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
It was probably around 3 000 years ago that people first began making things to help them measure the passage of time. Having no
It was probably around 3 000 years ago that people first began making things to help them measure the passage of time. Having no
admin
2012-08-21
37
问题
It was probably around 3 000 years ago that people first began making things to help them measure the passage of time. Having noticed 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, 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 (发 明)other ways to keep track of time. After glass blowing was invented, the hourglass came into use. An hourglass is a glass container for measuring time in which sand moves slowly from the top half to the bottom in exactly one hour. The hourglass is turned over every hour so the sand could flow again.
One of the first clocks with a face and an hour hand was built for a king of France and placed in the tower of his palace. The clock did not show minutes or seconds. Since there were no planes or trains to catch, people were not worried about knowing the exact time. Gradually, clocks began to be popular and unusual. One clock was in the shape of a cart with a horse and driver. One of the wheels was the face of the clock.
Today, scientists have invented clocks that tell the correct time to a split second. Many electric clocks are often made with built-in radios, which can sometimes be set to turn on au-tomatically(自动地). Thus, instead of an alarm (闹铃)ringing in your ear, you can hear soft music playing when it is time to get up. Some clocks will even start the coffee maker!
In the first paragraph, the word "sundial" refers to______.
选项
A、the shadow of the sun
B、the circle on the ground
C、a tool to carry stones
D、a timekeeper
答案
D
解析
本题考查根据上下文推测单词的能力。当太阳从天空划过,树影绕着树随之移动。有人划了一个圆,把一根棍子竖在中央。随着太阳在天空移动,棍子的影子和圆圈相交。通过观察影子落到圆上的哪个标记处,就可以知道是一天中的什么时候了。这些圆圈就叫做“sundial”。从这些信息中我们可以得知,“sundial”应该是记录时间的工具。
转载请注明原文地址:https://kaotiyun.com/show/Pwwd777K
本试题收录于:
公共英语二级笔试题库公共英语(PETS)分类
0
公共英语二级笔试
公共英语(PETS)
相关试题推荐
WhatkindofEnglishschoolsarewementioninghere?PupilsnormallytaketheGCE"0"levelattheageof______.
Howmanypeoplearethereinthewoman’sfamily?
JamesCook______.WhydidJamesCookfailtoseethelandduringhissecondjourney?
Thestorytellsusthattheoldwoman______.WhathappenedtoMs.Whiteaftershewastakenbacktothestore?
BritishColumbiaisthethirdlargestCanadianprovince,bothinareaandpopulation.Itisnearly1.5timesaslargeasTexas,
Whatisthepassagemainlyabout?DuringtheSecondWorldWar,ChurchilltoldtheBritishpeoplethat______.
Theexperimentiswellworth______again.
Whydoesthemanwanttokeepthewindowshut?
Wefoundthatbaratlast.Ididn’thavetoaskagain,forthereitwasinbigredneonlettersoverthewindow—StarBar.There
随机试题
A.相须B.相使C.相畏D.相杀E.相恶黄芪与茯苓配合使用补气利水属于
工程项目投资决策的基础和必要条件是()
()的主要任务是按照县级规划要求,将各类用地指标、规模和布局等落到实处。
装配式预制构件间钢筋连接可采用钢筋套筒灌浆连接形式时,灌浆后()h内不得使构件与灌浆层受到振动、碰撞。
纸制扑克牌
根据会计准则的要求,可能确认的或有负债的项目一般包括()。
下列关于关税的陈述不正确的有()。
在Excel工作表中单元格引用有3种即______、______和______。
中国革命分“两步走”,实质就是“二次革命论”。()
Theworldisonthetopofastaggeringriseinthenumberofoldpeople,andtheywilllivelongerthaneverbefore.【C1】______t
最新回复
(
0
)