如图所示，弹簧一端固定在木板上，用小车将弹簧压缩后松手释放，小车被弹开．弹性形变越 ____ ，弹性势能越 ____ ，小车滑行的距离越远．

This is the first time that he           your hometown.

Amy: Hello, Lingling.

Lingling: Hello, Amy.

Amy: How are you?

Lingling: Very well, thank you. And how are you?

Amy: Fine, thanks. Where are you?

Lingling: I'm in Shenzhen with my mother. Where are you?

Amy: I'm at home now. Is Shenzhen beautiful?

Lingling: Yes, it is.

Amy: Is it a big city?

Lingling: Yes, it is. But it was a very small village then.

Amy: I will go to Shenzhen one day.

Lingling: Great!