问题
多项选择题
关于乳磨牙髓腔形态说法正确的是
A．乳磨牙通常有3个根管
B．下颌乳磨牙有时出现4个根管
C．上颌乳磨牙根管分为近中颊、舌侧根管和远中根管
D．下颌乳磨牙根管分为颊侧近、远中根管和舌侧根管
E．乳磨牙髓室颊舌径大于近远中径
答案
参考答案：A,B
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关于乳磨牙髓腔形态说法正确的是
A．乳磨牙通常有3个根管
B．下颌乳磨牙有时出现4个根管
C．上颌乳磨牙根管分为近中颊、舌侧根管和远中根管
D．下颌乳磨牙根管分为颊侧近、远中根管和舌侧根管
E．乳磨牙髓室颊舌径大于近远中径
参考答案：A,B
Hello, boys and girls! My name 1 Frank. I am eleven. This is a 2 of my family. This is my father. 3 name is Dale Brown. He is a teacher in my 4 . He teaches English. And that is mother. She is a 5 , too. Who(谁) is this? Oh, he is my 6 —my father’s brother. My grandparents 7 in the photo. 8 are in the USA. That is my dog. 9 name is Dick. I love my 10 and I love my dog, too.
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