问题
单项选择题
不属于胃食管反流的病因是
A．下食管括约肌张力低下
B．胃排空加快
C．频发的下食管括约肌一过性松弛
D．食管裂孔疝
E．食管与胃间夹角变钝
答案
参考答案：B
解析：胃排空能力低下，使胃内容物及其压力增加，当胃内压增高超过LES压力时可使LES开放。
搜题请搜索小程序“爱下问搜题”
不属于胃食管反流的病因是
A．下食管括约肌张力低下
B．胃排空加快
C．频发的下食管括约肌一过性松弛
D．食管裂孔疝
E．食管与胃间夹角变钝
参考答案：B
解析：胃排空能力低下，使胃内容物及其压力增加，当胃内压增高超过LES压力时可使LES开放。
完形填空。从A、B、C、D四个选项中选择能填入空白处的正确答案，并将其字母代号填入答题卷相应空格内。 Once a man and his wife worked for an old man. There was a big box in the old man’s living room. The old man pointed to the 1 and said, “ There’s only one thing you mustn’t do. 2 open the box.” After saying this, he left his home. The woman said to her husband, “ There 3 be something expensive in the box. Let’s open it, shall we?” Her husband said no 4 her. But the woman didn’t give up the idea. One day, she decided to find out 5 was in it. Her husband didn’t stop her. She 6 the box and looked inside. To her surprise, she found nothing in the box. She tried hard to close it, 7 she failed. That evening the old man came home and found the box open. He was 8 and asked the woman and her husband to leave his home. “ But there was nothing in the box,” the woman said “ We haven’t taken 9 at all.” The old man shouted at them. “ The box is not important, but I can’t 10 you. That’s important!’’
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