Ⅰ. 根据句意及首字母或汉语提示完成单词（10分）
1. The p________ of new technologies is to make life easier.
2. —When did Hong Kong come back to our h________?
—In 1997.
3. He said Academician Mr. Yuan Longping often ________ (出现) on TV programs.
4. The program is organized by the local ________ (政府) to raise money for charity.
5. Healthy sleep can be achieved with just a few simple ________ (步骤).
