参考答案
第一单元
1.E2.D3.A4.B5.E6.C7.E8.D9.C10.A11.E12.A13.B14.D15.D16.A17.B18.C19.E20.D21.D22.C23.A24.A25.E26.B27.D28.C29.B30.C31.D32.D33.A34.C35.A36.E37.A38.B39.A40.C41.E42.B43.A44.C45.D46.D47.B48.C49.D50.D51.A52.E53.C54.D55.B56.A57.B58.D59.E60.C61.D62.E63.D64.B65.C66.C67.C68.C69.D70.B71.D72.C73.D74.D75.B76.B77.C78.E79.B80.D81.E82.C83.C84.A85.C86.C87.D88.D89.D90.E91.D92.D93.E94.A95.D96.B97.E98.A99.B100.D101.E102.D103.A104.D105.D106.B107.A108.C19.D110.A111.B112.A113.D114.A115.B116.C117.A118.D119.D120.B121.C122.B123.E124.E125.B126.B127.A128.A129.A130.A131.E132.A133.C134.D135.B136.C137.B138.D139.C140.A141.C142.A143.C144.E145.D146.D147.C148.C149.E150.D