Question

select the appositive or appositive phrase.
though hugely popular today, madame butterfly, the italian opera composed by giacomo puccini, was poorly received at its premiere in 1904.

Explanation:

An appositive or appositive phrase renames or provides additional information about a noun. In the sentence, "the Italian opera composed by Giacomo Puccini" renames "Madame Butterfly", so it is the appositive phrase.

Answer:

the Italian opera composed by Giacomo Puccini