Ⅰ.单句填空
1. I was （honour） to have been mentioned in his speech.
2. Advertising and（promote） are what American business does best.
3. The patient was kept under （observe） all night.
4. The star of the film is a （previous） unknown actor.
5. In the US, more than 270 million people visit the （nation） park system each year.
6. People in China celebrate the Dragon Boat Festival on the fifth day of the fifth l month.
7. It serves as enlightenment（启迪）, inspiring people （observe） public morals and value harmony, especially in disagreements.
8. Unfortunately, over the years, the community changed as the younger g_________ moved into cities.
9. It's teachers' duty （identify） and try to help solve the problems of their students not only with their study but also in their daily life.
10. It's well known that Chinese women's volleyball team is the national ________（proud） since it first won the championship in 1981.
