参考答案
1.B2.A3.C4.D5.D6.D7.C8.B9.B10.D11.A12.B13.A14.C15.B16.D17.D18.B19.B20.A21.B　　

22.A23.A24.C25.D26.B27.D28.B29.A30.C31.B32.B33.C34.A35.D36.C37.D38.D39.C40.A41.B　　

42.D43.A44.C45.B46.A47.D48.D49.A50.C51.C52.C53.B54.A55.C56.C57.B58.D59.A60.D61.C　　

62.C63.D64.B65.D66.B67.A68.A69.A70.B71.D72.B73.D74.B75.C76.A77.C78.B79.A80.D　　

81.D82.A83.A84.C85.D86.B87.D88.C89.D90.C91.A92.A93.D94.C95.B96.C97.C98.A99.A100.D　　

101.B102.D103.C104.C105.B106.D107.D108.A109.B110.C111.B112.A113.B114.D115.C116.B　　

117.A118.C119.B120.B121.C122.B123.A124.C125.A126.B127.A128.A129.B130.A131.A132.C　　

133.C134.B135.C136.B137.C138.B139.D140.B141.D142.C143.A144.B145.A146.D　　

147.C148.A149.B150.C151.ABD152.ABCD153.BCD154.AD155.AC156.ABC157.ACD158.ABC　　

159.CD160.ABCD161.ABC162.ACD163.AC164.AB165.BCD166.ABD167.ACD168.BD169.BCD　　

170.AC171.ABCD172.ABC173.CD174.ACD175.ABCD176.AB177.ABD178.BCD179.ABC180.ABD