第二单元
1.D2.B3.C4.D5.B6.D7.C8.D9.C10.B11.C12.D13.C14.C15.A16.B17.D18.D19.B20.D21.E22.D23.E24.B25.A26.A27.B28.C29.E30.B31.C32.D33.E34.D35.C36.D37.E38.B39.E40.E41.A42.E43.C44.A45.C46.E47.D48.C49.D50.C51.D52.A53.A54.A55.B56.E57.E58.C59.E60.A61.D62.ID63.B64.C65.E66.B67.B68.C69.B70.E71.C72.C73.D74.C75.A76.C77.A78.B79.D80.B81.C82.E83.C84.B85.E86.C87.C88.D89.B90.D91.D92.C93.B94,A95.C96.B97.D98.C99.E100.A101.D102.C103.D104.C105.D106.C107.A108.D109.D110.C111.C112.D113.E114.C115.D116.D117.C118.A119.C120.D121.C122.C123.A124.C125.C126.E127.E128.D129.C130.B131,C132.A133.A134.C135.C136.B137.E138.B139.D140.A141.C142.A143.A144.D145.C146.A147.E148.A149.B150.D