发色底物法一般产色物质选用对硝基苯胺（PNA），游离的PNA呈黄色，测定波长为（）

成本法评估低值易耗品时，成新率应根据（）确定。

A.已使用月数

B.可使用月数

C.摊销数额

D.实际损耗程度

第二节：完形填空（共20小题；每小题1分，满分20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，选出最佳选项。

After signing the hotel visitor’s book, I went  36  up to my room which was on the third floor.  37  had I closed the door than I realized how  38  I was. And  39  when I went to bed I  40  for hours before at last falling heavily asleep. And the dream I  41  then was far worse than lying awake worrying and despairing.

I was in a large building, not unlike  42  where I would have to take the following day’s examination. People were  43  silently in all directions. A large  44  stated that the English Examinations would take place in Room 999. But where could this room be ?  45  any staircase I  46  a dark passage and walked  47  to the left where   48  was quite a very solid black door behind which I could hear people arguing with  49  in a quiet but angry voice. I wished I could ask them for some  50  ! I tried knocking on the door to draw their attention but immediately the  51  died and  52  I hurt my hand in my efforts, nobody opened the door. I then tried hard only to find my way back to  53  . But as I was wondered helplessly, a deep accusing（谴责）voice broke the deadly silence everywhere  54  the new empty building. “The examination 55 . There’s no sense in your remaining here. You are too late, too late. ”

36．A．toward     B．straight     C．immediately     D．happily

37．A．Hardly     B．No sooner C．Never       D．Seldom

38．A．happy       B．relaxed     C．tired  D．anxious

39．A．yet    B．therefore   C．so     D．thus

40．A．lied   B．laid   C．lay    D．lain

41．A．had   B．made C．did    D．dream

42．A．that   B．which       C．it       D．the one

43．A．hurrying   B．turning     C．walking     D. coming

44．A．notice       B．message    C．paper D．lecture

45．A．I hadn’t found  B．I never saw      C．Not having found    D．Not seeing

46．A．passed by  B．followed   C．went through    D. got through

47．A．forward    B．farther      C．forever     D．further

48．A．there B．it      C．this   D．that

49．A．one another      B．others       C．the other   D．the others

50．A．answer     B．advice      C．information      D．news

51．A．attention   B．information      C．key   D．voices

52．A．when B．although   C．even though     D．even if

53．A．the entrance hall      B．the hotel   C．the large building    D．the dark passage

54．A．filled       B. filled with      C．and filled              D．and filling

55．A．are late     B．had begun C．had ended D．is over

医疗器械产品注册证书有效期四年。持证单位应当在产品注册证书有效期届满前（）月内，申请重新注册。

A.一个

B.三个

C.六个

点大成片，或红或紫，摸之不碍手的是

A．疹
B．斑
C．白疹
D．痈
E．疖

腹外疝内容物最多见的是

A．小肠
B．大网膜
C．盲肠
D．结肠
E．憩室