15. Youths take on challenges to tackle/ can make a difference in global issues.

By launching the basketball-themed Hoops of Hope.

It will have a positive impact on their local environment.

14. Amusing.

He’s afraid of her security.

They should learn to balance between staying connected and letting go.

13. Only.

They lived in snow igloos and travelled by dog-sledding.

Excited and happy.

12. Practice.

Because of her great performances.

Wang Anni was chosen as a torchbearer of the Beijing Olympics.

11. Decisive.

More needs to be done to prepare for a possible comeback of the deadly SARS virus.

The five compounds.

10. Rejected.

He recognized China’s sovereingty over Tibet./ Tibet is part of China.

On (the) Saturday.

9.　　 Widened.

(It has) the second largest (disparity) in America.

Poor get poorer as US recession threat looms./ The gap between rich and poor has broadened in America.

8.　　 Death.

(Middle-aged) men.

Seven or more eggs a week raises risk of death.

7.　　 Understand.

Children aged ten or older.

Adults should be careful to use sarcasm.

6.　　 Lack.

Better sleep may equal better decision making.

Bad effects of sleep deprivation. /The importance of enough sleep.