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
2023-11-14
42
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 tt3at 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] 【C14】
选项
A、naturally
B、carefully
C、chemically
D、physically
答案
C
解析
The industry...making paper的意思是:工厂开始用经过化学处理的木浆造纸。因此正确答案是C。
转载请注明原文地址:https://tihaiku.com/zcyy/3187336.html
相关试题推荐
Whatkindofaplanewasitthatcrashed?[br][originaltext]Washington—A
Whatkindofaplanewasitthatcrashed?[originaltext]Washington—Asights
______intheUnitedStates,St.Louishasnowbecomethe24thlargestcity.A、Be
Internet,a______ofmillionsofcomputerslinkedworldwide,isthelargestsy
Themayorwasaccusedof______.[br][originaltext]CongressinMexicohas
Themayorwasaccusedof______.[originaltext]CongressinMexicohasvoted
I______thebook.Imaywellborrowonefromthelibrary.A、needtohaveboughtB
Youmustremember______thisbooktothelibrarytomorrow.A、havingreturningB、
ThelibraryofcongressinWashington,D.C.which【C1】______thelargestco
ThelibraryofcongressinWashington,D.C.which【C1】______thelargestco
随机试题
[originaltext]OnthefoggynightofJuly25,1956,oneofthegreatseadis
Listentothefollowingpassage.WriteinEnglishashortsummaryof150-200wor
施工单位填写的大型照明灯具承载试验记录应一式()份。A.二 B.三 C.四
某公司副总,刘某,男,35岁,身高170m,体重89kg,血压135/88mmg
根据《建设项目环境保护设计规定》,环保设施与主体工程的关系为( )。A、先后设
下列关于中国金融债券发行的特殊性,说法正确的是()A.发债资金的用途有特别限制
共用题干 AStarIsBorn1TheVLT(VeryLarg
患者,女,40岁。确诊为子宫黏膜下肌瘤,患者常诉头晕乏力,可能的原因是A.担心肿
(2017年真题)甲企业拟引进乙企业的专利技术。经专家评估,该技术能够将甲企业的
某采石厂开采地点距国道大桥16.7m,1987年采矿由村办企业转为乡镇企业,王某
最新回复
(
0
)