19.(除注明外,每空2分,共12分)(1)父本: wwss Mm、母本: wwSSn杂合子(1分)若该植株的基因型为纯合子,含有MM或mm塞因,基因型为MM的植株自交后代不可能得到基因型为mm的母本,基因型为mm的植株无法自交产生后代(或只有含Mm基因的植株,自交后代才能产生mm的母本)(3分)(2)8(1分)27/64(3)1/4(1分)胚乳正常可育:胚乳正常雄性不育:胚乳凹陷可育:胚乳凹陷雄性不育=3:3:1:120.(除注明外,每空1分,共12分)

短文改错For the last ivo weeks, I had been working with one of my classmates to organize the fundraiser for our sick friend,whomI've known since the start of primary school. While she heard that she had cancer. she and her family were shocked, and sheWhstarted treatments direct. Raising money was a secret activity by our monitor at first. Twenty-four classmates were involvediN. But in reality, our friend was happy to see us. We had fun for hours talk about our childhood memories. Because of thengfundraiser, he started sending her appreciation message to everyone and posted photos with us on her WeChat. We weredelighting to give her encouragement A keep going to her treatmentsdelighted

以上就是2018--2022高一英语周报第一期答案，更多英语周报答案请关注本网站。

本文地址： http://www.ncneedu.cn/post/18560.html

文章来源：admin

版权声明：除非特别标注，否则均为本站原创文章，转载时请以链接形式注明文章出处。