问题补充：
Achieving a high degree of proficiency in English as a foreign language is not a mysterious without scientific basis.
A. process
B. practice
C. procedure
D. program
答案：
(答案→)A. process
B. practice
C. procedure
D. program
解析：process(=connected series of actions, or series of operations) 过程：By what process is cloth made form wool?(经过什么过程羊毛织成呢料？)practice(=the doing of something of, performance or repeated exercise, etc.)实习，练习；开业: She is doing her practice at the piano.(她在练习弹钢琴。)procedure(=the regular order of doing things)程序：the usual procedure at a meeting(开会的通常程序)。Program(=plan of what is to be done or list of items or events)课程，计划，大纲：What is the program for tomorrow ?(明天上什么课?)
