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
2024-06-26
13
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 the work his steam engine could do. He【B5】______ that a horse could lift a 3,300-pound weight 10 feet into the 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] 【B5】
选项
答案
discovered
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3650737.html
相关试题推荐
Workingathomeinyournightclotheswhilesavinghundredsofdollarsmayso
Workingathomeinyournightclotheswhilesavinghundredsofdollarsmayso
Workingathomeinyournightclotheswhilesavinghundredsofdollarsmayso
Thewordhorsepowerwasfirstusedtwohundredyearsago.JamesWatthadmad
Thewordhorsepowerwasfirstusedtwohundredyearsago.JamesWatthadmad
Thewordhorsepowerwasfirstusedtwohundredyearsago.JamesWatthadmad
Thewordhorsepowerwasfirstusedtwohundredyearsago.JamesWatthadmad
Thewordhorsepowerwasfirstusedtwohundredyearsago.JamesWatthadmad
Thewordhorsepowerwasfirstusedtwohundredyearsago.JamesWatthadmad
Thewordhorsepowerwasfirstusedtwohundredyearsago.JamesWatthadmad
随机试题
TheCloningTechnologyI.Thedifferencebetweena【T1】______colonyand【T1】___
Whatcanweinferaboutthecompany?[br][originaltext]W:Aftertheexpansion
Therewassomuch______intherecentsenatorialcampaignthatvoterstunedout,
GlobalLanguageI.WHAT?Learnedandspokeninternationally【T1】______:【
抑制叶酸合成代谢的药物是()。A.顺铂 B.阿糖胞苷 C.甲氨蝶呤 D.
A.头肩抬高15~30度 B.去枕平卧位 C.头低足高位 D.半卧位 E
由于凶手的残忍和狠毒,村民们面对公安人员的调查都(),生怕给自己酿下大祸。
在理财方案跟踪和定期评估方面,下列表述错误的是( )。A.如果客户正处于事业黄
患者,女,26岁。1周来右上后牙持续胀痛,并引起右侧头痛。检查时,见右侧后牙无龋
(2016年真题)甲公司适用的企业所得税税率为25%,2014年12月
最新回复
(
0
)