1 . 听下面一段较长对话，回答以下小题。
1. By 2020, where should trash sorting happen?

A．In all major cities of China.

B．Only in Zhejiang province.

C．In Ms. Chu’s neighborhood.

2. What is Ms. Chu’s profession?

A．Trash collector.

B．Reporter.

C．Politician.

3. What is one of Mr. Tang’s solutions?

A．Door-to-door training.

B．Free trash cans.

C．Plastic trash bags.

4. How will a trash collector find a bag’s owner?

A．He will call a volunteer.

B．He will see a name on the bag.

C．He will scan the bag with a phone.

2 . 听下面一段较长对话，回答以下小题。
1. What is the aim of the campaign?

A．To remind people of Earth Day.

B．To encourage people to reduce garbage.

C．To warn people of the bad effects of pollution.

2. What will be the task on the second day?

A．Planting trees.

B．Designing posters.

C．Collecting garbage.

3. What does the man expect the teachers to do?

A．Paint paper.

B．Stop driving cars.

C．Decorate classrooms.

4. How does Sara find the man’s ideas?

A．Ridiculous.

B．Confusing.

C．Wonderful.