题干
—How do you find Qingdao, Mary?
—It’s a beautiful seaside city. I have ________it for my next holiday.
—It’s a beautiful seaside city. I have ________it for my next holiday.
A：decided o
B：tried o
C：taken o
D：carried o
答案(点此获取答案解析）
A
的必要非充分条件；
中，A>B是sinA>sinB的充要条件；
的充分非必要条件；
的充要条件.