第一部分 选择题（共70分）
一、单项选择 从下列每题所给的选项中，选择一个最佳答案。（15分）
1. Xiao Caiqi, ________ 15-year-old girl, gave her_______ excellent performance in the Old Street.
A. a,/ B. an,/ C. a, the D. an, the
2. As the citizens in China, it’s our ________ to pr event Xinjiang from being away from motherland by enemies.
A. job B. duty C. task D. way
3. --- Wow, the pair of shoes looks pretty. Can I try _______ on ?
--- OK. Look, it fits you so well. Why not take _________?
A. them , it B. it, one pair C. them, one pair D. it, it
