With the help of the glasses,people now can have a virtual tour of the museums around the world while sitting at home.
A、smart
B、neat
C、mobile
D、old
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 identify the one that is different from the others in pronunciation. Mark your answer by blackening the corresponding letter on the Answer Sheet.1.( )