3 . 听下面一段较长对话，回答以下小题。
1. What time will the speakers arrive at the dam tomorrow?

A．At 10:00 am.

B．At 8:00 am.

C．At 7:50 am.

2. Where will the speakers stay at night?

A．In a youth hotel.

B．In a house by the dam.

C．In a tent.

3. What will the speakers do on the second day?

A．Visit a school.

B．Visit a research center.

C．Visit a company.

4. Why will the speakers take this two-day trip?

A．To go camping.

B．To complete a task.

C．To enjoy the landscape.

6 . 听下面一段较长对话，回答以下小题。
1. What is the woman going to do this Saturday?

A．Go on a business trip.

B．Attend a party.

C．Work overtime

2. Who does the man advise the woman to ask for help?

A．Her neighbors.

B．The kids’ teacher.

C．The kids’ grandparents.

3. What does the man say about nannies (保姆) here?

A．They are common.

B．They have no certificate.

C．They’re more for full-time care.

7 . 听下面一段较长对话，回答以下小题。
1. What was Clara’s worst travel experience?

A．Losing her way in Paris.

B．Losing her passport abroad.

C．Waiting forages in a cafe.

2. How did Clara solve the problem at last?

A．Calling the police.

B．Asking her friends for help.

C．Asking the embassy for help.

9 . 听下面一段较长对话，回答以下小题。
1. When did the woman lose Harley?

A．Two years ago.

B．Three years ago.

C．Four years ago.

2. What played a key role in helping the woman reunite with Harley?

A．Jennifer’s phone number.

B．Harley’s microchip ID.

C．The woman’s old address.

3. How did the woman know it was her dog?

A．She saw its picture.

B．Her daughter confirmed it.

C．A volunteer described its features to her.

4. Which means of transportation did the woman take to Arizona?

A．The plane.

B．The train.

C．The car.

10 . 听下面一段独白，回答以下小题。
1. Who started the competition?

A．A company.

B．A teacher.

C．A student.

2. What are the participants invited to do?

A．Organize a program.

B．Write an essay.

C．Plant a garden.

3. What will the winning school receive beside some money?

A．A lot of computers.

B．A hybrid school bus.

C．Some beautiful lights.

4. What is the advantage of hybrid school bus over the ordinary one?

A．It is much safer.

B．It runs much faster.

C．It is more environmentally.