洗胶干燥岗开停车及开车前与哪些单位联系？
参考答案：
容器设备检修时，管线、阀门无物料的一边的法兰处加盲板后才可以检修.
患者因食硬物突然将牙咬折裂就诊。检查：右下6近中邻牙合面充填体，近中舌尖劈裂，舌尖尖锐折片Ⅲ度松动，达龈下3mm 。
该牙处理方法为 （）
A.拔除劈裂部分
B.切除牙根断面上方牙龈
C.伤口止血
D.调牙合
E.以上皆是
根据句意及首字母提示完成单词。
1. My sister likes singing very much. She can sing many English s____.
2. He is a m____ school student. He studies very hard.
3. G____ is my favorite subject. I can learn about many countries and cities.
4. She didn't go to the beaches on weekends. She went to the m____ with her parents.
5. The day before yesterday we had a math t____. I got full marks.
