首页
登录
职称英语
The word horsepower was first used two hundred years ago. James Watt had mad
The word horsepower was first used two hundred years ago. James Watt had mad
游客
2023-10-02
44
管理
问题
The word horsepower was first used two hundred years ago. James Watt had made the world’ s first【B1】used steam engine. He had no way of telling people【B2】how powerful it was, for at that time there were no units for measuring power. Watt decided to【B3】how much work one【B4】horse could do in one minute. He called that unit one horsepower. With this unit he could measure die work his steam engine could do. He【B5】that a horse could lift a 3,300-pound weight 10 feet into me air in one minute. His engine could lift a 3, 300-pound weight 100 feet in one minute. Because his engine did ten times as much work as the horse, Watt called it a ten horsepower engine. [br] 【B2】
选项
答案
exactly
解析
exactly意为“确切地”。
转载请注明原文地址:http://tihaiku.com/zcyy/3066137.html
相关试题推荐
Overfivehundredyearsago,amandesigneda【B1】______machine.Healsoinve
Overfivehundredyearsago,amandesigneda【B1】______machine.Healsoinve
Thewordhorsepowerwasfirstusedtwohundredyearsago.JamesWatthadmad
Thewordhorsepowerwasfirstusedtwohundredyearsago.JamesWatthadmad
Thewordhorsepowerwasfirstusedtwohundredyearsago.JamesWatthadmad
Thewordhorsepowerwasfirstusedtwohundredyearsago.JamesWatthadmad
Thewordhorsepowerwasfirstusedtwohundredyearsago.JamesWatthadmad
Thewordhorsepowerwasfirstusedtwohundredyearsago.JamesWatthadmad
Thewordhorsepowerwasfirstusedtwohundredyearsago.JamesWatthadmad
Thewordhorsepowerwasfirstusedtwohundredyearsago.JamesWatthadmad
随机试题
Ironically,theintellectualtoolscurrentlybeingusedbythepoliticalrig
BaruchSpinozawasaDutchphilosopherandreligiousthinkerwhowasbornon
下列()开向建筑内的门应采用乙级防火门。A.消防控制室 B.固定灭火系
重力大小为W的物块能在倾斜角为α的粗糙斜面上下滑,为了维持物块在斜面上平衡,在物
下图提示心脏的病变为 A.左心室肥大 B.房性期前收缩 C.交界性期前收缩
共用题干 MadScientistStereotypeOutdated
非阿片受体激动药是A:吗啡 B:哌替啶 C:可待因 D:罗通定 E:美沙
李先生,30岁,触电后在心肺复苏过程中,由心电图发现患者有心室颤动,应采取的措施
《伤寒论》中应用的药物约有A.76味 B.86味 C.96味 D.106味
自动喷水灭火系统中,同时具有湿式系统和干式系统特点的灭火系统为()。A.自动喷
最新回复
(
0
)