NO-BOOK口语提高版 Lesson176:沉重的
文本：
Lesson 13 Heavy
1. I think cookies are too heavy.
2. My eyes are very heavy.
3. I gave my seat to a woman heavy with child.
4. I have had a heavy day.
5. He's a heavy weight among the students.
6. He's a heavy smoker.
7. I'm nuts about heavy metal.
8. This book is heavy reading.