问题
选择题
I don't like doing the dishes because it's ____ . [ ]
A. interesting
B. boring
C. interested
D. bored
答案
答案：B
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I don't like doing the dishes because it's ____ . [ ]
A. interesting
B. boring
C. interested
D. bored
答案：B
，它是由如下的A酸和B醇生成的一种酯，A酸结构简式为：
则 B醇的分子式为（ ）
