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  surf 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.”
小题1:
A.armsB.earsC.eyesD.teeth
小题2:
A.laugh B.cryC.smileD.shout
小题3:
A.oldB.easyC.modernD.difficult
小题4:
A.becauseB.ifC.untilD.although
小题5:
A.hisB.myC.theirD.our
小题6:
A.happyB.relaxedC.lonely D.surprised
小题7:
A.failedB.forgotC.helpedD.learned
小题8:
A.evenB.everC.neverD.hardly
小题9:
A.tallB.lazyC.sleepyD.excellent
小题10:
A.how B.whoC.what D.where
小题11:
A.doctorsB.speakersC.scientistsD.managers
小题12:
A.atB.forC.intoD.against
小题13:
A.makeB.haveC.lose D.want
小题14:
A.storyB.sadnessC.friend D.family
小题15:
A.fallB.playC.listenD.exercise
单项选择题