女性，16岁，要求治疗右上前牙。3个月前，右上中切牙外伤未及时就诊。检查：近中切角缺
题型：单项选择题
问题：
女性，16岁，要求治疗右上前牙。3个月前，右上中切牙外伤未及时就诊。检查：近中切角缺损，牙冠暗灰色，叩痛（-），电测验无活力。X线片未见根折线。该患牙的诊断应是（）
A.外伤冠折
B.急性牙髓炎
C.慢性牙髓炎
D.牙髓坏死
E.急性根尖周炎
题型：单项选择题
| 阅读理解 | |||
| |||
| 根据短文内容，选择正确答案。 | |||
| 1. What are Han Jun’s favorite animals? | |||
| A. Tigers. B. Pandas. C. Elephants. | |||
| 2. What does Zhao Ziyi look like? | |||
| A. She is short with short black hair. B. She is tall with long black hair. C. She is tall with short black hair. | |||
| 3. Where does Tony come from? | |||
| A. England. B. The U.S.A. C. China. | |||
| 4. What do Tony and his parents like? | |||
| A. Cartoon movies. B. Chinese food C. Animals. | |||
| 5. Han Jun and Tony are . | |||
| A. in the same class B. good friends C. both 12 years old |
