说管理是一种引导,有人说管理是一种服务,你的看法呢?
集体合同中双方约定的劳动报酬和劳动条件等标准可以低于当地人民政府规定的最低标准。
股份有限公司采用收购本公司股票方式减资的,按每股面值和注销股数计算的股票面值总额
最新回复
(
0
)