问题
单项选择题
患者夏某，
缺失，余留牙及牙周组织健康，要求做整铸支架活动义齿修复。
钴铬合金支架铸圈的铸造温度是()
A．700℃维持30min
B．750℃维持30min
C．800℃维持30min
D．850℃维持30min
E．900℃维持30min1000℃维持30min
答案
参考答案：E
搜题请搜索小程序“爱下问搜题”
患者夏某，缺失，余留牙及牙周组织健康，要求做整铸支架活动义齿修复。
钴铬合金支架铸圈的铸造温度是()
A．700℃维持30min
B．750℃维持30min
C．800℃维持30min
D．850℃维持30min
E．900℃维持30min1000℃维持30min
参考答案：E
同学们，我们身边有很多助人为乐的同学，他们的事例值得我们学习。请根据下面表格信息给学校英文报写一篇短文，谈谈身边的好人好事，号召大家向他们学习。
2. 语句通顺，意思连贯，书写工整。 3. 文中不得出现真实地名和姓名； 4. 词数：60—80词。（开头和结尾已给出，但不计入总词数） Dear Editor， In our school, some students are always thinking more of others and are ready to help them. I’m moved deeply. Here is what they usually do. Liu Na is a very good student. I hope everyone can learn from them and do something for others. |
