题干
--I can't find John .Where did you meet him this morning?
-- It was in the hotel _____ he stayed．
-- It was in the hotel _____ he stayed．
A：why
B：where
C：which
D：What
答案(点此获取答案解析）
B
若关于
的函数
有8个不同的零点， 则实数
的取值范围是（ ）