A. They want to change the way English is taught. B. They know clearly what they want to learn. C. They want to have an up-to-date knowledge of English. D. They learn English to find well-paid jobs.
A. College students. B. Professionals. C. Beginners. D. Intermediate learners.
A. Courses for businessmen. B. Courses for doctors. Courses for reporters. D. Courses for lawyers.
A. 释放资源 B. 关闭文件 C. 分配资源 D. 关闭数据库