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
(30)__
A、effective
B、small
C、fatal
D、surprising
7. -The boss wants to talk to you.He seems unhappy with your performance. -Oh,I ___be in trouble.I hope he won't fire me.