第二单元
1,B2.D3.E4.D5.B6.E7.B8.C9.D10.D11.A12.E13.B14,B15.E16.D17.B18.B19.C20.C21.C22.C23.B24.C25.D26.B27.D28.C29.B30.D31.A32.E33.B34.C35.A36.A37.B38.A39.C40.B41.E42.C43.C44.B45.D46.D47.E48.C49.B50.D51.A52.D53.E54.A55.D56.E57.A58.E59.C·60.B61.D62.D63.D64.D65.E66.C67.B68.D69.D70.E71.A72.A73.D74.C75.B76.C77.E78.E79.C80.E81,A82.D83.B84.B85.C86.D87.A88.A89.B90.E91.A92.B93.C94.D95.C96.C97.D98.D99.A100.D101.B102.D103.D104.D105.E106.C107.D108.C109.E110.C111.D112.C113.C114.E115.A116.B117.D118.D119.A120.D121.C122.D123.B124.B125.A126.C127.C128.A129.D130.B131.B132.E133.C134.A135.B136.D137.D138.A139.D140.E141.C142.,C143.D144.E145.D146.A147.A148.C149.A150.D