题干
一 Her job is to look after the baby.
一 You mean she's a baby-sitter?
A：take care of
B：wake up
C：make fun of
答案(点此获取答案解析）
A
一 Her job is to look after the baby.
一 You mean she's a baby-sitter?
A：take care of
B：wake up
C：make fun of
的绝对值等于（ ）
，则双曲线
的离心率
的取值范围是（ ）
