1 . 听下面一段较长对话，回答以下小题。
1. What is the relationship between the speakers?

A．Neighbors.

B．Teacher and student.

C．Fellow charity members.

2. Which issue did the man notice over the holidays?

A．People wasted electricity.

B．Many items were thrown away.

C．No used market events were held.

3. What did the man think about doing before?

A．Teaching lessons to families.

B．Building parks in his city.

C．Cleaning public spaces.

4. What does the woman offer to do for the man?

A．Donate some money.

B．Allow him to use her place.

C．Tell others about his event.

2 . 听下面一段独白，回答以下小题。
1. When was World Environment Day established?

A．In 1972.

B．In 1974.

C．In 1987.

2. Where were the first international celebrations of World Environment Day held?

A．In England.

B．In the United States.

C．In Kenya.

3. What was the first theme of World Environment Day?

A．One Earth One Family.

B．Only One Earth.

C．For Life on Earth.

4. What can we learn about World Environment Day?

A．It is celebrated each year on July 5.

B．Tree planting is the main activity.

C．International environmental conventions are signed during it.

4 . 听下面一段较长对话，回答以下小题。
1. What is the woman doing to help the environment?

A．Joining a garden club.

B．Volunteering at a recycling center.

C．Starting a university club.

2. Who is the woman planning to meet with?

A．The university president.

B．Teachers who drive to campus.

C．The public transportation committee.

3. According to the woman, when would more people take the bus?

A．When it was less expensive.

B．When it was more convenient.

C．When it was required.

4. What does the woman believe?

A．Many people care about the environment.

B．The man’s behavior is harmful to the environment.

C．Students don’t know much about the environment.

5 . 听下面一段较长对话，回答以下小题。
1. How often does the man go to the beach?

A．Once a week.

B．Twice a month.

C．Once a month.

2. Why did the man join Heal the Bay?

A．His cousin invited him.

B．His parents influenced him.

C．His friend recommended him.

3. Which program did the man take part in?

A．Adopt-A-Beach.

B．Saturday Warriors.

C．Beach Captains.

4. What does the man say about the members of Heal the Bay?

A．They’re brave.

B．They’re creative.

C．They’re warm-hearted.

6 . 听下面一段独白，回答以下小题。1.

A．It prevents oceans from oil pollution quickly.

B．It effectively improves air quality on airplanes.

C．It treats diseases happening on airplanes quickly.

D．It costs more but can be easily fixed into airplanes.

2.

A．To inspire teenagers to challenge the authorities.

B．To persuade more teens to do good for society.

C．To get more teens involved in scientific competitions.

D．To encourage young people to get interested in science.

3.

A．More than 30% of finalists received awards and prizes.

B．Scientists all over the world competed for grand prizes.

C．Nearly 1000 judges were present at the competition.

D．The prize money was offered by Intel alone.

8 . 听下面一段独白，回答以下小题。
1. When will the team return from Costa Rica?

A．April 6.

B．July 10.

C．July 20.

2. Where will the team go to do the second project?

A．The national parks.

B．The city of San José.

C．The east of Costa Rica.

3. What will the team do in the final project?

A．Plant trees.

B．Feed birds.

C．Train animal