根据首字母填写单词。

1. Good a______.

2. —H______, Gina. How are you?

    —I'm f______, thank you.

3. —W______ is your name? 

    —My name is Lucy.

4. —What's your l______ name? 

    —Green,

5. —What's your t______ n______? 

    —6636139.

一些大型高压水泵，为了避免启动后打不开闸阀，闸阀应保留一样的开度。