A man’s blood type is A, whose father is AB and mother is O. If he married a woman whose father is O and mother is B. Then their children’s blood type can be
【简答题】U4-P59 Passage2-4.Who will find it difficult to find a partner in 2050?A. Little educated men and women B. Highly educated men and women C. Highly educated women and little educated men D. Highly educ...