49. The author develops the third paragraph mainly . (A)by cause and effect (B)by order in space (C)by order in time (D)by examples

45.Which of the following statements is TRUE according to the text? (A)Edmonds proved himself to be good at writing at high school. (B)Edmonds graduated from Morgan State University in 1967. (C)Edmonds was the first full-time speechwriter. (D)Edmonds served the White House after 2000.