上林湖之绿阅读答案

The clerk looked up at John and was just shaking her head.Something inside of John was touched by the boy’s voice.He wanted to get those roses so badly.John had been blessed in his business,and he looked at the clerk and silently mouthed that he would pay for the boy’s roses.
ordered his own flowers and had the clerk be sure that delivery would include a note telling his mother how much he loved her.As he drove away from the shop,he was feeling very good.He caught a light about two blocks3 from the shop.As he waited at the light,he saw the young boy walking down the sidewalk.He watched him cross the street and enter a park through two huge gates.Suddenly,he realized it wasn’t a park.It was a cemetery4.He could see the young man turn in there by the gate and walk along the fence.

2．第①段描写的上林湖之绿有哪些特点？这段描写在文中有何作用？（6分）
答：