首页
登录
职称英语
A train travelling at a speed of 75 mph enters a tunnel 2 —miles long. The lengt
A train travelling at a speed of 75 mph enters a tunnel 2 —miles long. The lengt
游客
2023-10-17
73
管理
问题
A train travelling at a speed of 75 mph enters a tunnel 2 —miles long. The length of the train is 1/4 mile. How long does it take for all of the train to pass through the tunnel, from the moment the front enters to the moment the rear emerges?
选项
A、2’12”
B、3’15”
C、2’20”
D、3’30"
答案
A
解析
火车的长度为1/4mile,隧道的长度为5/2miles,火车的速度为75mph,火车的长度加上隧道的长度再除以火车的速度,就可以得出走完这个隧道所用的时间。
转载请注明原文地址:https://www.tihaiku.com/zcyy/3105659.html
相关试题推荐
Atraintravelingataspeedof80mphentersatunnelthatis0.5mileslong.T
Atraintravelingataspeedof80mphentersatunnelthatis0.5mileslong.
Atraintravelingataspeedof80mphentersatunnelthatis0.5mileslong.
要去国外旅行的旅客在入境之前都被要求填写一张入境登记表。(非谓语动词,priorto)Passengerstravellingtoaforeignc
Atraintravelingataspeedof80mphentersatunnelthatis0.5mileslong.Th
Itsaysthattheuniversehasafinite(有限的)area,butnoonetravellingthrough
SupposeyouweretravellingtoSoutheastAsiaonacruiseship.Youhads
SupposeyouweretravellingtoSoutheastAsiaonacruiseship.Youhads
在工作日而不是周末出行,会节省不少费用。(ratherthan)Travellingonweekdaysratherthanweekendswil
许多考场周边的小旅馆价格直逼四级酒店。(surgeto)Pricesatmanysmallhotelsneartestcentershave
随机试题
I’veneverseen______matchbefore.A、suchanexcitingB、soanexcitingC、sucha
Musiccomesinmanyforms;mostcountrieshaveastyleoftheirown.【C1】___
Learningdoesnothappenpassively.Itisanactivitythatapersondoes.It
[originaltext]M:Soyouaregoingtobewritingfortheschoolnewspaper?W:Ye
疏散走道的布置应简明直接,设置尽量避免曲折和袋形走道,并按规定设置疏散指示标志和
()级以上大风、大雾、大雨和大雪天气应暂停在脚手架上作业。A.8 B.7
有的教育保险提供教育金,还提供( )。A.医疗费 B.安家费 C.生育费
下列各项中,不符合内部牵制的要求的是()。A、出纳人员管票据 B、出纳人员
D饭店是一家主要靠银行贷款建设的、以接待年轻“白领”为主的精品商务饭店,拥有15
按照费用构成要素划分的建筑安装工程费,下列属于施工机械使用费的有()。A.
最新回复
(
0
)