1 . 听下面一段独白，回答以下小题。
1. Why does the speaker give the talk?

A．To thank the volunteers in his community.

B．To raise awareness for the elderly.

C．To encourage volunteering.

2. What is the reward for teenagers helping others?

A．Better school performance.

B．Improved personality.

C．Great admiration.

3. Why might some people want a young person to walk their dogs?

A．They are unwell.

B．They want more rest.

C．They are busy with work.

4. Who might need help with technology according to the speaker?

A．A worker in a community.

B．A secondary student.

C．An elderly person.

3 . How can the man find the correct platform?

A．By taking the elevator to the higher level.

B．By going straight ahead.

C．By crossing the bridge.

5 . 听下面一段独白，回答以下小题。
1. How can people use a self-driving car?

A．By calling an operator.

B．By pressing some buttons.

C．By telling the car where to go.

2. where do self-driving cars mainly appear?

A．In Chicago.

B．In California.

C．In Los Angeles.

3. Why did the police order the Google car to stop?

A．It broke the law.

B．It hit another car.

C．It drove too slowly.

4. How far have self-driving cars driven?

A．About 2 million kilometers.

B．About 9 million kilometers.

C．About 19 million kilometers.