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．

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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

Itseemedincrediblethatpeoplewouldstillwanttoplayfootballduringawar.

Formanypeopletoday,readingisnolongerrelaxation.Tokeepuptheirworktheymustreadletters,reports,tradepublication

LifeintheUniverseManyscientiststodayareconvincedthatlifeexistselsewhereintheuniverse-lifeprobablymuchlike

Themajorityofpeople,aboutnineoutoften,areright-handed.Notuntilrecently,peoplewhowereleft-handedwereconsidered

Themajorityofpeople,aboutnineoutoften,areright-handed.Notuntilrecently,peoplewhowereleft-handedwereconsidered

ExerciseWhetherornotexerciseaddstothelengthoflife,itiscommonexperiencethatacertainamountofregularexerci

TheWorld’sBest-SellingMedicineSinceancienttimes,peopleallovertheworldhaveusedwillowtostoppain.Thewillowt

One-thirdofParentsLackFactsaboutChildDevelopmentOne-thirdofparentsofbabieshaveasurprisinglylowknowledgeof

DungtoDeathFieldsacrossEuropearecontaminatedwithdangerouslevelsoftheantibioticsgiventofarmanimals.Thedrugs,w

Thepresidentproposedthatweshouldbringthemeetingtoaclose.

监察机关通过设立内部专门的监督机构等方式，加强对监察人员执行职务和遵守法律情况的监督，建设________的监察队伍。

古典管理理论主要由三个理论学派构成，即科学管理理论、一般管理理论和行政组织理论。

合同生效后，当事人就质量、价款或者报酬履行地点等内容没有约定或者约定不明确的，可以协议补充，这体现了( )的原则。

分部工程质量验收合格应符合的规定有()。

Whydon’tyoubring______tohisattentionthatyou’retooilltoworkon?

在教学过程中，教师和学生是互为主导的关系。

法治思维是指以法治价值和法治精神为导向，运用法律原则、法律规则、法律方法思考和处理问题的思维模式。下列属于法治思维的基本内容的有

智力测验的初衷及价值——1992年英译汉及详解Intelligenceatbestisanassumptiveconstruct—themeaningofthewordhasneverbeenclear.【F1】There

Whatarethespeakerstalkingabout?

A、June23.B、Lastweek.C、Yes,theyallgothere.D、EveryMondayandFriday.D问题是“二班每隔多久在语音室上听力课”。选项A“6月23日”；选项B“上周”；选项C“是的，他们都去

合同生效后，当事人就质量、价款或者报酬履行地点等内容没有约定或者约定不明确的，可以协议补充，这体现了(　　)的原则。