问题
单项选择题
使用电刀切龈时严禁触及牙面和根面，原因是
A．可造成组织缺损
B．可造成骨坏死
C．可造成软组织坏死
D．可刺激牙髓造成牙髓病变
E．可引起牙槽骨坏死
答案
参考答案：D
搜题请搜索小程序“爱下问搜题”
使用电刀切龈时严禁触及牙面和根面，原因是
A．可造成组织缺损
B．可造成骨坏死
C．可造成软组织坏死
D．可刺激牙髓造成牙髓病变
E．可引起牙槽骨坏死
参考答案：D
 It is getting colder by the day. When I was putting out my autumn clothes, a brown woolen* sweater caught my eye and reminded of this time last year. It was on a cold morning that my mother came into my bedroom with the sweater. She said it was rather cold outside and asked me to wear it to school. “I spent the whole weaving* the sweater,” she told me. The sweater was so unfashionable and that I was not pleased with it. After mom went out to work, I the ugly sweater to a corner. I would rather catch a cold than wear it. I thought my classmates would laugh at me. I a thin uniform and went to school. Before I walked into the classroom, I heard Lana’s voice: “Look at my overcoat. My father bought it in Hong Kong.” Connie said: “My scarf is , too” I looked through the window and was surprised to see all the girls in colorful winter clothes me. They showed their clothes to each other and laughed . Suddenly, I felt inferior* to them. wasn’t my family as rich as theirs? I wanted to wear beautiful clothes, too. A strong cold wind blew and I sneezed. During class I felt terrible. The said I had caught a cold. “ You should wear thick clothes today, ” she said. I suddenly thought of my mom. She said the same thing to me I didn’t listen. As soon as I got home I fell asleep on the sofa. I of a woman weaving. She was my mother! She spent the whole night making a sweater for me. But I neither thanked her nor wore it. When I opened my _______, my mother was smiling at me. Her eyes were full of worry and care. I held her in my arms. “Sorry, mom, I should have complained about that sweater. ” Two days later, I wore the warm and comfortable woolen sweater to school. Some of my classmates laughed at me. But I didn’t . I know mom’s love is more important than money.
|