Which series of letters illustrates the structure of a da capo aria?

The _____________ of the Augustus of Primaporta alludes to the descent of the Julians from Venus

A. cupid B. cuirass C. youthful appearance D. pose

Which sound has approximately the same decibel level as a large orchestra at full volume?

a) a jackhammer b) a rock concert c) a noisy kitchen d) ordinary conversation, from 3 feet away