从所给出的单词中选出合适的完成对话。

happy   Can  name  fly  afternoon

Kitty: Good afternoon, Peter.

Peter: Good ____, Kitty.

Kitty: This is my sister. Her ____ is Sally.

Peter: ____ she ride a bike?

Kitty: No, she can't. But she can ____ a kite.

Peter: Oh, it is good. We can play together.

Kitty: You are right. We can be ____.

电视剧《闯关东》中的场景：“为了避免所种的庄稼遭受霜冻危害，在深秋的夜晚全家人在田间地头点燃了柴草……”结合大气受热过程示意图，回答燃烧柴草防御霜冻的做法有利于（    ）