下列属于程序分析法的方法有（）。
A.工序图法
B.因果分析图法
C.因素分析法论坛
D.纵向对比法
E.横向对比法
参考答案：A, B
_______ is a beautiful country. [ ]
A. Tibet
B. Hong Kong
C. Spain
D. Hawaii
—Listen! Someone is playing the piano.
—Wow! _______ beautiful music! I like it very much. [ ]
A. What
B. How a
C. What a
D. How
