免疫法隐血试验适于检验的疾病是（）。 A.消化性溃疡 B.结肠息_爱下问搜题

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问题单项选择题

免疫法隐血试验适于检验的疾病是（）。

A.消化性溃疡

B.结肠息肉

C.门静脉高压

D.急慢性胃炎

E.胃癌

答案

参考答案：B

解析：

消化道出血后（特别是上消化道出血），血红蛋白在胃肠道中被消化酶及细菌作用后分解，使血红蛋白免疫原性减弱、消失或改变而出现假阴性，故免疫法主要用于下消化道出血检验。上述选项中结肠息肉属于下消化道出血，其他选项均属于上消化道出血。

完形填空

IMAGINE a life without arms or legs! You can’t hold anyone in your 26 . You can’t walk anywhere with your feet. How would you last a day like that? Would you 27 at yourself in the mirror like Nick Vujicic, the 29-year-old Australian?
Nick was born without limbs（四肢）, so life was not 28 for him. At school many students played jokes on him 29 he looked different from everyone else. He was refused to be 30 friends, so he always felt 31 . However, he faced that bravely. He 32 to type and write with two toes（脚趾）at the age of six, and he could 33 s

urf and play golf. In college, he achieved great success and was among the   34  students in the studies. And he decided on   35  to do later in his life—to encourage others to work hard for their dreams.
Now Nick is one of the most popular   36  in the world. He travels to many countries and gives speeches about his story   37  difficulties. “Living life fully is about looking at what you   38 , not what you don’t have.” he said. His   39  encourages millions of people.
“I tell people to keep on getting up when they   40  and to always love themselves,” he said. “If I can encourage just one person, then my job in this life is done.”

单项选择题

不单独作为自控系统设备台件统计的有（）

A.球标

B.触屏

C.稳压电源

D.外置式光驱