The experts worked very hard to keep up______the latest development in their own fields.

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问题 The experts worked very hard to keep up______the latest development in their own fields.

选项 A、with
B、from
C、on
D、by

答案A

解析

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本试题收录于：英语题库普高专升本分类

英语

普高专升本

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The experts worked very hard to keep up______the latest development in their own fields.

英语

普高专升本

ThepolicefoundthatGeorgehadstillanother______ofincome.

Shetoldherlittlebrother______herhandtightlywhiletheywerecrossingthebusystreet.

Apunctualpersonisinthehabitofdoingathingatthepropertimeandisneverlateinkeepinganappointment.Theunpunctua

Doyoufindgettingupinthemorningsodifficultthatit’spainful?Thismightbecalledlaziness,butDr.Kleitmanhasanew

Bionicsisarecentlydevelopedbranchofscience,whichhastremendouspotentialforimprovingthelifeofmankindinourconte

Experimentshaveshownthatcolors,partlybecauseoftheirphysiologicalassociations,alsohaveadirectpsychologicaleffect.

CharlesSteinmets,attheageoftwenty-seven,wasalreadyfamousasanelectricalgeniusandwasbecomingknownasawarm-h

Somepeoplethinkthatthetimetobeginstudyingaforeignlanguageisinchildhood,andthattheyoungeryouare,theeasieri

Thinkofsuccessaswater.Inthecourseofprogress,itflows.Waterbreaksrockandreshapesland.Successsimilarlychangest

Tomanypeoplewholivehereandtothemillionswhovisiteachyear,SanFranciscoisajewelofAmericancitiesforitsbeauty

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