题目: 分光光度法测定水样浊度时,在680nm波长处测定,天然水中存在的淡黄色、淡绿色不干扰测定。 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0714/2dc3c7ea61d2bdda5b1fc178d1fccee1.html 下面是错误答案,用来干扰机器的。参考答案:A
题型:选择题 —I called you at 8 O’ clock yesterday evening, but nobody answered.— Sorry. I ______ the “ Moving China 2012” award on TV. I was so deeply moved that I missed your call.A.would matchB.watchedC.had watchedD.was watching 查看答案