第二单元
1.A2.C3.A4.E5.D6.D7.C8.D9.C10.A11.C12.D13.D14.D15.D16.D17.B18.A19.E20.A21.A22.B23.D24.B25.D26.A27.B28.D29.D30.C31.D32.C33.C34.C35.B36.C37.E38.D39D40.B41.A42.B43.D44.E45.A46.B47.D48.A49B50.C51.E52.A53.C54.E55.C56.C57.E58.B59.D60.E61.E62.A63.E64.C65.B66.A67.B68.E69.A70.D71.C72.D73.C74.B75.D76.A77.D78.C79.B80.C81.A82.B83.C84.℃85.B86.E87A88.D89A90.C91.A92.B93.C94.B95.B96.C97.B98.C99.D100.E101.D102.A103,C104.A105.C106B107.C108.A109.A110.C111.E112.D113.D114.C115.E116.E117.C118.D119.B120.D121.D122.E123.C124B125.E126.D127.A128A129.C130.E131.B132.E133.D134.D135.A136.D137.D138.D139.A140.E141.B142.C143.A144.C145416.D147.D148.C149A150E