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1分，满分15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. The New York Times started ____ new text messaging service that delivers ___ latest news to mobile phones
A. the; the B.a; the C. the; a D. 不填; 不填
22. ---The weather is changeable here. Please take more clothes.
--- .
A．It’s a pleasure B．Well, it just depends C．Take your time D．OK, just in case
23. Beijing National Stadium，the showpiece of the Beijing Olympics，has fallen into disuse since the end of the games，_________it difficult to make a profit
A．make B．to make C．making D．made
