2020——2022英语周报八上第17期答案

作文:Recently, Wechat has gained great popularity. Some individuals speak highly of it, while others thinkotherwiseOn the one hand, those who are in favor of us ing We chat claim that it can enhance interpersonal relatnships via coMMunicating with one another by call ing a video phone. Besides, it is easy to read an onl ne book, hire a taxi or order your lunch on Wechat, which provides people with enough convenience. AdditionallyWechat can assist helpless parents find the ir lost child by extending the news. providing great help. All inall. the purpose of this App is to offer people the ultimate convenienceHowever, on the other hand, some people argue that we still shoul dn t ignore its negative effects. Ithas been a coMMon phenomenon that people spend their free time on Wechat, merely chatting with the ir friends or updating their Wechat MoMents, which is really a waste of time. Apart from that, on Wechat, we Might make friends with soMeone in disguise who just wants to cheat our Money. In addition, the article we forward might tum out to be a ruMorsK Tosum tp We Chat has both advantages and disadvantages. but, I believe the advantages far outweithe disadvantages. Thus, we need to use the App wisely

32.C【解析】基因分离定律和自由组合定律适用于进行有性生殖的真核生物的核基因遗传,A项错误;验证分离定律时,可选择自交或测交的方法进行验证,B项错误;基因的自由组合定律适用于位于非同源染色体上的非等位基因的遗传行为,即每对同源染色体上最多只能研究一对等位基因,C项正确;遵循分离定律的等位基因不一定遵循自由组合定律,D项错误。

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