参考答案
第一单元
1.B2.D3.A4.E5.E6.D7.A8.C9.C10.C11.A12.C13.C14.E15.B16.D17.C18.C19.A20.C21.D22.D23.B24.C25.A26.A27.D28.C29.D30.B31.C32.E33.D34.A35.E36.C37.A38.E39.D40.C41.D42.B43.E44.D45.A46.D47.B48.E49.A50.A51.D52.D53.D54.E55.B56.E57.B58.B59.D60.B61.C62.A63.B64.C65.A66.C67.B68.A69.A·70.B71.C72.C73.D74.C75.C76.A77.A78.C79.B80.C81.D82.D83.C84.B85.C86.D87.E88.A89.E90.D91.D92.B93.A94.E95.B96.E97.B98.A99.A100.C101.D102.B103.C104.A105.D106.B107.A108.E109.A110.C111.D112.C113.A114.B115.D116.A117.D118.B119.D120.B121.A122.B123.C124.D125.C126.C127.A128.C129.B130.C131.A132.C133.A134.D135.C136.D137.D138.E139.C140.D141.B142.B143.E144.B145.B146.A147.A148.E149.C150.A