Mary Dexter is a student. She is from the USA. She studies in a middle school. Mary is good at all the school subjects. Her favorite subject is science. Though Mary is only 13 years old, she begins to think about her future (未来). After she finishes high school, she wants to study at a big college (大学) in San Diego. That's her favorite city.
Mary wants to study marine biology. That is to say, she will learn about all the animals in the sea. And San Diego is a great place to study marine biology because it is near the sea, and the city has a great Sea World. People can see many sea animals there.
What will she do after she finishes college? "I want to work with sea animals and help them," says Mary.