英语周报七年级新目标第七期2020－2021答案

B【解析】摩尔根用纯合红眼雌蝇(Ⅹ^X)与白眼雄蝇(XY)杂交,得到的F1为XAX、XY,全为红眼.雎、雄比例为1:1:F:雌雄个体杂交,F2基因型为XXX^X“、XY、XY,雌蝇均为红眼.雄蝇中红眼与白眼各占1/2:F1中雌蝇(XX)与白眼雄蝇(XY)杂交,后代为XX、ⅩX、ⅩY、ⅩY,无论红眼果蝇还是白眼果蝇中,雌、雄比例都是1:1;白眼雌蝇(XX)与红眼雄蝇(X^Y)杂交.后代雄蝇(XY)全部为臼眼.雌蝇(XAX)全为红眼。故选B

21.C细节理解题。根据 Things you can expect from the role中“ You'll be responsible for developing the way toIT risk on clients and building and keeping good working relationships with all colleagues and clients."nf al这个职位的职责之一是提供关于技术风险的解决方案22.A细节理解题,根据 The minimum criteria中" Post-qualified experience within risk management,orexternal audit, as an IT auditor and will have experience of excellent data analytics within an auditenvironment”可知,申请该职位要求要有管理和科技知识23.B细节理解题。根据 Benefits中“ So if you' d like to work flexibly, let us know. Were happy to look atflexible working choices for all our roles..."可知,如果申请人获得了这份工作,那么他/她可以选择灵活的工作时间

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