简述丝光工艺条件。

保护器的工作原理是什么？

第二节完型填空（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，并在答题卡上将该项涂黑。

When Winsion Chruchill was a young man, his father concluded that Churchill was “unfit for a career in law or politics” because he did so badly in school.

When Charles Darwin was getting ready to  36  on his five-year expedition on The Beagle, his father was extremely  37  . he thought his son was falling into a life of sin and idleness.

Gorge Washington’s mother was a complaining,   38  woman by all accounts. She thought little of Washington’s achievements and didn’t   39  at either of his presidential inaugurations（就职典礼）. She was always  40  that her children overlooked her and she was especially angry when her son George ran off to  41  the army for the American Revolution. She   42  believed it was his duty to stay home and take care of her.

In his youth, the  43  Leonard Bernstein, one of the most talented and successful composers in American history, was continually pressured by his father to  44  his music and do something worthwhile, like help out in his family’s beauty-supply business. After Leonard became  45  , his father was asked about that, and he answered, “Well, how was I supposed to know he was the Leonard Bernstein?”

People may criticize you or make fun of your ideas or actively try to  46  you. Often their efforts are only attempts to protect you from  47  . But obviously failure is only a possibility if you stop. If you keep  48  , a “failure” is just another learning  49  . Besides, giving up on a heartfelt goal is worse than failing. “Many people die”, said Wendell Holmes, “with their  50  still in them.” That’s true tragedy.

So listen  51  to the worries and criticisms of your friends and family, and do your best to put their minds  52  , but then carry on. Listen last to your own heart. You   53  yourself better than anyone on earth. Make sure your song is  54  .

Listen to your own heart. Don’t let your music   55  with you.

36．A．set sail         B．take charge      C．make progress  D．set examples

37．A．excited        B．pleased        C．disappointed     D．affected

38．A．self-confident   B．self-centered    C．kind-hearted     D．cold-blooded

39．A．show off      B．show up       C．pick out       D．pick up

40．A．claiming      B．expecting     C．complaining     D．declaring

41．A．fight         B．beat          C．attend          D．command

42．A．foolishly      B．secretly        C．bravely        D．honestly

43．A．late          B．latter         C．former         D．later

44．A．take up        B．give up        C．pick up        D．bring up

45．A．proud          B．diligent        C．professional     D．famous

46．A． advise        B．suggest        C．stop          D．keep

47．A．failure        B．success        C．stop          D．keep

48．A．stopping      B．starting        C．going              D．coming

49．A．method        B．experiment       C．approach      D．experience

50．A．music          B．article          C．movie          D．poem

51．A．politely       B．rudely         C．responsibly      D．actively

52．A．in order       B．at case         C．in use          D．at war

53．A．trust         B．believe        C．know         D．doubt

54．A．finished       B．completed     C．written        D．sung

55．A．live          B．die           C．sound          D．play

营业员交接班时，应填写《交接班登记簿》，对重要空白凭证应当面眼同（）。

A.查验

B.点数

C.签收

D.以上都是

硝酸异山梨酯属（）

A、抗心律失常药

B、调血脂药

C、抗心功能不全药

D、抗心绞痛药

E、麻醉性镇痛药

肾小体血管球的血管是（）。

A.血窦

B.有孔毛细血管

C.连续毛细血管

D.毛细血管后微静脉

E.以上都不是