题干
Amy thinks moon cakes are too sweet. She __________ eats them.
A：often
B：always
C：usually
D：seldom
答案(点此获取答案解析）
D
Amy thinks moon cakes are too sweet. She __________ eats them.
A：often
B：always
C：usually
D：seldom
组溶液，不用试剂也能鉴别开来的是