54.What does the underlined word“trilogy”in Paragraph 4 mean?
A、A work in three volumes.
B、An imaginative work.
C、A collection of stories.
D、Memoirs of famous people.
I.Phonetics(5 points) Directions:In each of the following groups of words,there are four underlined letters or let-ter combinations marked A,B,C and D.Compare the underlined parts and iden-tdtify the one that is different from the others in pronunciation.Mark your answer by blackening the corresponding letter on the Answer Sheet.