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【单选题】
食品中的酸度,可分为( )、滴定酸度 、有效酸度 (pH) 和挥发酸。A.
不挥发酸
B.
有机酸
C.
无机酸
D.
总酸度
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反馈参考答案：
举一反三
【简答题】请详细列出海洋石油981平台参数。
【简答题】美国社会学家赖特·米尔斯是()的主要代表人物之一。
【单选题】When a new movement in art attains a certain fashion, it is advisable to find out what its advocates are aiming at, for, however farfetched and unreasonable their principles may seem today, it is poss...
A.
a survey of new approaches to art
B.
a review of Futurist poetry
C.
about the merits of Futurist poetry
D.
about laws and requirements of literature
【简答题】Stu dents these days often _1____ (having) a lot of wo rries. Sometimes they _2____(have) problems with schoolwork, and sometimes with 3_____ (they) f r i ends. What can they 4____(doing) about this? ...
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