题干
--John, I’ve got my dream job.
--Congratulations! But I want to remind you that you should play better if you really want to
_______ a good impression ______ the employer.
--Congratulations! But I want to remind you that you should play better if you really want to
_______ a good impression ______ the employer.
A：leave ; to
B：make; to
C：leave; with
D：make; o
答案(点此获取答案解析）
D
”是“sin α＝1”的充要条件；
4的展开式中的常数项为2；
－p.其中所有正确命题的序号是( )．