单词拼写10%（根据所给的首字母或括号中的中文写出该词，注意用适当的形式。每空一词）
1. The two boys often _____________（争论）with each other about maths problems..
2. After working hard for twenty years, he gained a great scientific _____________（成就）.
3. Because of _________ (表现) well at school , Li Zhe is popular with his classmates.
4. Our school started an (活动)against smoking last week.
5. After the film ended, I found that it was _____________（值得的） to see the film.
6. Doctors often give some rules to follow for keeping people free from s________ .
7. Yuan Longping is a famous specialist in hybrid rice and r____________ by people all around the world.
8. Many teenagers are crazy about the s_______ stars.
9. The rich man has donated (捐赠) much money to the Hope P____________ .
10. Judging from his s________ face and arms, he may work in the open air for most of the day.