参考答案
第一单元
1.E2.A3.D4.C5.D6.B7.E8.B9·Cl0.C
11.Cl2.Cl3.Dl4.Al5.Bl6.Dl7.Cl8·El9·C20.E
21.C22.C23.B24.B25.D26.A27.D28·C29·D30.C
31.A32.B33.B34.B35.D36.A37.C38·E39·E40.D
41.A42.B43.E44.B45.B46.E47.A48·D49·C50·D
51.D52.D53.B54.C55.C56.A57.D58·C59·D60.E
61.C62.A63.D64.A65.D66.D67.C68·D69-D70.E
71.B72.C73.D74.E75.C76.B77.C78.E79·E80·E
81.E82.E83.E84.C85.B86.D87.A88·E89·E90.B
91.D92.A93.B94.D95.E96.B97.D98·C99·Al00.A
101.Al02.Dl03.Dl04.Cl05。Bl06.Cl07.El08·El09-D110.C
111.Dlt2.Dll3.Cll4.Bll5.Bll6.Bll7.Bll8-B119·Al20.A
121.Dl22.El23.El24.Bl25.Cl26.Dl27.Bl28.Al29·Dl30·E
131.Cl32.Bl33.El34.Cl35.Dl36.Al37.Al38·Cl39·Dl40.E
141.Al42.Bl43.Bl44.Al45.Cl46.Cl47.Bl48·Al49·Cl50·D