精选优质文档-倾情为你奉上第一章 绪论1-1 D 1-2 E 1-3 E 1-4 C 1-5 B 1-6 A 1-7 B 1-8 B 1-9 C 1-10 D 1-11 A 1-12 A 1-13 E 1-14 C 1-15 C 1-16 D 1-17 A 1-18 B 1-19 A 1-20 D 1-21 D 1-22 B 1-23 A 1-24 D 1-25 C 1-26 D 1-27 B 1-28 A 1-29 D 1-30 C 1-31 B 1-32 A 2-1 A,B,C,D,E 2-2 A,B,C,D 2-3 A,B,C 2-4 A,B,C,D 2-5 C,D,E 2-6 A,B,C,D 2-7 A,B,C,D 2-8 A,C,D,E 2-9 A,B,C 2-10 A,B,C 2-11 A,B,C,D,E 2-12 A,C,E 2-13 A,D 2-14 A,B,C 2-15