问题 多项选择题

慢性化脓性骨髓炎MRI的影像表现有()

A.慢性化脓性骨髓炎骨质增生、硬化、死骨和骨膜反应T1WI和T2WI上均为低信号

B.瘘管在T1WI上呈稍高信号,T2WI上呈高信号

C.肉芽组织和脓液在T1WI上为低或稍高信号,T2WI呈高信号

D.骨质增生、硬化、死骨均为低信号,骨膜反应在T1WI为低信号,T2WI上为高信号

E.瘘管依层面及方向不同,可表现为:点状或不规则粗细不均的索条影从骨内脓腔向皮肤表面伸延

答案

参考答案:B, C, E

选择题
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各题所给的四个选项(A、B、C和D)中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。

I really hated having to ask questions, for math is very difficult for me, so I don’t know why I thought I could take classes in pre-calculus in my junior year.

I like Mr Trout, his values and what he believed in   36   a teacher. He wanted us to really   __37   what we were doing. I respected that, but all the numbers were still so   38   to me. I studied endless hours, and it   39   at first, until the algebra(代数)was over. That was   40   I learned how to ask for help on something as silly as   41   problems. I realized that the only 42_   I would survive pre-calculus would be to   43   a tutor.

Oh, how I   44   having to tell my parents that I needed a tutor. I felt so   45  .

Mr Hicks came to my house the next week. I   46   how I was going to bring myself to ask this man questions. But he   47   took his pen and paper out, asked me what chapter we were  __48  , and began to teach.

It was amazing. I began to understand math. I did example   49   with him, worked them out several times until I understood the process. I didn’t feel   50  asking questions because it was helping.

Asking for help was not what I thought it would be.    51   , it was a very good thing. I actually felt smarter for it, and it was a really satisfying   52  . In fact, I plan on asking for help as   53   as possible. But I have found that I can still be   54  and ask for help when I need it. The only stupid question is the one you didn’t   55  .

36. A. as        B. with         C. for       D. like

37. A. count       B. repeat       C. practice   D. understand

38. A. puzzling      B. increasing    C. limited    D. unknown

39. A. stopped     B. remained     C. worked    D. succeeded

40. A. what        B. when       C. where      D. whether

41. A. practical      B. difficult      C. math       D. science

42. A. period     B. result       C. key       D. way

43. A. become     B. make       C. get       D. help

44. A. hated       B. enjoyed       C. admitted   D. considered

45. A. hopeful     B. weak        C. patient     D. lonely

46. A. decided     B. feared       C. imagined        D. wondered

47. A. almost     B. just          C. even        D. finally

48. A. on        B. from       C. about       D. below

49. A. experiments B. explanations  C. problems        D. figures

50. A. afraid      B. certain            C. mad            D. stupid

51. A. Anyway       B. Instead        C. Otherwise  D. Besides

52. A. subject     B. duty         C. form       D. feeling

53. A. long        B. early        C. often       D. soon

54. A. independent B. comfortable        C. gifted      D. delighted

55. A. think       B. want        C. feel       D. ask