Butterfly joke

1. A little boy recited a poem (Xiao Chun): In the spring morning, I woke up briskly, and birds were singing everywhere. How many mosquitoes are killed by slapping at night?

2. Student: Are there any sleepers to XX?

Conductor: No more.

Student: What about the hard seat?

Conductor: No more.

Student: Are there any standing tickets?

Conductor: Yes, but we don't sell student tickets.

Student: Why?

Conductor: The Ministry of Railways says that students are not allowed to go home standing this year. ...