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
Clocks through Time It took human being a long time to invent diverse ways for telling time. About 3000 years ago people fir
Clocks through Time It took human being a long time to invent diverse ways for telling time. About 3000 years ago people fir
admin
2010-04-28
70
问题
Clocks through Time
It took human being a long time to invent diverse ways for telling time. About
3000 years ago people first made a circle with a stick in tile center of it to【1】 【1】______
______ the passage of time by noticing various marks on the circle the shadow of
the stick fell across.
Since these kinds of circles that are called【2】______ did not work without 【2】______
the sun, men had to find other ways to keep track of time, including a【3】______ 【3】______
candle on which each stripe took about one hour to melt, a water clock which had a
line with a number beside it for every hour and an【4】______ which followed tile 【4】______
invention of glass blowing.
The first clock with a face and an hour hand was invented about 600 years ago
for few people. With the gradually【5】______ use of clocks, they were beautiful- 【5】______
ly【6】______, though they could not keep correct time. Scarcely had clocks been 【6】______
made small enough to be carried when watches came into use.
As the beginning of the style of "grandfather clocks, which were enclosed in
tall wooden boxes, the【7】______ clock was made in 165【7】In 1700, there were 【7】______
clocks with minute and second hands. About 200 years later, a clock is commonly
used in every house and a watch is almost used by every【8】______ gentleman. 【8】______
A newly created clock that shows the time exactly is so- called【9】______ 【9】______
clock. Nowadays such a clock has more and more complicated functions.
【10】______ as clocks and watches are, time means different things to differ- 【10】______
ent nations.
【9】
Clocks through Time
It was probably around 3,000 years ago that people first began making things to help them measure the passage of time. Having observed that shadows move around trees as the sun moves across the sky, someone drew a circle and put a stick in the center. As the sun passed overhead, he marked even divisions on the circle as the shadow of the stick crossed it. Then people could tell which part of the day it was by noticing which mark on the circle the shadow fell across. These circles were called "sundials." Later, they were made of stone and metal to last longer.
Of course, a sundial did not work at night or on cloudy days. So men kept inventing other ways to keep track of time. One invention was a striped candle. Each stripe took the same amount of time to melt. If each stripe melted in about an hour, about three hours would have passed when three stripes melted. A water clock was another way to tell time. A container had a line with a number beside it for every hour. It also had a tiny hole in the bottom. The container was filled with water that dripped through the hole. When the water level reached the first line, people knew that an hour had passed. Each time the water level fell to ’another line, one inure hour had passed. Candles and water clocks helped people know how much time had gone by. But candies had to be remade, and water clocks had to be refilled. So, after glass blowing was invented, the hourglass came into use. Glass bulbs were joined by a narrow tunnel of glass, and fine, dry sand was placed in the top bulb. The hourglass was easy to use, but it had to be turned over every hour so the sand could flow again.
It was about 600 years ago that the first clock with a face and an hour hand was made. One of the first such clocks was built for a king of France and placed in a tower of the royal palace. The clock did not show minutes or seconds . Usually it did not even show the correct hour! Since there were no planes or trains to catch, however, people were not concerned about knowing the exact time. Gradually, clocks began to be popular. They still did not keep correct time, but they were unusual, and they could be beautifully decorated. One clock was in the shape of a cart with a horse and driver. One of the wheels was the face of the clock. Watches came into use as soon as clocks were made small enough to be carried. These did not always tell the correct time, either. They were often put into beautiful watchcases, which were made to look like anything the owner wanted.
The pendulum clock was invented in 1657. This was the beginning of the style of clocks we call "grandfather clocks," which were enclosed in tall wooden boxes. Pendulum clocks showed the hours more exactly than earlier clocks, since the weight on the pendulum could be moved up or down to make the clock go faster or slower. About forty years later, minute and second lands were put on some clocks. Grandfather clocks are very much in demand again today. They are usually very expensive, however, and require more space than other styles of clocks. As people began to go to more places and do more things, they were more interest in knowing the correct time. By 1900, almost every house had a clock, and nearly every well-dressed gentleman wore a watch on a chain tucked iii his vest pocket.
Today, of course, we have electric clocks that keep giving the right time until they are unplugged or the electricity goes off. Scientists have invented clocks that look like large machines and tell the correct time to a split second. The moat modern corporate clocks for home use do not have faces or hands. These clocks are called digital clocks, and they tell the time with a set of numerals which appear in a little window. The seconds are counted off like the tenths of a mile on the odometer of a ear. Many electric clocks are combined with radios, which can sometimes be set to turn on automatically. Thus, instead of an alarm ringing in your ear in the morning, you can hem’ soft music playing when it is time to get up. Some clocks will even start the coffee maker!
Although clocks and watches play, an important part in people’s lives in industrialized countries, time is still regarded in very different ways in different parts of the world, in the next selection, we will talk about attitudes toward time in different cultures.
选项
答案
digital/electric。
解析
转载请注明原文地址:https://kaotiyun.com/show/dNqO777K
0
专业英语八级
相关试题推荐
如果全职妈妈所做的每项工作都能得到报偿的话,年薪应当高达134,121美元,和美国顶级广告执行官的薪金差不多。
A、Notmanypeoplereadhisworks,eventhoughheisgreat.B、Heconsidershimselfagreatwriter,butothersdon’t.C、Heisagr
Psychologistshavemanytheoriestoexplainhowwerememberinformation.The【C1】______isthatmemoryworksasakindofstorage
That’sgotridofherthen.ThatstudentwedeportedafewweeksbeforeherMathsA-levelshasbeenflownbacktoMauritius—that
“新北京,新奥运”表达了我们在新世纪里,由一个既有古老文化传统又具有现代化魅力的城市来举办一届伟大的奥运会的愿望。我们申办的三个主题为绿色奥运、科技奥运和人文奥运。我们的目标是在我们的人民,尤其是在4亿青少年中传播奥林匹克理想。届时,我们将与国际奥委会、各
isawayinwhichthemeaningofawordcanbedissectedintomeaningcomponentscalledsemanticfeatures.
Ifpolicymakershopetomakefasterprogressinimprovingeconomicperformance,reducingpoverty,andslowing 【M1】______
Inafewweeksorsothewreckerswillcome.Theywillteardownthetwovenerablebrickandbrownstonemansionsthathavestoo
ItisdifficultforanagencyasoldasJ.WalterThompson,whichwillmm140nextyear,torecordsomefirstsatsovenerablea
ItisdifficultforanagencyasoldasJ.WalterThompson,whichwillmm140nextyear,torecordsomefirstsatsovenerablea
随机试题
在超音速火焰喷涂过程中,喷涂焰流长度虽大,但在直径上收缩小,使喷涂焰流能量大而集中。()
A.面浮足肿B.腹胀如鼓C.咳嗽痰少D.面色萎黄脾肺气虚证可见
下述有关阑尾假黏液瘤的说法中哪一项是错误的
不是氨基酸脱羧基作用生成的胺类物质是
扩张静脉,降低前负荷扩张动、静脉,降低前、后负荷
某运输公司运输一批货物出境,收取全程运费100万元,含保险费6000元,出境时付给境外承运公司50万元,该运输公司应纳营业税为( )。
在垄断资本主义阶段占统治地位的资本是()。
已知点(-5,y1),(1,y2),(10,y3)在函数y=(x-2)2+c的图象上,则y1,y2,y3的大小关系是()。
WhichofthefollowingstatementsisTRUEaboutMissGreen’suniversitydays?
Entertheinformationage.Informationistherawmaterialformanyofthebusinessactivities【C1】______thisnewera,justasir
最新回复
(
0
)