问题 单项选择题

下列CT影像中,最支持胰腺癌诊断的是

A.胰周及腹腔渗出,胰腺实质内有不规则低密度区,强化后低密度区增强不明显
B.胰头有3cm×4cm不均匀低密度区,强化后有不均匀增强
C.胰头部增大,密度与其他部位胰腺组织密度一致,胰周界限模糊
D.胰头均匀低密度区,CT值10HU,不被强化,胰体尾萎缩,胰管扩张
E.胆管扩张明显,胆总管下端可见2cm×1cm的极强密度区

答案

参考答案:B

解析:[解释] CT显示胰头部有3cm×4cm不均匀低密度的肿物影,并呈不均匀增强,符合胰头癌表现。胰周及腹腔渗出、组织密度一致、低密度区CT值10HU、胆总管下端极强密度影像等,分别支持炎症、增生、囊肿、结石等的诊断。

单项选择题 案例分析题
完形填空

第二节:完形填空(共20小题;每小题1.5分,满分30分)

阅读下面短文,掌握其大意。然后从36-55各题所给的选项中,选出最佳选项,并在 

The car, running along the well-lit road now sank in darkness. I broke the   36   on purpose,   37   that the driver was too tired to drive. “When do you go back home in the evening?”“9 o’clock after this    38  .”“Then when do you come out in the morning?”I    39   another question. “9 o’ clock, too—just as if I worked at an office.” His   40   surprised me, because every time I ride a taxi, what I   41   from the driver are only complaints that they have to work from morning till night, it’s hard to earn money, they’re often   42   by the police, or that their leaders are seated lazy,   43   the fruits. But this driver told me, “ I find it   44  to be a section chief as I was before. I like driving just for    45  . It’s fortunate that I hardly drive   46   a passenger. So I earn two or three thousand Yuan a month with ease. Yes, I never   47  an empty taxi. If it goes southward, I go northward. If it goes along a    48  , I turn into a narrow street…”

His words showed his    49   with his life and the pride he   50   in his job Such feelings are so rare among people nowadays as oxygen in high    51  。As an

ancient saying goes,“Neither joy in material   52   nor grieve(痛苦) over Personal setbacks.”How many people nowadays can show high ideals by  53   living and go far

with a calm mind? I couldn’t help feeling  54   when finding such a state of mind

in a stranger on a cold    55  .

36.A.window     B.stillness       C.silence      D. quietness

37.A.on condition  B.for fear       C.in belief     D. in order

38.A. night         B.trip          C.cycle       D. process

39.A.threw out    B.gave away     C.made up     D. led to

40.A.character    B.confidence     C.attitude      D. easiness

41.A.suffer       B.request       C.benefit       D.hear

42.A.detected    B.ordered       C.fined        D.seized

43.A.keeping     B.tasting        C. enjoying      D.choosing

44.A.exciting     B.disappointing  C.tiring        D. amazing

45.A.freedom     B.pleasure      C.hobby        D. company

46.A.without     B. with          C.behind       D.beside

47.A .follow       B. admire         C.envy         D. meet

48.A.route       B.path          C.railway       D.highway

49.A.intelligence  B.satisfaction    C.competition   D.honesty

50.A.made       B.held          C.caught      D.took

51.A.buildings    B.mountains     C.standard      D.heaven

52.A.gains       B.concerns      C.supports      D. loss

53.A.special      B.happy        C.simple        D. original

54.A.angry       B.content       C.dangerous     D. curious

55.A.morning     B.night         C.moment      D.season