题干
—I _______ an invitation from Tim, but I don't want to _______ it.
—What's the matter?
A：received; accept
B：accepted; accept
C：accepted; receive
D：received; receive
答案(点此获取答案解析）
A
，正实数
、
、
满足
，若实数
是函数
的一个零点，那么下列四个判断
；②
；③
；④
．其中可能成立的个数为(***)
