Autonomous cars, also known as self-driving cars, are vehicles that can travel between locations without a human driver. They use a combination of sensors, cameras, and artificial intelligence to navigate roads and make decisions.

　　These cars have the potential to change transportation forever. They could make driving safer by reducing accidents caused by human error. Additionally, they could improve traffic flow and reduce congestion by driving more efficiently.

　　However, autonomous cars also face challenges. Privacy concerns have been raised about the data collected by these cars. There are also legal and ethical questions about who should be responsible for accidents that occur involving autonomous vehicles.

　　Despite these challenges, many companies are working to develop autonomous technology. Tesla, Google, and Uber are just a few of the companies that are investing heavily in this technology. They believe that autonomous cars will be a part of our future.

　　Questions：

　　1. What are autonomous cars?

　　A. Vehicles that can travel between locations with a human driver.

　　B. Vehicles that can travel between locations without a human driver.

　　C. Vehicles that use sensors, cameras, and artificial intelligence for fun.

　　D. Vehicles that are driven by a computer.

　　2. What could autonomous cars do according to the passage?

　　A. Make driving safer.

　　B. Improve traffic flow.

　　C. Reduce accidents caused by human error.

　　D. All of the above.

　　3. What challenges do autonomous cars face?

　　A. Privacy concerns.

　　B. Legal and ethical questions.

　　C. Data collection.

　　D. All of the above.

　　4. Which of the following is true about autonomous cars?

　　A. They are already widely used.

　　B. They will never be a part of our future.

　　C. Many companies are working to develop their technology.

　　D. They cause more accidents than human-driven cars.

　　5. What does the author believe about autonomous cars?

　　A. They are not safe.

　　B. They will solve all transportation problems.

　　C. They will be a part of our future.

　　D. They are more efficient than human-driven cars.

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