1. With what topic is the passage primarily concerned? (A) the life and music of Tchaikovsky
(B) development of Tchaikovsky's music for ballets
(C) Tchaikovsky's relationship with Madame Von Meck
(D) the cause of Tchaikovsky's death
2. Tchaikovsky's father was most probably (A) a musician
(B) a supervisor
(C) a composer
(D) a soldier
3. Which of the following is closest in meaning to the word "productivity" in line 5? (A) fertility
(B) affinity
(C) creativity
(D) maturity