21.(10分)(1)_____________________________________(2)_________________________________________(3)_______________(1分)(4)____________________(1分)22.(10分)(1)______________(1分)(2)_____________________________(3)_______________________________(4)__________(1分)错误填涂缺考标记正确填涂微信扫码或微信关注“七天网络”公众号随时查分!儋州市第二中学2020-2021学年度第一学期高二年级生物段考答题卡姓名:考号:班级:一、单项选题(110每题2分,1120每题3分,共50分。)1[A][B][C][D]2[A][B][C][D]3[A][B][C][D]4[A][B][C][D]5[A][B][C][D]6[A][B][C][D]7[A][B][C][D]8[A][B][C][D]9[A][B][C][D]10[A][B][C][D]11[A][B][C][D]12[A][B][C][D]13[A][B][C][D]14[A][B][C][D]15[A][B][C][D]16[A][B][C][D]17[A][B][C][D]18[A][B][C][D]19[A][B][C][D]20[A][B][C][D]二、非选择题(共50分)贴条形码区(正面朝上,切勿贴出虚线方框)23、(10分)(1)________________________________(2)____________________________________(3)____________________________(4)___________________________________________25.(10分)(1)___________(1分)________________________________(2)①_________________(1分)②____________________________③_____________________________24.(10分)(1)_______________________________________________________(2)___________________________________________________(3)________________________________________________________