(结论解释型)
13. it can be inferred from the passage that by “a piano exactly contemporary” (line 30) with the composition of beethoven’s first piano concerto， the author means the kind of piano that was
属于直接事实题
designed to be inaudible to the audience when used by conductors of orchestras.
跨区型错误，用文章其它部分讲的内容来解答定位部分(line 30)的问题，必然错误
incapable of playing the high f-natural that is in the score of beethoven’s original version of the concerto.
是f-sharp，注意细节变化
unavailable to mozart and haydn.
跨区型错误
incapable of playing the high f-sharp that the melody of the concerto calls for.
influential in beethoven’s decision to revise his early compositions.
“无”型选项