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【单选题】
咖啡碱、茶碱、可可碱都是类衍生物，是食品中重要的生物碱类苦味物质。A.
嘧啶
B.
嘌呤
C.
喋呤
D.
吡啶
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反馈参考答案：
举一反三
【简答题】,青春作伴好还乡。(杜甫《闻官军收河南河北》)
【简答题】We allow a trade discount (折扣) of 30% and a further special discount of 5% on orders received before April 30th. Under pressure of rising costs we shall not find it possible to extend these favorable ...
【简答题】__________ he was an old customer, the boss allowed 5% discount off the prices of the goods. A) Gave B) To give that C) Given that D) Giving that
【单选题】航空货运单Notnegotiable的意义是()
A.
航空业务权不可转让
B.
AWB是不可转让的文件
C.
AWB上航程不可改变
D.
AWB不可以在运输始发国以外销售
【简答题】5%
discount
【简答题】From English into Chinese (5%) Discount means that sellers offer buyers a certain percentage of reduction on the original price. When competition in the market is fierce, discount will help to improve...
【简答题】苏州市教育局官方网站的网站负责人是_______。
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