C
因为母亲的红细胞能被儿子凝集,所以儿子不可能是A型或AB型,而父亲的能被母亲的凝集,说明父亲不能是A型,而如果父亲是AB型,则母亲的血细胞不会被父亲凝集,所以父亲不能是AB型,如果是O型,则父亲的红细胞不会被母亲和儿子凝集,所以父亲是B型,
而儿子不能是A和AB,如果是B型,则父亲的红细胞又不会被儿子凝集,所以儿子只能是O型,这样, 父,母亲儿子的血型为B A 和O型,A型和B型的父母有O型的儿子,则双方的基因中必有i等位基因.也就是C的选项.[详细]
其实,我们新到一个集体的时候,基本上都会做一些自我介绍,让大家了解自己,今天学大教育和大家分享一个与众不同的,我们如何用英语介绍自己,记得初中英语老师用流利的英文介绍自己的时候,也是收获了大批粉丝呢。
例如:
1.很荣幸介绍自己
First of all, I would like to say thanks to everybody who gave me a chance to introduce myself.
I am honor to introduce myself here.
2.详细信息
I'm 12years old now. As a boy, I'd like to play basketball. At the same time, I like English very much. I have a dream to be a member of NBA. / I like reading and gardening as all the other girls. And I like Chinese culture. Would like to be a writer in future.
I will study hard to achieve my goal with your help!
3.谢谢大家
Thanks again for taking your time![详细]