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://www.kaotiyun.com/show/OwSC777K

本试题收录于：英语题库成考专升本分类

英语

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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

成考专升本

Mostpeople.Mostofusareright-handedand.

Insteadofresearchingandwritingtheirpapers,somestudents.TheresultsfromtheInternetservice.

Myuncle______fromthecompanybecausehewasmadetoundertakedangerousassignments.

Theoutputofconsumerproductshasincreased______thisyear.

Thatfarmerhasalarge______ofsheeponhisfarm.

Wind,waveandtidesallsufferfromthefactthattheyarevariablesourcesofpoweroutput.Forexample,therewillbetimesw

Thesefarmersgotagoodharvestlastyear,sothey______abigsumofmoneyfornewfarmmachines.

Dr.WilliamC.Stokoe,Jr.,wasthechairmanoftheEnglishDepartmentatGallaudetUniversity.Hesawthewaydeafpeoplecommu

Ihadjustgonetobedafteraveryharddaywhenthephonerang.Itwasaneccentric(怪僻的)farmer.Ihadnevermethimbeforeal

Rodisdeterminedtogetaseatfortheconcert______itmeansstandinginaqueueallnight.

Peopleenjoytalkingabout"firsts."Theyliketoremembertheirfirstloveortheirfirstcar.Butnotallfirstsarehappyon

A．氨茶碱B．氯霉素C．维生素K1D．庆大霉素E．肾上腺皮质激素可影响小儿生长发育的药物是

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建设工程承包制度不包括()。

某公司8月末负债总额100万元,9月份收回外单位所欠货款15万元,用银行存款归还借款10万元,用银行存款预付购货款5万元,则9月末负债总额为()。

根据反垄断法律制度的规定，下列经营者集中达到申报标准，但可以小向国务院反垄断执法机构申报的有()。

孔子提出的教育目标是培养()。

A：Ijustcall’tstandthisclassanymore!B：__________It’srequired，andyouhavetositinitinordertograduate．

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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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Theoutputofconsumerproductshasincreased______thisyear.

Thatfarmerhasalarge______ofsheeponhisfarm.

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Thesefarmersgotagoodharvestlastyear,sothey______abigsumofmoneyfornewfarmmachines.

Dr.WilliamC.Stokoe,Jr.,wasthechairmanoftheEnglishDepartmentatGallaudetUniversity.Hesawthewaydeafpeoplecommu

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在刚性基础设计时，通常要使基础大放脚与基础材料的刚性角一致，其目的是()。

建设工程承包制度不包括()。

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孔子提出的教育目标是培养()。

A：Ijustcall’tstandthisclassanymore!B：__________It’srequired，andyouhavetositinitinordertograduate．

设A＝相似于对角阵．求：(1)a及可逆阵P，使得P－1AP＝A，其中A为对角阵；(2)A100．

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Mostpeople.Mostofusareright-handedand.

Insteadofresearchingandwritingtheirpapers,somestudents.TheresultsfromtheInternetservice.