参考答案：
1.D 2.B 3.D 4.B 5.D
6.E7.E8.B9.D10.B
11.D12.E13.B14.D15.E
16.B17.B18.E19.A20.E
21.D22.A23.D24.A25.C
26.C27.A28.B29.A30.E
31.B32.E33.E34.E35.E
36.B37.E38.E39.B40.D
41.E42.E43.D44.A45.A
46.C47.B48.B49.E50.D
51.C52.A53.E54.E55.E
56.E57.A58.C59.C60.A
61.D62.A63.B64.A65.A
66.E67.A68.E69.C70.C
71.E72.D73.C74.C75.A
76.E77.A78.D79.A80.C
81.B82.A83.A84.C85.D
86.B87.A88.A89.B90.E
91.C92.E93.B94.A95.D
96.C97.B98.A99.E100.B
101.C 102.A103.D104.D105.A
106.C107.B108.A109.C110.E
111.B112.D113.E114.C115.D
116.A117.A118.C119.E120.D
