11. China came into ___________(存在) as an independent country after 1949.

1. They are carrying out some _________(研究) on the effects of brain damage.

10. No one knows how much __________(财富，财宝) was buried underground.

9．She sounded very __________(令人信服的) to everybody.

8．She didn’t have the __________(力气) to walk any further.

7．Which team do you ____________(支持) ?

6．Lin Zhexu is our n__________ hero.

5．We found further scientific e__________ for this theory.

4．The plane crashed in t_______ fog.

3．How to build Stonehenge in England remains u_________ to the scientists.

2．I haven’t been sleeping well l________.