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．China’s economic development has made rapid progress in the past years and young people have made great contribution to this progress.
A．/ ; a B．the; / C．a; a D．/ ; /
22．Being extremely angry, the boy and went out, saying nothing.
A．turned up B．turned out C．turned down D．turned around
