2022英语周报高二牛津综合29答案

參考范文about a week later, Pomilla and Andrew got to meet her son'sSavion comilla and Andrew arrived at the metro station at theappointed time, anxiously waiting for Case to come. When Casearrived with a big smile, they felt very happy and excited. Casehugged Andrew warm-heartedly and reached out his right hand, sayingto him. Would you like to take it again?"without hesitation theboy took it and held it firmly. After talking for some time, Pomillatook out the badge and gave it back to Case. Many passengers tookictures of the sceneTaylor Pomilla was moved and expressed her thanks to Caseagain She asked Case how he could calm andrew down at that timeCase told her that he had a daughter with autism and that he hadreceived special training on how to deal with autistic children. Hepromised to visit them often to help Andrew grow up happily. As hewas talking, he took out a police badge that he made by hiimself andgave it to Andrew, who was more than happy to accept it. Ever sincethen they have been friends

28.(除注明外,每空1分,共10分)(1)低产时盐碱1高产耐盐碱:低产不耐盐碱:高产不耐盐碱=9:3:3:1决定高产与耐盐碱的基因位于非同源染色体上,符合自由组合定律(2)不能途径③可用秋水仙素处理幼苗或萌发种子,但途径①用花药离体培养无法获得种子,故不能用秋水仙素处理其萌发的种子(2分)(3)1/3高产耐盐碱:高产不耐盐碱=5:1(2分)aBB(4)诱变育种(细胞工程育种、基因工程育种、无性繁殖等,合理即可)

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