首页
登录
职称英语
The library of congress in Washington, D.C., which【C1】______ the largest co
The library of congress in Washington, D.C., which【C1】______ the largest co
游客
2023-11-21
27
管理
问题
The library of congress in Washington, D.C., which【C1】______ the largest collection of books in the world, is fighting a battle against paper deterioration. The【C2】______ of the old books, often yellowed and torn,【C3】______ crumble when they are touched. The main culprit in the battle is the acidic paper that has【C4】______ making books since the nineteenth century.
Air pollution and moisture【C5】______ the problem.【C6】______ , the books that are most【C7】______ destruction are not the oldest books. The paper in books produced【C8】______ the last century was made【C9】______ cotton and linen rags,【C10】______ are naturally low in acid. And the Gutenberg bible,【C11】______ five centuries ago, was made of thin calfskin, and is in【C12】______ good shape. But in the nineteenth century, with widespread literacy bringing a demand for a cheaper and more plentiful【C13】______ of paper, the industry began using 【C14】______ treated wood pulp for making paper.【C15】______ the chemical in these paper that is causing today’s problem. This problem of paper deterioration is one of【C16】______ concern. France, Canada, and Austria are all doing research into the new methods of deacidification. A new technology has been【C17】______ recently, in fact, that allows for mass deacidification of【C18】______ books at the same time. It costs less than microfilming and 【C19】______ preserves books in their original form.【C20】______ there will soon be treatment facilities all over the world to preserve and deacidify library book collections. [br] 【C10】
选项
A、which
B、that
C、those
D、they
答案
A
解析
which引导非限制性定语从句修饰cotton and linen rags,因此正确答案是A。
转载请注明原文地址:https://tihaiku.com/zcyy/3205395.html
相关试题推荐
WhichofthefollowingisproperdescriptionformembersofCongress’attitudet
Itwouldbeverydifficultforalibrarytobewithoutdictionariesandencyclop
TheMainLibraryhasfivefloorsopentothepublic. FOURTHFL
Outdooradvertisingprovidestheadvertiserwiththelargestcolourfuldisplay
______youreturnthosebookstothelibraryimmediately,youwillhavetopaya
_______NewYorkCityisAmerica’slargestcity,itisnotthecapitalofNewYo
Itishardtotrackthebluewhale,theocean’slargestcreature,whichhas
TheNationalGeographicSocietyheadquarters,______inWashington,DC,iswell-
TheNationalGeographicSocietyheadquarters,_________inWashington,D.C,isw
Thecongress,bYatwo-thirdvoteineachhouse,may______anamendmenttotheCo
随机试题
【S1】[br]【S16】A、impressionsB、practicesC、thingsD、experiencesA词义辨析题。impressio
[originaltext]M:Hello,Jane.W:Hi,Peter.Howareyou?It’sbeenalongtime
男性,40岁,面色苍白,鼻出血、皮肤淤点2个月。体检:中度贫血貌,皮肤散在淤点,
涂料防水施工中,下列保护层不适于在立面使用的是()。A.细石混凝土保护层 B
请谈谈新课程标准理念下美术课程评价的意义和方式。
属于中枢性降压药的是A.美托洛尔B.呋塞米C.卡托普利D.氨氯地平E.可乐定
对经营期不同的房地产投资方案进行比选时,应采用的方法是( )。A.等额年值法
全面依法治国,总目标是建设中国特色社会主义法治体系,建设社会主义法治国家。习近平
2014年4月,中国证券监督管理委员会发布了《关于修改《证券发行与承销管理办法》
国家规定的环境敏感区不包括( )。A.饮用水水源保护区 B.封闭及半封闭海域
最新回复
(
0
)