2. 专升本
  3. What are some of the problems that Chromium Ⅵ can cause? How much Chromium Ⅵ is a safe amount?

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

admin2009-08-21  107
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
0

英语

成考专升本

相关试题推荐
随机试题
最新回复(0)