Serving as a reviewer can help you develop the capability of critical reading and providing critic reviews.

Briefly explain the four skills you use in everyday conversation that are also among the skills required for effective public speaking

“她不很爱说话，别人问了才回答，答的也不多。”最佳译文是（) A: A.She said lttle ，only answering briefly when others asked her a question. B: B.She said lttle， when others asked her a question， she only answered briefly. C: C.She said lttle， only answering briefly when asked a question.

Identify and briefly explain the seven elements of the speech communication process. Include in your answer a sketch of the complete speech communication model presented in the textbook. Be sure to label each part of the model.

State Kerckhoff's principle. Explain briefly why a cryptosystem designed by someonewho follows this principle is likely to be stronger than one designed by someone who does not. (6 p)