C、Greek civilization was quite different from Roman civilization.
D、European civilization influenced American civilization greatly.
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.
A、captain
B、obtain
C、contain
D、retain
51.What is this passage mainly about?
A、A World Fair held in Chicago in 1893.
B、The popularity of the American candy bar industry.
C、The candy bar industry during World War I.
D、The spread of the candy bar business to the Midwest.