阿司匹林的片剂在空气中放置一段时间后,会变黄一红棕色,原因是()。
A、脱羧
B、异构化
C、氧化
D、水解
E、水解后,被氧化
参考答案:E
根据句意,用括号内所给单词的适当形式填空。
小题1:People all dress ________ in the best clothes when Chinese New Year comes. (他们)
小题2:What useful ________! I decide to follow them right now. (建议)
小题3:The audience held their _______ as the murderer went closer to the victim. (呼吸)
小题4:Bill and Kate often _______ before, but they are good friends now. (意见相左)
内审首次会议是由审核组长召开的,主要是向受审核方介绍审核目的和审核方法的一次会议。