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【单选题】
提取环烯醚萜苷时,为抑制酶的活性、中和有机酸,加入?A.
碳酸钙
B.
碳酸钠
C.
氢氧化钠
D.
碳酸氢钠
E.
氢氧化钾
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【简答题】MICE指的是什么? MICE,即Meetings(会议)、Incentives(奖励旅游)、Conferencing/Conventions(大型企业会议)、Exhibitions/Exposition(活动展览)和(节事活动)的第一个字母大写组成,是会展的英文缩写。会展指会议展览,大型活动等集体性活动的简称。指在一定地域空间许多人聚集在一起形成的定期或不定期、制度或非制度、传递和交流...
【简答题】Complete the sentences with information from the article. 1. Twenty years ago, only a few people had the --- or --- to make fake money. 2. One way to pr counterfeiters from fake mo...
【简答题】Fill in the blanks with the right words or phrases. Change the form where necessary. with an eye to on top of forethought appropriate be based on provocative take the...
【简答题】 dialogues based on the following situation. A floor attendant sees a guest coming out of a lift and comes up to greet him. (For your reference, the attendant asks the guest if he needs any help...
【单选题】問題3では、問題用紙に何もいんさつされていません。この問題は、ぜんたいとしてどんなないようかを聞く問題です。話の前に質問はありません。まず話を聞いてください。それから、質問とせんたくしを聞いて、1から4の中から、最もよいものを一つえらんでください。 1番
A.
１
B.
２
C.
３
D.
４
【简答题】Fill in the blanks with the right words or phrases. Change the form where necessary. with an eye to, on top of, forethought, appropriate, be based on , take the place of , provocative , profes...
【简答题】In one way of thinking, failure is a part of life. In another way, failure may be a way towards success. The often told “ spider story ” is about Robert Bruce, a leader of the Scots (苏格兰人) in the 13th...
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