在下列横线上填入适当的话语，使对话完整正确。

Jane : Hello !

Mike :Hello ! May I speak to Ann ?

Jane : 小题1:___________________

Ann : (A few seconds later) Hello !

Mike : Hello ! Ann, this is Mike. Are you free tomorrow?

Ann : 小题2:                 What's up?

Mike: We are going hiking tomorrow.

Ann: Yes, I'd love to. 小题3:__________________

Would you like to join us?

Mike: Let's meet outside Zhongshan Park at 6:30 tomorrow morning

Ann: OK. See you tomorrow.

Mike :小题4:____________________

如图（a）所示的仪器A叫做 （1） ，实验时可以通过观察两管中液面的 （2） 来判断压强的大小。若实验中只提供了如图所示的材料和器材，那么，该实验装置可以探究 水内部压强与 （3）  的关系。如图（b）所示的实验仪器叫做 （4） ，所测量的物体A的体积是 （5） 厘米³。