1 . 听下面一段独白，回答以下小题。
1. What is the speaker talking about?

A．A list of problems the planet faces.

B．Some wavs to solve health problems.

C．Efforts being made to help the planet.

2. How does the speaker feel about the planet's future?

A．Optimistic.

B．Negative.

C．unconcerned.

3. Which does the speaker think is the most important?

A．Sorting the daily garbage.

B．Banning shiny pieces on greetings cards.

C．Raising children's awareness of protecting the earth.

4. What step does the speaker intend to take?

A．Starting recyciing.

B．Buying an electric car.

C．Choosing organic food.