18. When I am confronted with such questions, my mind goes __, and I can hardly remember myown date of birth.
A、 faint
B、blank
C、dark
D、blind
I.Phonetics ( 5 points)Directions:In each of the following groups of words, there are four underlined letters or letter combinations marked A, B, C and D. Compare the underlined parts and iden-tify the one that is different from the others in pronunciation. Mark your answerby blackening the corresponding letter on the Answer Sheet.