12 - 12B 单元

A car is a type of automobile designed for personal transportation. It is powered by an engine, usually using gasoline or electricity, and typically has four wheels. Cars are commonly used for driving on roads and can carry passengers and sometimes small loads. They come in various shapes and sizes, such as sedans, hatchbacks, and SUVs, with different features like air conditioning, music systems, and safety equipment. Cars are essential for everyday travel, whether for commuting, errands, or long trips.

The dog is a domesticated carnivorous mammal and a close companion of humans, known for its loyalty, affection, and diverse breeds. Dogs are descended from wolves and have been selectively bred for thousands of years for various purposes, such as hunting, guarding, herding, and companionship. They come in many shapes, sizes, and colors, ranging from small toy breeds like Chihuahuas to large working breeds like Great Danes. Dogs have a keen sense of smell, sharp hearing, and excellent vision, which make them well-suited for a variety of tasks, including search and rescue, detection, and service work. Dogs are known for their playful and social nature, forming strong bonds with their human companions and often serving as beloved members of families. They require regular exercise, training, and care to thrive and are known for their unwavering loyalty and unconditional love for their owners.