异化
参考答案：
在语流中，两个位置邻近的音质相同或相似的音，为了避免发音时的拗口，其中一个受到另一个的影响而变得不同，这叫异化。
词汇运用
1. He often spends lots of time __________ with his friends online. (chat)
2. Good _________with your trip to Hongkong. (luck)
3. In my family everyone has __________ own computer. (they)
4. I sometimes go to school without ______ breakfast. (have)
5. I can't hear you __________, can you say it again?(well)
6. My brother and I are in different __________. (年级)
7. There're four __________ teachers in our class. (百)
8. The toilet is __________the teachers' office and our classroom. (在---之间)
9. You can ask the __________over there, maybe they know the way to the hospital.(警察)
10. It's hard for the little boy to __________herself. (穿衣服)
帮助患者翻身侧卧的目的是什么?
