1 . 听下面一段独白，回答以下小题。
1. Where do Indonesians put their garbage?

A．In the official garbage bags.

B．In the public garbage cans.

C．In the front of their houses.

2. What colored cans do Germans put metals?

A．Blue.

B．Yellow.

C．Gray.

3. What do we know about the garbage bags in Korea?

A．They are provided by the government for free.

B．Their price depends on the type of waste.

C．Different districts have different official garbage bags.

2 . What are the speakers talking about?

A．Apartment building.

B．Plastic trash.

C．Environmental protection.