2022安徽名校学术联盟答案

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2022安徽名校学术联盟答案

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NoticeTo enrich our school life and arouse our interest in Englishour school is planning to hold the English writing contest nextThe contest, whose theme is about an unforgettable person,f will take place in the main hall of our school. We will inviteseveral respected English teachers to act as judges of the contestDE and they will choose some wonderful works, which will surelyleave a deep impression on you. Also, the winners will have thegreat chance to become the editors of our school English news-paperEvery one of you will be welcome to take part in the con-test. Look forward to your participation新课标·英语(一)(含听力)6

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分裂前期,D项错误出现在减4.B[命题立意]本题主要考查孟德尔遗传规律的相关知识,意在考查学生应用知识的能力,培养学生科学思维的核心素养[试题解析]由题意可知,正常植株自交后代中正常苗:白化苗≈5:1,说明亲代的正常植株中有纯合子(DD),也有杂合子(Dd),A项错误;正常植株自交后代中正常苗1白化苗≈5:1,说明白化苗是隐性性状,受一对隐性基因控制,B项正确;白化苗因不能进行光合作用而很快死亡,所以无法生长到繁殖期,无法自交,C项错误;正常植株自交的种子种在不同的田地里,正常苗:白化苗均接近5:1,说明出现白化苗不是由土壤缺乏某种无机盐引起的,D项错误5.C[命题立意]本题主要