下列哪项不属于目前使用较为广泛的网络教育信息资源的组织方式()
A.主页方式
B.文件方式
C.数据库方式
D.主题树方式
参考答案:D
常见的液力变扭器主要由泵轮、蜗轮和()的导轮三个元件组成。
The ______ Method at one time was called Classical Method since it was first used in the teaching of the classical languages of Latin and Greek.