2020年北京市中考生物试卷答案版

11420201515.01.A.B.C.D.2.A.B.C.D.3.A.B.C.D.4.A.B.C.D.5.A.B.C.12D.66.1012A.B.214C.D.7.A.B.C.D.8.A.B.C.D.9.2020A.B.C.D.10.A.B.314C.D.11.3448m10m2mA.B.C.D.12.A.DNAB.18C.D.XY13.A.B.C.D.14.A.B.C.D.15.A.B.C.D.16.016.5mmg/207.34414200.3%A8g/271.84203%A8g/27-0.121______2______3____________4A______5______abcd424.017.1__________________2______33______4______51418.11______21__________________32____________19.1______2__________________3614100%__________________20.--3cm3601____________2____________abcd7143______8141.BAAABBBCCCDDDBABCD2.DAABBCCDDD3.DABCDD4.AAABBCCDDA9145.CAABBC20CD6DC6.BAABBCCDDB127.BAABBCCDDB10148.CAABBCCDDC129.CAABCBCCDC12410.CABCDC11.AAABBC2mC1114DDA12.BADNADNAAB18+119BCXYCDXYXYDB2322XYXYXX13.ABCDBCDAAA14.DAABBCCDDD12315.D1214D16.A8g/27c12AA8g/27A34A5abdabdcc12A8g/27345c17.123341131423418.142131234419.1214143100%12312320.bcd12abcd312bcd3123