题干
—Hello, this is China Eastern Airlines. What can I do for you?
—I’d like to two tickets to Beijing.
—I’d like to two tickets to Beijing.
A：take
B：bring
C：order
D：book
答案(点此获取答案解析）
D
,
，
．
是
的中点，⊙
与点
．点F是⊙
并延长交
的延长线于点
. 则
.