第一节：单项填空（共15小题，每小题1分；满分15分）
1. opening ceremony of the 28th Beijing Olympic Games really gave the world
big surprise.
A. 不填；a B. The; the C. The; a D. 不填; the
2. When it air pollution, Beijing faces the three “C”s, cars, coal and construction, which lead to Beijing’s thick air pollution.
A. refers to B. comes to C. happens to D. speaks to
