Please name the following photos, preferably with a few explanations. It was shot in the campus photo contest.

1.5 champions (humble foreign teachers), 2. Written language (example is more important than words), 3. Inland island tourists (Australia ~ Switzerland), 4. Gentle knife (the price doesn't matter, just be happy), 5. Global synchronization (see what others say).

I am the title party, which is basically close to your opinion.