1 . 听下面一段较长对话，回答以下小题。
1. Why are all participants dressed in green?

A．To look young and energetic.

B．To match the theme of the campaign.

C．To keep the team easily manageable.

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

A．Planting trees.

B．Designing posters.

C．Collecting garbage.

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

A．Organize the campaign.

B．Stop driving cars.

C．Drive students to do activities.

4. What can George help do?

A．Repair lights.

B．Decorate classrooms.

C．Paint school boards.

2 . 听下面一段较长对话，回答以下小题。
1. What kind of panda sleeps the most?

A．Adult pandas.

B．Sub-adult pandas

C．Baby pandas.

2. How can the birth program help endangered animals?

A．By providing a more natural environment.

B．By finding mates for them.

C．By training their survival skills.

3. What is the main topic of the conversation?

A．Animal protection.

B．Pandas’living habits.

C．Different wild animals.

3 . 听下面一段独白，回答以下小题。
1. What will be replaced by thicker ones?

A．Some plastic cups.

B．Some plastic bags.

C．Some ice cream sticks.

2. Which is covered by the ban?

A．Plastic cups.

B．Water bottles.

C．Bags of snacks.

3. What is the appeal of plastic producers?

A．Putting off the ban.

B．Providing alternatives.

C．Creating job opportunities.

4. What is the concern of many people regarding the ban?

A．Waste of wood.

B．Profits of their businesses.

C．Lack of government support.

4 . 听下面一段独白，回答以下小题。
1. Which of the following is not part of the eco-car?

A．The air tank.

B．The fuel pump.

C．The luggage trunk.

2. Where is the speaker’s interest in the eco-car from?

A．His interest in light fiberglass.

B．His experience at a design fair.

C．His concern about the environment.

3. What’s the eco-car like?

A．It’s quiet and safe.

B．It runs on regular fuel.

C．Its body is made of steel.

5 . 听下面一段独白，回答以下小题。
1. How many people did the group have when it began?

A．Two.

B．Four.

C．Ten.

2. What is the goal of John’s group?

A．To plant trees for materials.

B．To repair damaged forests.

C．To attract more animals.

3. What does “The Knowing Tree” focus on?

A．Educating children.

B．Gathering donations.

C．Attracting more volunteers.

4. What is the main topic of the talk?

A．Traveling for school projects.

B．Protecting the environment.

C．Starting a business.