2022广东专版英语周报RX 高三答案

第三节One possible wersionParagraph 1I was tired. My arms were really heavy and I felt as ifthey were on fire. We were made up and down by thewaves.I didnt know how much longer I could pull that oarthrough the water. As if he heard my thinking, my fathercalled to me, "I need you, Karl. Only a little longer. "Soi kept pulling. Just when I thought I had no more strengthI heard it- the sound of waves breaking against the shoreIt refreshed us greatly and we kept pulling. At last wemoved into the shelter with all the herringParagraph 2My mother rushed through the rain to greet us."Ivebeen so worried, she said. She hugged me tightly andthen my father. Nothing to worry about, "he assured herHe put his hand on my shoulder. "You did well, son. Howdo you feel? " Tired as I was, I managed a smile."FineAnd Daddy, you ar

13.C解析:该品系雌果蝇(性染色体组成X^XY)与正常雄果蝇(XY)交配,子代存活果蝇的性染色体组成是X^XY(雌性)和XY(雄性),因此杂交子代果蝇雌雄数目之比为1:1,A正确;由图可知,该品系雌果蝇的变异类型是染色体变异,B正确;该品系雌果蝇体细胞中具有8条染色体,即6条常染色体、XX和Y,有丝分裂后期的细胞中染色体数目加倍,因此处于分裂后期的细胞中含有16条染色体,C错误;若交叉互换发生在染色体复制之后,则后代雌性个体的基因型为XXY、XXY、XX“Y,若交叉互换发生在染色体复制之前,则后代雌性个体的基因型为XXY,D正确。诱性增加导致血浆蛋白进入组织液,组

以上就是2022广东专版英语周报RX 高三答案，更多英语周报答案请关注本网站。