问题
单项选择题
龋病充填后,造成邻面悬突的原因是()
A.未使用垫底材料
B.未使用洞衬材料
C.使用形片不当
D.固位形差
E.抗力形差
答案
参考答案:C
龋病充填后,造成邻面悬突的原因是()
A.未使用垫底材料
B.未使用洞衬材料
C.使用形片不当
D.固位形差
E.抗力形差
参考答案:C
阅读理解。 | ||||||||||||||||||||||||||||||||||||||||
My name is Mary. I am from Toronto, Canada. I speak English and French. I know China is a great country. I'm Paul. I am from Paris, France. Now I can speak a little (一点儿) English and Chinese. I like China very much. My name is Tony. I'm 12 years old. My father and mother are from Australia. We stay (住) in Canberra. We speak English. I'm Li Lei. I'm a Chinese and I live in Beijing. I make some foreign (外国的) friends. Now I can speak a little English and Japanese. I'm John. I'm from Washington D.C., U.S.A. I speak English. I want to make friends with Chinese students. I'm Jane. I'm 13 years old. My parents are Japanese. We live in Tokyo. I want to make friends with Chinese students. My name is Peter. I come from England. I stay in London. I want to learn Chinese, but I don't have any Chinese textbooks (教科书). Could you help me? | ||||||||||||||||||||||||||||||||||||||||
根据短文内容填表。
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