既可用于冠、桥的黏结，又可作为衬层材料和儿童龋洞充填的是（） A.磷酸锌水门汀 B.
题型：单项选择题 B型题
问题：
既可用于冠、桥的黏结，又可作为衬层材料和儿童龋洞充填的是（）
A.磷酸锌水门汀
B.氧化锌丁香酚水门汀
C.氢氧化钙水门汀
D.玻璃离子水门汀
E.聚羧酸锌水门汀
题型：单项选择题 B型题
| 阅读理解。 | |
| |
| 1. Your seat number is ________. | |
| A. 8, Row 6 B. 6, Row 8 C. 8, Row 1 D. 6, Row 1 | |
| 2. If you are late for the film, you'd better ________. | |
| A. walk around B. call up your friends C. make much noise D. walk into the theatre quietly | |
| 3. What should you do at the cinema? | |
| A. get a phone call B. sell your ticket C. check your seat number D. talk with your friends freely |
