题干
Her father decided ________his holidays in Beijing.
A：spend
B：spending
C：to spend
D：spent
答案(点此获取答案解析）
C
Her father decided ________his holidays in Beijing.
A：spend
B：spending
C：to spend
D：spent
记
为它的导函数，若
在
上存在反函数，且
则
的最小值为( )www.www.zxxk.com