A-A+
According to the passage all the following ar
问题详情
According to the passage, all the following are easier to synthesize EXCEPT ______.
A．aromatic ingredient in vanilla
B．vanilla
C．aromatic ingredient in wild cherry
D．the flavor of fresh coffee
参考答案
正确答案：D
解析：细节题型。本题可用排除法。见第二段第一句：Some natural fragrances are easily synthesized； these include vanillin，the aromatic ingredient in vanilla，and benzaldehyde，the aromatic ingredient in wild cherries．选项A、B、C的内容均被提及，因此除外的选项只有D，所以D为答案。(本题答案也可用下一题的推断法推出)
