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

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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

Manypeoplefindhomegardening.Theamountofmoneyyouspendonyourgarden.

I’dliketo______aspecialseatfortheconcertofMay5.

RonaldMusokeisacollegestudentfromUganda.HeattendstheCollegeofMarininCalifornia.Recentlyhegotveryexcitedabou

Allthestudentswenttothemagicshowyesterday.Itwasreally______.

Thefigureofworldilliteracywasobtainedby.Ofallthecontinentsintheworld,seemstohavethesmallestnu

Onmostofthenights.Jane______readinglettersfromherboyfriend.

IneverexpectedJohnto______atthemeeting,becauseIthoughthewasstillinhospital.

Theyworked______thecostoftheholidayanddecidediftheycouldaffordit.

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

Forthispart,youaregiven25minutestowriteonthetopic:AdvantagesandDisadvantagesofFailure.Youshouldwritenoless

标准的汉字机内码在计算机中的表示方法的描述是______。

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

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