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题目内容
Though dealers insist that professional art dealers can make money in the art market, even an (i) _____ knowledge is not enough: the art world is so fickle that stock-market prices are (ii) _____ by comparison.
- Blank(i)
- amateur`s
- investor`s
- insider`s
- Blank(ii)
- booming
- erratic
- predictable
insider`s , predictable 显示答案
以上解析由 考满分老师提供。