第一部分 选择题（共70分）
一、单项选择 从下列每题所给的选项中，选择一个最佳答案（共15题；每小题1分，满分15分）
1. This is _____ third year that China has taken part in the activity Earth Hour. But we hope we can try our best to make the earth ____better world.
A. the; a B. a; the C. the; / D. the; the
2. —We will build a high-speed railway in Taizhou before 2015.
—Wow, ________ exciting news!
A. what an B. what a C. what D. how
3. — The shop closes early on Saturday, right?
— No. Usually it ________ 10 o’clock in the evening.
A. closes until B. is closed until C. is open until D. opens until
