1．Tangjialing was, until recently, _____ home to about 50,000 members of _____ant tribe ― low-income graduates, often born and raised in other cities.
A. 不填; a B. a; the C. 不填; the D. a; a
【答案】C
【解析】本题考查冠词。（be ）home to……的故乡/所在地/发源地；ant tribe特指后面的low-income graduates。
