C Draw and say
答案
1.
It means "Keep quiet". We can find it in the library.
2.
It means "Be careful". We can find it in the construction site (建筑工地).
3. 
It means "No parking". We can find it near the school.
4.
It means "No touching". We can find it in the museum.
5. 
It means "No fishing". We can find it in the park.
6.
It means "No smoking". We can find it in public places.
