第一节：单项填空（共15小题）

从每题所给的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. We have every reason to believe that ______ 2010 World Expo in Shanghai will be ______ success.

A. /; a                        B. the; /                            C. the; a                            D. a; a

22. For sustainable development, the government has decided to give _______ to those energy-conserving and environment-friendly businesses in many aspects.

A. profit                   B. interest                       C. preference         D. advantage

23. Located ________ the eastern coast of China, the village is fairly new _______ only a small population of less than 3,000.学

A. off; with            B. on; with                 C. in; of                   D. on; in