Nowadays many scientists depend on radiocarbon for dating age-old objects. Radiocarbon is reliable in dating an object back to

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问题 Nowadays many scientists depend on radiocarbon for dating age-old objects.
Radiocarbon is reliable in dating an object back to at least 50,000 years.

选项 A、Right
B、Wrong
C、Not mentioned

答案A

解析答案见文章倒数第二段最后一句：Most scientists agree that this ratio is useful for dating items back to at least 50,000 years．

转载请注明原文地址:https://kaotiyun.com/show/hMQd777K

本试题收录于：职称英语理工类B级题库职称英语分类

职称英语理工类B级

职称英语

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Nowadays many scientists depend on radiocarbon for dating age-old objects. Radiocarbon is reliable in dating an object back to

职称英语理工类B级

职称英语

Itisoutrageousthatthesebuildingsremainemptywhilethousandsofpeoplehavenohomes.

Itwasamazingthattheboywasabletosolvetheproblemsoquickly.

IntheAmericanfamilythehusbandandwifeusuallyshareimportantdecisionmaking.Whenthechildrenareoldenough,theytake

Solvingaproblemcanbebrokendownintoseveralsteps.First,theproblemmustbeidentifiedcorrectly.Psychologistsreferto

HowTwoGreatConflictsHelpedtoChangeEuropeNinetyyearsagoonasunnymorninginNorthernFrance,somethinghappenedt

Lookingtohelptheenvironment?Considerthefollowingsimpleideas.Turnoffelectricaldeviceswhenthey’renotbeinguse

Lookingtohelptheenvironment?Considerthefollowingsimpleideas.Turnoffelectricaldeviceswhenthey’renotbeinguse

SeekHealthandWellness1Whetheryouarebusystudyingorstartingclerkship,itisabsolutelyessentialtomaintainhealthand

DungtodeathFieldsacrossEuropearecontaminatedwithdangerouslevelsoftheantibiotics(抗生素)giventofarmanimals.The

Thechild’sabnormalbehaviorpuzzledthedoctor.

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混凝土立方体试件抗压强度是指按照标准的制作方法制成边长为150mm的立方体试件，在标准养护条件下，养护到()d，按照标准的测定方法测定的抗压强度值。

某施工企业在处理一提前报废的固定资产时，发生净损失3000元，该笔费用的会计处理应是()

商业银行风险管理的目标并不是要完全消除风险，而是将风险控制在可承受范围的基础上，尽量争取收益/风险的有效性。()

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