1、The word “them” in the phrase “the complexity and effect of his use of them” in Paragraph 4 refers to.（单选题）
A. the range of feelings he explores in his music
B. the complexity and effect of his compositions
C. the materials upon which he composed his music
D. the instruments of the orchestra that perform Mozart
2、What did the aunt mean when she said the narrator had begun “to give himself air”?（单选题）
A. He had recently started doing deep-breathing exercises.
B. His smoking polluted the air around him.
C. He was trying to act sophisticated beyond his years.
D. He was not showing proper grief his father’s illness.
3、The paragraph before this passage most probably deals with ______.（单选题）
A. minor diseases other than colds
B. the recommended treatment of colds
C. a factor that affects susceptibility to colds
D. methods of preventing colds among elderly people
4、All the students of this university have free ______ to the Internet via a broadband connection.（单选题）
5、Doctors keep trying to ______ her of her dependence onthe drug.（单选题）