第二部分英语知识运用（共两节，满分45分）
第一节 单项填空（共15小题；每小题l分，满分l5分）
从A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
21. — Are you planning to take American History by Mr. Johnson next semester?
—______________ I might not have enough time.
A. It depends. B. So what? C. Sounds great. D. Why not?
22. In ________ most countries, a university degree can give you _______ flying start in life.
A. the; a B. the; / C. /;/ D. /; a
23. The cost of renting a house in central Xi’an is higher than _______ in any other area of the city.
A. this B. that C. it D. one
24. — I watch “ I am a Singer” every Friday night.
— Me too. I have never seen a ________ entertainment program.
A. best B. better C. worst D. worse
