问题
单项选择题
DSA体位设计的意义在于
A．显示心脏的三维结构
B．高像质地发现和显示病变部位和形态
C．显示血管的三维结构
D．显示血管的平面影像
E．显示心脏的平面影像
答案
参考答案：B
搜题请搜索小程序“爱下问搜题”
DSA体位设计的意义在于
A．显示心脏的三维结构
B．高像质地发现和显示病变部位和形态
C．显示血管的三维结构
D．显示血管的平面影像
E．显示心脏的平面影像
参考答案：B
Mary is my friend. Her mother’s birthday is coming. She wants to buy a birthday present her mother. But she doesn’t have money. She can’t buy one. She is very . She thinks and thinks. She has an idea (主意). She can make a present by herself. So she uses a piece of paper a card. On the front, she a beautiful house with some flowers around it. On the back she writes, “To my dearest mummy in the world. I will buy you a real (真的) like this.” her mother’s birthday, Mary gives her the card. After she sees the card, tears (眼泪) fall down from her face. “ are you crying?” Mary asks, “You don’t like it, right?” “Of course not,” she says, “I love it very much. I because (因为) I am the happiest mother in the world. I have a great . I love you forever.”
|
近中切角缺损，牙本质暴露，探诊酸痛，温度试验酸痛明显，无松动。X线牙片示：无根折。最佳治疗方案是（）