In the digital era, it is very important not to( )personal information on the Internet.
A、try out
B、give out
C、pick out
D、keep out
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.( )