X线钡餐检查见食管狭窄,黏膜消失,管壁僵硬,狭窄与正常食管段逐渐过渡,边缘整齐,无钡

题型:单项选择题

问题:

X线钡餐检查见食管狭窄,黏膜消失,管壁僵硬,狭窄与正常食管段逐渐过渡,边缘整齐,无钡影残缺征,可能为()

A.食管癌

B.胃食管返流病

C.食管良性狭窄

D.纵隔肿瘤

E.食管平滑肌瘤

考点:中西医结合内科(医学高级)中西医结合内科综合练习中西医结合内科综合练习题库
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One Saturday afternoon, Sarah went to buy something for her sister and herself. As Sarah was coming out of a   46 , a young lady walked towards her. She said she was Miss Green—a good friend of Sarah’s sister’s. Sarah   47 her. Then she called a taxi to send Sarah home. She told the driver where he should go. Sarah was   48 that it was not in the direction of her home.
“Why?” Sarah asked. The lady smiled.
When they came to a quiet road, a big rough man   49  on the road. He stopped the taxi driver, knocked him down, tied him and threw him out of the taxi. At the same time, Miss Green took out a knife and   50  Sarah. She asked Sarah to keep   51 . The man then started the taxi. “ Oh, God! I’m being kidnapped(绑架),” Sarah said to herself.
She tried to escape, but not succeeded. Suddenly an   52  came to her. She took out a lipstick(口红) from her pocket, wrote “SOS” on the window, and covered the word with her
  53 . A few minutes later, a police car passed and the policemen saw the   54 . When the kidnappers saw the policemen, they stopped the taxi, jumped into the grass, and ran away.
The policemen then picked up Sarah and sent her home. When her parents knew what had happened, they were greatly surprised. But they were also   55  because their daughter had finally come back safely.
小题1:
A.schoolB.taxiC.shopD.friend’s
小题2:
A.knewB.believedC.thankedD.remembered
小题3:
A.surprisingB.excitedC.surprisedD.pleased
小题4:
A.droveB.climbedC.fellD.appeared
小题5:
A.helpedB.playedC.savedD.frightened
小题6:
A.healthyB.aliveC.relaxedD.quiet
小题7:
A.ideaB.answerC.interest D.order
小题8:
A.fingersB.backC.dressD.lipstick
小题9:
A.pictureB.mapC.signD.knife
小题10:
A.worriedB.happyC.afraidD.successful
题型:单项选择题

函数f(x)=lg(1+2cosx)的定义域是______.

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除去下列物质中混有的杂质,所选用的试剂及操作方法均正确的是

 物质杂质除杂质选用的试剂和操作方法
ACO2CO通入O2,点燃
B二氧化碳氯化氢气体通过氢氧化钠溶液
CCu(NO3)2溶液AgNO3溶液加入过量的铜粉,过滤
D碳酸钙氯化钙加入足量的水溶解,过滤、洗涤、干燥
 

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  “体育有无必要参加中考”,向来是学生们议论的话题,至今争论不休,意见难以统一。下面是甲方同学的一段辩词:

       体育作为中考科目,完全多此一举:其一,体育仅占35分,可同学们为了这点分数,付出了很多锻炼时间,大大影响了其它学科的学习。其二,体育中考成绩对于升学没有太大的参考价值,绝大部分同学都能拿到满分,要么提高标准,增加区分度,否则不如不考。

       如果你是乙方的主辩,你怎样针对对方的观点,进行反驳,表述你的理由:                                                           

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焊、割炬由于焊嘴过热,混合气体受热膨胀,压力(),流动阻力增大而造成回火。

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