The Russians trace their ancestry to the Eastern __________tribes.

当你碰到一个着华人的面孔的美国人，你很好奇对方是来自哪里的，可使用________进行提问。 A: What's your ancestry? B: B where’s your ancestry? C: Where are you from? D: who are you?

当你碰到一个着华人的面孔的美国人，你很好奇对方是来自哪里的，可使用________进行提问。 A: A.What's your ancestry? B: B where’s your ancestry? C: C. Where are you from? D: D. who are you?

Similar characteristics between animals that are the result of common ancestry（共同祖先） are called ( ). A: analogies B: clades C: homologies D: phylogenies E: hierarchies

German American, Americans, African Americans and English Americans constitute the country’s four largest ancestry groups. A: Irish B: Italian C: Polish D: French

Which living regional population has DNA with the greatest evidence of ancestry from the Denisovan population? A: SE Asia B: NE Asia C: The Near East D: Southern Africa

The term "Chinese Americans" refers to those Americans _____. A: who emigrate from America to China B: who are married to Chinese citizens C: aised by Chinese people in Chinese culture D: of Chinese descent or with partial Chinese ancestry

Put the following sentences in correct order to be a coherent paragraph. ①Kin do not always live together or function as a group but they may recognize certain rights, responsibilities, and obligations to one another. ②Kinship refers to a social network of people who are related by common ancestry or origin, by marriage, or by adoption. ③Kin can include close relatives such as parents, and distant relatives such as third cousins.