题干
—Which season do you like , summer or winter?
—I prefer summer.
A：good
B：well
C：better
D：best
答案(点此获取答案解析）
C
—Which season do you like , summer or winter?
—I prefer summer.
A：good
B：well
C：better
D：best
的两个焦点为
、
，且
，弦AB过点
的周长为 ( )