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
2023-07-15
10
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] 【B2】
选项
答案
compound
解析
转载请注明原文地址:https://www.tihaiku.com/zcyy/2839746.html
相关试题推荐
【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
Forthousandsofyears,peoplethoughtofglassassomethingbeautifultolo
Therearealotofgoodcamerasavailableatthe【B1】______.Mostofthesearema
Therearealotofgoodcamerasavailableatthe【B1】______.Mostofthesearema
Therearealotofgoodcamerasavailableatthe【B1】______.Mostofthesearema
Therearealotofgoodcamerasavailableatthe【B1】______.Mostofthesearema
Therearealotofgoodcamerasavailableatthe【B1】______.Mostofthesearema
Therearealotofgoodcamerasavailableatthe【B1】______.Mostofthesearema
随机试题
Allparentspushtheirkidsatleastalittle.Wepressureourkidstobepo
【B1】[br]【B4】A、necessitiesB、realitiesC、probabilitiesD、opportunitiesD语义衔接题。这
大型建筑组合灯具每一单相回路电流不宜超过25A,光源数量不宜超过()个。A.6
以下哪项不是蝉蜕的功效A.疏散风热 B.透疹止痒 C.息风止痉 D.明目退
某患者,因“胎膜早破”入院。检查:头先露,未入盆,其余正常,错误的护理措施是A.
公安机关权力,是指由国家宪法、法律赋予公安机关为履行职责,进行警务活动时依法采取
如果有一天地球上的南极变成了北极,指南针指向北方,鸟类和其他对磁场敏感的动物将怎
患者,女,22岁,因右上第三磨牙颊向高位阻生,要求拔除,需要麻醉的神经是同侧的A
诊断颅底骨折的主要依据是A.颅骨X线平片 B.受伤时着力部位 C.意识障碍
女,5岁,尿少、水肿2天,颜面与下肢非凹陷性水肿,血压130/90mmHg.尿常
最新回复
(
0
)