CR经X线照射后在影像板存留的是() A.模拟影像 B.数字影像 C.黑白影像 D.

题型:单项选择题

问题:

CR经X线照射后在影像板存留的是()

A.模拟影像

B.数字影像

C.黑白影像

D.彩色影像

E.电信号

考点:放射医学技术(医学高级)放射医学技术综合练习放射医学技术综合练习题库
题型:单项选择题

阅读下面短文,从短文后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.

“Down-to-earth” means someone or something that is honest, practical and easy to deal with. It is   36  to find someone who is down-to-earth. A person who is down-to-earth is easy to talk to and   37  other people as equals. A down-to-earth person is just the   38  of someone who acts important and proud.

Down-to-earth persons   39  be important members of society, of course.   40  they do not let their importance “go to their heads”. They do not   41  themselves to be better persons than others of less importance. Someone who is filled with his own importance and pride, often without cause, is   42  to have “his nose in the air”. There is   43  way a person with his nose in the air can be down-to-earth.

Americans   44  another expression that means almost the same as “down-to-earth”. The expression is “both-feet-on-the-ground”. Someone with both-feet-on-the-ground is a person with a good   45  of reality. He  46  what is called “common sense”. He may have   47 , but he does not allow them to   48  his knowledge of what is real.

The opposite kind of   49  is one who has his “head-in-the-clouds”. A man with his-head-in-the-clouds is a dreamer whose   50  is not in the real world.

  51 , such a dreamer can be brought back to earth.   52  words from a teacher can usually bring a day-dreaming student down-to-earth..

Usually, the person who is down-to-earth is very   53  to have both feet on-the –ground.   54  we have both our feet on-the –ground, when we are down-to-earth, we act honestly and openly   55  others. Our lives are like the ground below us, solid and strong.

36. A.pleasant       B.sad           C.common          D.surprising

37. A.meets          B.welcomes     C.receives        D.accepts

38. A.case           B.kind         C.opposite        D.example

39. A.must           B.may          C.should          D.will

40. A.But            B.So           C.For             D.And

41. A.wish           B.expect       C.desire          D.consider

42. A.said           B.told         C.asked           D.made

43. A.some           B.a            C.no              D.every

44. A.discover       B.find         C.make            D.use

45.A.understanding  B.wish         C.reason          D.expectation

46. A.demands        B.lacks        C.has             D.likes

47. A.fortunes       B.dreams       C.achievements    D.disadvantages

48. A.block          B.protect      C.own             D.gain

49. A.idea           B.people       C.attitude        D.person

50. A.mind           B.life         C.body            D.head

51. A.Always         B.Therefore    C.However         D.Sometimes

52. A.Sharp          B.All          C.No              D.Bad

53. A.possible       B.probable     C.likely          D.able

54. A.Though         B.Since        C.When            D.Unless

55.A.toward          B.for          C.over            D.onto

题型:单项选择题

在下列事例中,能看到物体实像的是 [ ]

A. 欣赏鱼缸中的鱼

B. 用放大镜观察植物的胚芽 

C. 看电影

D. 看到小孔成像

题型:单项选择题

用你在“探索与发现”中得到的规律计算下面各题.

125×26×8

105×34-5×34

150÷25.

题型:单项选择题

高炉实际操作中通常以()来表示煤气利用率。

题型:单项选择题

下面哪一项不属于血浆代用品等胶体溶液的特点

A.容量扩张效力大

B.半衰期长

C.分子量大

D.提供机体热量

E.具有丁铎尔效应

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