20.In October 2007,the Chang'e-l satellite was successfully __at Xichang.
A、launched
B、presented
C、regulated
D、engaged
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、pension
B、mission
C、tension
D、revision
41.Which of the following is TRUE?
A、The Romans had more political awareness.
B、The Romans had less political freedom and democracy.
C、The Romans had more freedom to choose their leader.
D、The Romans had fewer people elected into the government.