首页
登录
职称英语
The word horsepower was first used two hundred years ago. James Watt had made
The word horsepower was first used two hundred years ago. James Watt had made
游客
2023-10-04
24
管理
问题
The word horsepower was first used two hundred years ago. James Watt had made the world’s first widely used (11) . He had no way of telling people exactly how powerful it was, for (12) there were no units for measuring power.
Watt decided to find out how much work one strong horse could do in (13) . He called that unit one horsepower. With this unit he could measure the work his steam engine could do.
He discovered that a horse lift a (14) weight 10 feet in one minute. Because his engine did (15) as much as the horse, Watt called it a ten-horsepower engine.
[br]
The word horsepower was first use two hundred years ago. James Watt had made the world’s first widely used steam engine. He had no way of telling people exactly how powerful it was, for at that time there were no units for measuring power.
Watt decided to find out how much work one strong horse could do in one minute. He called that unit one horsepower. With this unit he could measure the work his steam engine could do.
He discovered that a horse lift a 3300-pound weight 10 feet in one minute. Because his engine did ten times as much as the horse, Watt called it a ten-horsepower engine.
选项
答案
at that time
解析
该题测试听懂时间状语的能力。这里需要填写表示过去时间的介词短语。从上下文中可以判断,这是表示过去时间的短语。因此通过听清发音就可以很容易判断出答案。
转载请注明原文地址:https://tihaiku.com/zcyy/3071165.html
相关试题推荐
Manyyearsagotherewasahugeoilrefineryfire.Flamesshothundredsoffe
Lastmonthmorethanahundredworkerswerekilledinthemine______.A、exploita
Twohundredpeopleweresaidto(kill)______intheearthquake.havebeenkilled
Twohundredpeopleweresaidto(kill)______intheearthquake.havebeenkilled
Forthelasthundredyearstheclimatehasbeengrowingmuchwarmer.Thishas
Thewordhorsepowerwasfirstusedtwohundredyearsago.JamesWatthadmadeth
Thewordhorsepowerwasfirstusedtwohundredyearsago.JamesWatthadmadeth
Thewordhorsepowerwasfirstusedtwohundredyearsago.JamesWatthadmadeth
Lastyear,hundredsofcollegestudentsappliedfortheNewTimesCupEnglishSp
Overfivehundredyearsago,amandesigneda(11)machine.Healsoinvente
随机试题
城市道路排水设施有()。A.雨水口 B.污水口 C.进水口 D.支管
下列关于钢结构用钢材的相关说法中,正确的是()。A.工字钢主要用于承受轴向力的
误差与精密度之间的关系,下列表述正确的是( )。A.误差越大,精密度越高
库水位的变化幅度与各种水位持续的时间对水库塌岸影响甚大。在其他条件相同的情况下,
阻断双侧颈总动脉可使( )。A.股动脉血压升高 B.心率减慢 C.窦神经传
A.病人 B.带菌者 C.鼠 D.猪 E.犬甲型肝炎的主要传染源是
抵押贷款时采取等额本息还款方式的特点为()。A.可节省整体利息支出 B.每
每道题包含一套图形和四个选项,请从四个选项中选出最恰当的一项填在问号处,使图形呈
不入虎穴,焉得虎子 A股市有风险,入市须谨慎 B要想人不知,除非己莫
歌舞娱乐放映游艺场所内的厅、室或房间,建筑面积不大于50m2且经常停留人数不超过
最新回复
(
0
)