Read the description again. In which paragraphs A-E does the writer mention points 1)- 5)听表达技巧 1) Good points: (1) a. A b. B c. C d. D e. E 2) Bad points (2) a. A b. B c. C d. D e. E 3) Background information (3) a. A b. B c. C d. D e. E 4) Things you can see and do (4) a. A b. B c. C d. D e. E 5) Conclusion (5) a. A b. B c. C d. D e. E__4__(完形填空) .a .b .c .d .e