2022英语周报新目标cdx答案

9.C【解析】若该病为伴X染色体隐性遗传病,则Ⅱ1一定是杂合子;由Ⅱ1正常,Ⅲ1患病可知此病不属于伴X染色体显性遗传病;若该病为常染色体显性遗传病,Ⅱ3一定为杂合子。故选C。

第三节书面表达wersionDear Sir or MadamMy name is Li Hua. As an exchange student fromChina, I am studying in a local school. I am reallydelighted to learn that a volunteer for your Chinese culturallic exhibition is required and I'm confident that I amtruly fit for thestart with, my advantage first lies in the fact that IChina and used to beand quite familiar with Chinese relics. Further-more, being an outgoing and optimistic boy, I am good atcommunicating with others and introducing Chinese cultureto the world is always my honor and my pleasure. Finallythere is no problem with my spoken English, as I havelived here for almost a year and I have no difficulty commu-dicating with others in EnglishI would really appreciate it if you can offer me thechance to be a volunteer in your museum. I am looking forward to your early reply.Li Hua

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