The word "it" underlined in Paragraph 3 most probably means ______ .
A. Mozart's correspondence
B. the collection of Mozart's music
C. the power that drove Mozart
D. Mozart's life and death
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内在经济是指()。
A. 一个企业在生产规模扩大时由自身内部所引起的产量增加
B. 一个企业在生产规模扩大时由自身内部所引起的产量或收益减少
C. 一个行业的大对其中每个企业带来的产量或收益的增加
D. 整个社会经济的发展给一个企业所带来的产量或收益的增加
We have to filter sensory input into recognizable images because ______ .
A. it's impossible for us to process all the existing visual information
B. what we perceive has to be significant
C. we have to look at a face in complex shadows
D. different cultures emphasize different perceptions
"Mozart's can" underlined in Paragraph 2 refers to ______ .
A. his human feelings can be understood
B. Mozart's music can be analyzed carefully
C. his harmonies, rhythms, etc. can be separated from one another
D. his musical language can be separated from his personality
The theme or topic of this passage is about ______ ．
A. freedom of the mind
B. political science
C. justice and equality
D. natural rights of man
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