152.Being knowledgeable can NOT be achieved by (A) learning their culture (B) watching movies (C) reading newspapers (D) sleeping

151.According to the author, why do we especially require good communication skills? Because (A) our intelligence quotient is low (B) our culture or education does not emphasize the importance of communication (C) communication is less important in the so-called knowledge-/information-based era (D) making American friends can be beneficial to our personal relationship