题目

隋唐时期，我国统一的多民族国家得到空前发展。有一少数民族首领曾给唐朝皇帝写信：“外甥是先皇帝舅宿亲，又蒙降金城公主，遂和同为一家。”据此判断该民族是 A．回纥         B．吐蕃                C． 靺鞨             D．匈奴 答案：B— Have you heard of this new brand of computer, Mike? — Yes, of course, and I've decided to buy ___. [     ]A. it B. one C. this D. that