首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
Today, I’ll be talking about the invention of the camera and photography. The camera is often thought to be a modem invention. B
Today, I’ll be talking about the invention of the camera and photography. The camera is often thought to be a modem invention. B
admin
2010-04-12
82
问题
Today, I’ll be talking about the invention of the camera and photography. The camera is often thought to be a modem invention. But as early as 1727, a German physicist【B1】______that light darkened silver salt, a chemical【B2】______. Using as a cameras a big box with a small hole to let the light in, he made【B3】______images on the salt. Silver salt is still the base of film today. Then a French scientist made the first【B4】______ picture by using a special piece of metal【B5】______with silver salt.
A photography he made in 1826 still exists. The painter Dagera【B6】______on the process by placing common salt, the kind we eat, on the metal This was in 1839, the【B7】______date of the beginning of photography. But the problem was the【B8】______of the photographs, And【B9】______ In 1860’s, Matthew Brady was able to take his famous pictures of the American Civil War, thus making portrait poses very popular. In the 20th century, George Eastman of the United States and Edwards Land,【B10】______. If we say that the photography came into existence in 1839, it follows that【B11】______.
【B5】
选项
答案
sensitized
解析
转载请注明原文地址:https://kaotiyun.com/show/TVj7777K
0
大学英语四级
相关试题推荐
A、Healreadyknowshowtoplay.B、Hedoesn’tliketoplaygames.C、Hedoesn’thaveapartner.D、Hedoesn’thaveenoughfreetime
A、Apostoffice.B、Adepartmentstore.C、Abookstore.D、Adrugstore.C
MoreandmoreAmericansarereadingtheirowncreditreport.Creditreportsare【B1】______bylenderstodecidehowrriskyitwo
Time,asweknowit,isaveryrecentinvention.Themodemtime-senseishardlyolderthantheUnitedStates.Itisaby-produc
A、Better.B、Sick.C、Fine.D、Tired.C
Themodernageisanageofelectricity.Peoplearesousedtoelectriclights,radios,televisions,andtelephonesthatitish
Changesinthewaypeoplelivebringaboutchangesinthejobsthattheydo.Moreandmorepeopleliveintownsandcitiesinste
Thepartoftheenvironmentalmovementthatdrawsmyfirm’sattentionisthedesignofcities,buildingsandproducts.Whenwed
____________(他五十多岁),buthelooksyoungerthanhisage.
随机试题
Wehaven’tenoughtimeforstudy,______relaxation.
最早在中国传播和研究马克思主义的先驱是()
当某一恒定刺激持续作用于感受器时,其传入神经纤维的动作电位频率会逐渐下降的现象,称为感受器的
急性阑尾炎术前病情观察下列错误的是()
在对国家基本养老计划的财政补贴中,哪项是国家的间接支付()
未经权利人许可和授权,他人不得使用,这体现了专利权的()特性。
2×17年1月,某事业单位启动一项科研项目。当年收到上级主管部门拨付的非财政专项资金1000万元,为该项目发生事业支出960万元。2×17年12月,项目结项,经上级主管部门批准,该项目的结余资金留归事业单位使用。假定不考虑其他因素,年末,该事业单位应转入“
下列关于浮点数的说法中,正确的是()。
下列人员中,不适用假释的有()。
TheEnglishlanguageexistsinaconditionofeverlastingdanger,itsAmericanbranchmostparticularly,assaultedasitisfrom
最新回复
(
0
)