While working on a case Dr Watson accidentally fell down a 30ft dry wishing well

游客2023-10-19 31

问题 While working on a case Dr Watson accidentally fell down a 30ft dry wishing well. Sherlock Holmes lowered him down a rope.

"Can you climb up?" shouted Holmes. "I’ 11 be out before you know it!" came Watson’s reply.
But the climb wasn’t as easy as Watson had first imagined. Each hour he managed to climb 3ft—but slipped back 2ft. How long did it take Watson to get out?

选项 A、28 hours.
B、20 hours.
C、15 hours.
D、30 hours.

答案 A

解析

转载请注明原文地址:https://www.tihaiku.com/zcyy/3110350.html

相关试题推荐

PASSAGEONE[br]What’sthebenefitfornewsorganizationsworkingwithApple?Ab
Jacksoninsistedonworkingwhilehewassickatthattime.Theitalicizedpart
TonyWilliamswasworkingasacar-park________inLosAngeles.A、laymanB、servant
ByChristmasI________inthisofficefortenyears.A、willworkB、willbeworking
Mygrandfatherhadsustainedabrokenbackwhileworkinginthemines.________,
Hehadnoobjection________changinghisworkinghours.A、toB、inC、ofD、onA他不反对调
Notuntilitwascompletelydark________working.A、hadtheystoppedB、theystoppe
PassageSix[br]Comparedwithvisitingasocialnetworkingsite,whatwouldhap
We______themoneytoyourmoneymarketaccountwithinthreeworkingdays.A、have
JennyisworkingattheCommonwealthGamesandhastowearchinos,aT-shirtand

随机试题

Ratherthanusingcustommachinetoolstobuildearlymodelsofnewparts,F
IntheUS,theredoesnothavetobeany【B1】______reasonforaparty.Often
A. B. C. D.
当网络通信出现拥塞时，路由器发出ICMP（）报文。A.回声请求 B.掩
在下列消毒方法中，不属于预防性消毒的方法是A.饮水加氯消毒 B.食具煮沸消毒
某经济技术开发区拟建一座建筑高度为18m的收音机装配厂房，共3层，每层层
下列关于《马德里协定》的说法错误的是(　　)。A.《马德里协定》只对《巴黎公约》
合理情绪疗法的局限性在于()。单选A.不易操作 B.不适用于偏执的人
（2015年真题）甲、乙、丙公司均为境内未上市居民企业。甲公司分别持有乙、丙公司
下列关于药物毒性反应的描述中，错误的是A.病人肝或肾功能低下 B.病人属于过敏

最新回复(0)

While working on a case Dr Watson accidentally fell down a 30ft dry wishing well

PASSAGEONE[br]What’sthebenefitfornewsorganizationsworkingwithApple?Ab

Jacksoninsistedonworkingwhilehewassickatthattime.Theitalicizedpart

TonyWilliamswasworkingasacar-park________inLosAngeles.A、laymanB、servant

ByChristmasI________inthisofficefortenyears.A、willworkB、willbeworking

Mygrandfatherhadsustainedabrokenbackwhileworkinginthemines.________,

Hehadnoobjection________changinghisworkinghours.A、toB、inC、ofD、onA他不反对调

Notuntilitwascompletelydark________working.A、hadtheystoppedB、theystoppe

PassageSix[br]Comparedwithvisitingasocialnetworkingsite,whatwouldhap

We______themoneytoyourmoneymarketaccountwithinthreeworkingdays.A、have

JennyisworkingattheCommonwealthGamesandhastowearchinos,aT-shirtand

Ratherthanusingcustommachinetoolstobuildearlymodelsofnewparts,F

IntheUS,theredoesnothavetobeany【B1】______reasonforaparty.Often

A. B. C. D.

当网络通信出现拥塞时，路由器发出ICMP（）报文。A.回声请求 B.掩

在下列消毒方法中，不属于预防性消毒的方法是A.饮水加氯消毒 B.食具煮沸消毒

某经济技术开发区拟建一座建筑高度为18m的收音机装配厂房，共3层，每层层

下列关于《马德里协定》的说法错误的是( )。A.《马德里协定》只对《巴黎公约》

合理情绪疗法的局限性在于()。单选A.不易操作 B.不适用于偏执的人

（2015年真题）甲、乙、丙公司均为境内未上市居民企业。甲公司分别持有乙、丙公司

下列关于药物毒性反应的描述中，错误的是A.病人肝或肾功能低下 B.病人属于过敏

下列关于《马德里协定》的说法错误的是(　　)。A.《马德里协定》只对《巴黎公约》