题干
— Can we make this plan a week later?
—No, we can't put off _______ it because the meeting is only two days from now.
A：to make
B：making
C：make
D：made
答案(点此获取答案解析）
A
，
，
，实数
是函数
的一个零点．给出下列四个判断：
；②
；③
；④
．