Ⅰ. 根据句意及首字母或汉语提示完成单词(10分)
1. I like coffee with sugar because it t________better.
2. We often do physics experiments in the l________.
3. True friends should always be________ (真诚的) with each other.
4. The________ (主要的) idea of this article is to tell students how to set good habits.
5. It’s said that many people died of________ (癌症)every year.
