问题
单项选择题
关于牙源性感染的概念，错误的是
A．病原菌可通过牙周组织进入体内
B．病原菌可通过病灶牙根尖进入体内
C．感染可向颌面部间隙扩散
D．牙源性感染中儿童更多见
E．智齿冠周炎也是牙源性感染的常见原因
答案
参考答案：D
解析：成人、儿童无明显差别。
搜题请搜索小程序“爱下问搜题”
关于牙源性感染的概念，错误的是
A．病原菌可通过牙周组织进入体内
B．病原菌可通过病灶牙根尖进入体内
C．感染可向颌面部间隙扩散
D．牙源性感染中儿童更多见
E．智齿冠周炎也是牙源性感染的常见原因
参考答案：D
解析：成人、儿童无明显差别。
When I was nine , my father was ill．I can remember my mother’s words ___16___ it were yesterday: “Kerrel, Your father has AIDS．Be very ____17___ when you are around him.” AIDS wasn’t something we talked about in my country when I was growing up．From then on, I knew that this would be a family ___18___．My parents were not together anymore, and Dad lived ___19___．For a while, he____20__ take care of himself．But when I was 12, his condition__21____．My father’s other children lived far away, so it fell to me to look after him. We couldn’t___22____ all the necessary medication for him, and because Dad was unable to work, I had no money for ___23____ supplies and often couldn’t even buy food for dinner．I would sit in class feeling completely ___24____, the teacher’s words muffled as I tried to figure out how I was going to manage. I did not share my ___25___ with anyone．I had seen how people ___26___ to AIDS．Kids laughed at classmates who had parents with the disease．And even adults could be ___27__．When my father was __28____to the hospital, the nurses would leave his food on the bedside table even though he was too weak to feed himself. I had known that he was going to die, but after so many years of __29____ his condition a secret．I was completely __30____when he reached his ___31___ days．__32___ and hopeless, I __33___ a woman at the nonprofit National AIDS Support．That day, she kept me on the phone for hours．I was so __34____to find someone who cared．She saved my life． I was 15 when my father died．He took his secret away with him, having never spoken about AIDS to___35____, even me．He didn’t want to call attention to AIDS．I do.
|