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

游客2023-10-19 32

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

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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

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