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0年
英文
第 3 題
According to the text, what determines the reddish-orange color and bold flavor of black tea?
- A The presence of high concentrations of simple catechins.
- B The immediate heating of leaves after plucking.
- C The transformation of catechins into theaflavins and thearubigins.
- D The floral freshness retained from the original leaf cells.
思路引導 VIP
文中指出,兒茶素在完全氧化後會轉化為茶黃素(theaflavins)和茶紅素(thearubigins),這些化合物賦予了紅茶顏色與濃厚的風味。
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