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
A、The strips of a special plant. B、Wood or the bark of trees. C、Worn-out cloth and straw. D、Some common chemicals. A
A、The strips of a special plant. B、Wood or the bark of trees. C、Worn-out cloth and straw. D、Some common chemicals. A
admin
2019-05-30
68
问题
The earliest process of making paper was done almost 5 000 years ago in Egypt. (9)In those days, paper was made from strips of a special plant. Modern paper-making began in China about 2 000 years ago. At that time, paper was made from cloth, straw, wood or the bark of trees. Large machines started to be used for making paper near the end of the 16th century. (12)Today, paper-making is a big business. But it’s still possible to make paper by hand, since the steps are the same as using big machines. (10) You should choose paper with small amounts of printing. Old envelopes are good for this reason. Colored paper also can be used, as well as small amounts of newspaper. Small pieces of rags or cloth can be added. They should be cut into pieces about five centimeters by five centimeters. Everything is placed in a container, covered with water and brought to the boil. It is mixed for about two hours with some common chemicals and then allowed to cool. Then it’s left until most of the water dries up. The substance left, called pulp, can be stored until you’re ready to make paper. When you’re ready, the pulp is mixed with water again. (11)Then the pulp is poured into a mold. The mold is made of small squares of wire that hold the shape and thickness of the paper. To help dry the paper, the mold lets the water flow through the small wire squares. After several more drying steps, the paper is carefully lifted back from the mold. It’s now strong enough to be touched.
Questions 9 to 12 are based on the passage you have just heard.
9. Which of the following is used in the earliest paper-making?
10. What is the most ideal material for making paper by hand?
11. What is the purpose of a mold in making paper?
12. What does the passage mainly tell us?
选项
A、The strips of a special plant.
B、Wood or the bark of trees.
C、Worn-out cloth and straw.
D、Some common chemicals.
答案
A
解析
转载请注明原文地址:https://kaotiyun.com/show/aFX7777K
0
大学英语六级
相关试题推荐
Morethanfiftyyearsago,theUnitedNationsdeclaredthatliteracyisabasichumanright.It’sveryimportantfor【B1】______th
A、Collegedegreesdonotcountmuchtothem.B、Theyhavelittleinterestinacademicwork.C、Schoolsdonotdeemitaseriouspr
ThePublicHealthCrisisHidinginOurFood[A]Ifyouhavehighbloodpressure,you’reingoodcompany.Hypertension(高血压)affl
Employersarefarlesslikelytoemploypeoplewithmentalillnessesthanthosewithphysicalailments(疾病),areportshows.The
Occasionalself-medicationhasalwaysbeenpartofnormalliving.Themakingandsellingofdrugshavealonghistoryandarecl
A、Speakingconfidentlybutnotaggressively.B、Talkingloudlytogivealastingimpression.C、Talkingalotaboutthejob.D、Spe
Comparisonsweredrawnbetweenthedevelopmentoftelevisioninthe20thcenturyandthediffusionofprintinginthe15thand1
A、Theyoftengoforwalksataleisurelypace.B、Theyusuallyhaveaspecificpurposeinmind.C、Theyliketheseasidemorethan
MarieCuriewasthefirstfemaleprofessoratSevres,acollegeforgirlswhowantedtoteachhighereducation.Thesetwenty-yea
A、You’llbemoresuccessful.B、You’llliveinpainandregret.C、You’llkeepoptimistic.D、Yourlifewilltakeondeepermeaning
随机试题
法人的机关是指根据法律或者法人章程的规定,对外代表法人对内负责法人事务的个人或集体,是法人目的事业活动的承担者。下列不属于法人机关的是()。
A.无痛性肉眼血尿B.肉眼血尿伴肾绞痛C.初始血尿D.终末血尿伴膀胱刺激征膀胱癌的血尿特点是
表面活性剂有崩解作用,它能增加片剂的何种物质,使水分借助何种途径渗透到片芯起崩解作用。
参与ADCC杀肿瘤细胞的有()。
水流在直径为d的圆管中满流流动时,湿周χ和水力半径R分别是()。
关于不锈钢防腐蚀性能特点的说法,正确的是()。
某空调工程,该工程采用集中式空调系统,风管系统设计工作压力为1600Pa。某工程公司承担了此空调工程的施工任务,在风管的制作与安装施工过程中,其部分具体的施工方法和过程如下:(1)风管穿过需要封闭的防火防爆楼板时,设置了1.2mm厚的钢板防护管。
下列各项中,属于会计处理方法的有()。
给定材料1.2014年1月14日,中共中央总书记、国家主席、中央军委主席习近平在中国共产党第十八届中央纪律检查委员会第三次全体会议上发表重要讲话。他强调,坚持党要管党、从严治党,强化党对党风廉政建设和反腐败工作统一领导,强化反腐败体制机制创新和制度保障,
铺设一条自来水管道,甲队单独铺设8天可以完成,而乙队每天可铺设50米。如果甲、乙两队同时铺设,4天可以完成全长的,这条管道全长是多少米?
最新回复
(
0
)