A. overuse face masks B. deal with the mask problem seriously C. rub their faces and noses in the subway D. protest against the

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问题 A. overuse face masks
B. deal with the mask problem seriously
C. rub their faces and noses in the subway
D. protest against the mask guidelines
E. help protect people from being attacked by a flu
F. announce the results of their mask research
The public will not know the answer about masks until scientists ______.

选项

答案F

解析

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职称英语理工类B级

职称英语

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A. overuse face masks B. deal with the mask problem seriously C. rub their faces and noses in the subway D. protest against the

职称英语理工类B级

职称英语

IdiscussedwithmyintimatefriendswhetherIwouldimmediatelyhaveababy.

OnlyinFebruaryshouldattentionbepaidtochildren’soralhealth.OralproblemsinchildrencandevelopIntomoreseverepro

ExerciseWhetherornotexerciseaddstothelengthoflife,itiscommonexperiencethatacertainamountofregularexerci

Single-parentKidsDoBestSinglemumsarebetteratraisingtheirkidsthantwoparents—atleastinthebirdworld.Mother

FDAhasapprovedtheplanofusingHIVtocurecancerinhumans.HIVcanbesafelyusedtocurecanceronlyifthedeadlygenes

DungtodeathFieldsacrossEuropearecontaminatedwithdangerouslevelsoftheantibiotics(抗生素)giventofarmanimals.T

CaffeineCaffeineisprobablythemostwidelyuseddrugintheworld.Humanshavebeenconsumingcaffeineforhundredsofyea

Theoldconcernsloseimportanceandsomeofthemvanishaltogether;

EconomicReforminChinaMoreUSsinologistshaveexpressedconfidenceinChina’seconomicreformandtheprospectsforChina’s

Thetravelerswerereadytoenjoythespectaculartidalwaveswhensuddenlyathickfogcameupandobscuredthewholescene.

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《公路工程国内招标文件范本》规定，索赔事件发生后的()天内，承包人应向监理工程师提交索赔意向通知。

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因材施教就是根据教材的特点进行教学。()

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(2018年第9题)近代中国半殖民地半封建社会的主要矛盾，呈现出错综复杂的状况。其中，贯穿整个中国半殖民地半封建社会的始终，并对中国近代社会的发展变化起着决定性作用的最主要的矛盾是

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凯恩斯认为，投机动机形成的投机需求与利率(　　)。