参考答案
第一单元
1A2.E3.C4.B5.D6.B7.C8.B9.D10.B11.B12.C13.E14.D15.B16.E17.B18.E19.E20.C21.C22.D23.C24.B25.D26.E27.C28.D29.D30.C31.E32.A33.E34.D35.B36.C37.E38.E39.B40.E41.C42.E43.B44.D45.C46.E47.B48.A49.B50.B51.C52.E53.C54.C55.A56.E57.E58.E59.C60.E61.B62.A63.E64.D65.C66.A67.E68.C69.D70.E71.B72.C73.B74.A75.E76.D77.C78.C79.C80.B81.C82.C83.D84.B85.A86.A87.D88.C89.D90.E91.D92.D93.B94.E95.D96.B97.A98.C99.E100.B101.D102.E103.C104.A105.D106.C107.E108.D109.D110.A111.C112.D113.A114.B115.D116.C117.A118.D119.D120.A121.C122.D123.C124.B125.A126.B127.B128.A129.E8130.E131.E132.D133.A134.D135.A136.B137.C138.B139.C140.B141.D142.C143.B144.D145.D146.B147.A148.D149.E150.A