2020至2022英语周报第39期答案

A篇【语篇导读】本文是一篇应用文。主要介绍了一个专门为青少年提供职业培训的机构21.【答案】B【解题思路】根据第一段的“ Learn about the Youth Skills Connections Progran(YSCP)which helps young people aged 15-29 build the skills today s employers are looking for andget real work experience.”可知, the Youth Skills Connections Program是为了给年轻人提供职业培训22.【答案】A【解题思路】根据“ who is qualified”一节中的“ Age requirements for some training programsmay differ due to the individual requirements of the program.”可知答案23.【答案】B【解题思路】根据“ How to apply"一节中的“ You can set up an appointment to discuss theapplication process or get more information by contacting the participating organizationnearest to you.”可知答案

14.AC【解析】图示细胞处于减数第一次分裂后期,此时细胞均等分裂,能判断该动物为雄性;图示细胞内其他4条染色体未绘出,并非染色体丢失,因此,该细胞在减数分裂过程中不能确定是否发生了染色体变异;图示细胞完成减数分裂,产生的4个子细胞基因组成各不相同;图示细胞发了交叉互换,由此不能确定未发生交叉互换前,与B基因在同一条染色体上的1是A基因还是a基因。

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