一、单项填空 (共1 0小题；每小题l.5分，满分l5分)
从每题所给的A、B、C、D四个选项中，选出可以填人空白处的最佳选项，并在答题卡上将该项涂黑。
1. The visitors are greatly impressed by the fact that ____ people from all walks of life are
working hard for ____ new Shandong.
A. 不填; a B. 不填;the C. the; a D. the ; the
2. With trees and grass ______ 39.6% of the urban area, the city has taken on a new look.
A．covered B．covering C．to be covered D．being covered
3. _____you’ve experienced it, you can’t understand how I felt.
A．Once B．Because C．Unless D．While
4. They hope to turn our society into one ______ those in need can get help.
A. who B. which C. when D. where
5. ---I’m going to San Francisco for a couple of days.
---__________. I wish I could get away for a while.
A. It doesn’t matter B. Forget it C. I really envy you D. I can’t agree more
6. My friend Jack was the first person I knew ______an iPhone 5S.
　A. using B. to use C. used D. having used
7. Experiments of this kind _____in both the U.S. and Europe well before the Second World War.
　A. have conducted B. have been conducted C. had conducted D. had been conducted
8. ---That must have been a long trip.
---Yeah, it ______ us a whole week to get there.
　A. takes B. had taken C. took D. was taking
9. The shocking news made me realize _____ terrible problems we would face.
　　A. what B. how C. that D. why
10. I went to that fancy restaurant with my wife yesterday, _____ chefs are really brilliant.
　　A. when B. which C. who D. whose