These days it is found that school students hardly have any sports. Is it because they have no 1 in sports? It may not be true. They often say they have 2 more important things to do.

    What are these important things? Exams! They have to 3themselves ready for all kinds of exams and tests in school. So many of them almost4bookworms(书呆子). In the past in the summer holidays, they could do5 they liked, but now they have to 6all their time preparing. So 7 have kept them away from going in for sports.

    Because of the pressure(压力) from 8 parents and teachers, they  9 to work harder and spend most of their time10 books. As for the students themselves, they don't want to11 the lessons because they want to further their studies. So it is necessary to give 12 of their spare time to their studies and 13 up their school sports.

    It's true a good education cannot go without physical training, the14 is true a quick mind hardly goes along with a 15body. Without a strong body, you can never do anything well, how can you make great success in life?

罗马法是留给人类的宝贵遗产。下列司法理念中，明显违背罗马法原则的是(    )

在△ABC中，若∠A=60°，∠B=45°，BC=3 $\sqrt{2}$ ，则AC=（  ）