第一节: 单项选择(共15 小题; 每小题1分, 满分15 分)
21. Every great accomplishment rests on the of what came before it; when you trace it back, you’ll see one small step that started it all.
A. reputation B. expectation C. recreation D. foundation
22. Our country has launched a campaign to ban smoking in public places, which with some heavy smokers.
A. concerns B. was concerned C. concerned D. is concerned
23. The Lifelong Learning Programme to enable people to take part in learning experiences has taken off across Europe.
A. having been designed B. being designed C. designed D. designing
24. Newly released data point to an increase in technology use among children some worry is changing the very nature of childhood. 【来源：21•世纪•教育•网】
A. why B. which C. who D. where