【判断题】石油主要是各种烷烃、烯烃、炔烃、芳香烃等的混合物。
【单选题】对于以下程序,Customer对象在第几行变为游离状态?()
【单选题】对于以下程序, Customer 对象在第几行变为持久化状态? Customer customer=new Customer(); customer.setName(\"Tom\"); Session session1=sessionFactory.openSession(); Transaction tx1 = session1.beginTransaction(); //line1 sessi...
【单选题】加工和利用细胞来大量获得细胞核细胞产物,创造新的物种的技术称为:()
【单选题】对于以下程序, Customer 对象在第几行变为持久化状态?(单选) Customer customer=new Customer(); //line1 customer.setName(\”Tom\”); //line2 Session session1=sessionFactory.openSession(); //line3 Transaction tx1 = session1.begin...
【单选题】对于以下程序, Customer对象在第几行变为持久化状态?( B ) Customer customer=new Customer(); customer.setName(\"Tom\"); Session session1=sessionFactory.openSession(); Transaction tx1 = session1.beginTransaction(); //lin...
【单选题】对于以下程序,Customer对象在第几行变为持久化状态? Customer customer=new Customer(); customer.setName(\"Tom\"); Session session1=sessionFactory.openSession(); Transaction tx1 = session1.beginTransaction(); //line1 sessio...
【单选题】对于以下程序,Customer对象在第几行变为游离状态? Customer customer=new Customer(); //line1 customer.setName(\”Tom\”); //line2 Session session1=sessionFactory.openSession(); //line3 Transaction tx1 = session1.beginTransac...
【单选题】对于以下程序, Customer对象在第( )行变为游离状态 Customer customer=new Customer(); //1 customer.setName(\"Tom\"); //2 Session session1=sessionFactory.openSession(); //3 Transaction tx1 = session1.beginTransaction()...