问题
选择题
| 选出每组单词中不同类的一项。 |
| ( ) 1. A. donut ( ) 2. A. soccer ( ) 3. A. easily ( ) 4. A. meat ( ) 5. A. catch | B. dumpling B. game B. light B. fruit B. sports | C. hand C. badminton C. heavy C. vegetable C. hit | D. sandwich D. basketball D. hard D. face D. throw |
答案
答案：A
大面积龋，银汞充填，充填物完整。