What are some of the problems that Chromium Ⅵ can cause? How much Chromium Ⅵ is a safe amount?

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问题 What are some of the problems that Chromium Ⅵ can cause?
How much Chromium Ⅵ is a safe amount?

选项 A、No safe level.
B、6 %.
C、It is safe.
D、No one knows.

答案A

解析见原文倒数第三段。科学家们发现没有气体中铬的安全排放量标准。

转载请注明原文地址:https://kaotiyun.com/show/OwSC777K

本试题收录于：英语题库成考专升本分类

英语

成考专升本

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What are some of the problems that Chromium Ⅵ can cause? How much Chromium Ⅵ is a safe amount?

英语

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WhendidFather’sDayofficiallybegintohavenationalpopularity?WhatwasthefirstreactionoftheBritishpublictowardsF

Theyhavecooperatedsowellthattheydecideto______theiragreementforanotherfiveyears.

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Onetypeofpersonthatiscommonineverycountryistheonewho.Bothofthesetypesofpeopleareusuallythei

Napsterisacomputersoftwarecompanythatletsuserscopymusic.Overfiftymillionpeoplehaveenjoyedthecopyrightedmusic

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导致慢性阻塞性肺疾病(C0PD)最重要的危险因素是

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A、阿卡波糖B、二甲双胍C、岁格列酮D、西格列汀E、格歹吡嗪属于促胰岛素分泌剂的是

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马拉松全程距离为_______千米。

所谓的及时复习，应该是指()

1/16,2/13,2/5,8/7,( )

Insteadofresearchingandwritingtheirpapers,somestudents.Outof300paperscheckedforfakes,.

Before1914femalesecretarieswererarebecausethey.Thewriterbelievesthatbeforelong.

Onetypeofpersonthatiscommonineverycountryistheonewho.Bothofthesetypesofpeopleareusuallythei

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