2023届高考单科滚动检测卷 XJC(三)3历史答案

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12.D过程①②为杂交育种，育种的原理是基因重组，丙基因型ABb植株自交，后代产生戊基因型AAbb的概率是1/16，A错误：过程②获得丁为组织培养获取单倍体幼苗的过程，而不是单倍体育种，B错误：过程③通常使用秋水仙素处理单倍体幼苗而不是萌发的种子，因为丁高度不育，C错误：过程⑤为多倍体育种，利用的遗传学原理为染色体变异，D正确。

书面表达One possible version:Dear David,I'm delighted to know that you are interested in "A Visit to the Nursing Home at the Mid-Autumn Festival".And I'd like to sharefurther information.The activity,intended to bring warmth and happiness to the elderly people during the traditional Chinese festival,takes place onthe fifteenth day of the eighth lunar month this year.On that day,besides chatting and making mooncakes with the elderly people,westudents will also volunteer to entertain the elderly people by singing,dancing and reciting Chinese poems.Would you like to be a volunteer for this meaningful activity?If you are willing to,please let me know.Looking forward to your early reply.Yours,Li Hua