题干
—The house is very big and nice.—— Has it got garden?
A：the
B：a
C：不填
答案(点此获取答案解析）
B
—The house is very big and nice.—— Has it got garden?
A：the
B：a
C：不填
的焦点F作一直线交抛物线于
两点，若线段
的长分别是
，则
等于（ ）
