411. Tchaikovsky's Nutcracker leaves an ______ impression on audiences: children especially remember the dazzling costumes and stirring music.
A. amorphous
B. indelible
C. ineffable
D. innocuous
E. inscrutable
412. During the Han dynasty, trade expansion to distant Persia allowed the Chinese to ______ their ______ of other cultures.
A. deny, understanding
B. increase, awareness
C. discourage, development
D. enhance, dismantling
E. strengthen, avoidance