2009年我国海域使用权证书发放5327本，确权使用海域面积17.8万公顷。海洋第一

PFD/ND转换电门位于（）

A.前遮光板左右

B.主仪表板左右

C.主仪表板中央

D.顶板左右

请结合下列实验常用装置，回答有关问题。

（1）写出图中标有字母的仪器名称：a           。

（2）若用高锰酸钾制取氧气，应选用的发生装置是              （填装置编号），在加入药品前，应首先          ，反应的化学方程式是                      。若要获得干燥的氧气，除发生装置外，还应选用D装置，并在该装置中盛放       （填写试剂名称）。如果用E装置收集该气体，则气体从      端进入（填“m”或“n”）。

（3）实验室用过氧化氢溶液和二氧化锰粉末制取氧气，        （填“能”或“不能”）用C装置控制反应的发生与停止。

（4）实验室用石灰石和稀盐酸反应制取二氧化碳，选用发生装置B时长颈漏斗末端要伸入液面以下的理由是                             。

下列符号，表示1个氢分子的是

A．H

B．H⁺

C．H₂

D．2H

第二节完形填空(共20小题；每小题1分，满分20分)

   请认真阅读下面短文，从短文后各题所给的A、B、C、D四个选项中，选出最佳选项，并在答题卡上将该项涂黑。

We all have dreams. Yet so few of us realize them. Often, a dream dies as quickly as it is born  36  we lack the confidence to keep it. When I was old enough, I realized that society puts a high   37  on youth, beauty and intellectual achievement. This discovery gave me some idea to   38  my dream.

I know beauty is something I will never have. But I didn’t see it as something   39  because it forced me to concentrate my energy to develop my   40  qualities. What people see in the handicapped（残疾）is only their   41  of being handicapped. People are not impressed with the ability that lies   42  every handicapped person.

My dream was   43  . I dreamed of becoming a typist. The employment field was a highly   44  place. It gave not only competition to a handicapped job – seeker but also the unfriendly treatment from the   45  strong and healthy. They see the handicapped as the back row of   46  .

However, I   47  to sit in the back row. I decided to take a course. When I handed application form to the interviewer, she looked at me and advised me to   48  my choice from typing. But I was   49  to stay with it. She accepted me.

On the fifth month of the six-month course, five students were chosen to do some copy typing. I was one of them. I was very   50  and finished half of the work given to us all. More work came to me after this test. I could see quite clearly the way to   51  my dream. I became a typist in one of the offices immediately after my graduation. I did not   52  starting at the bottom of the ladder. Being a   53  was just the beginning. Having achieved one dream, I set out to achieve others. There was no easy task. But the sacrifice proved   54  .

Dreamers should keep reaching out for their dreams,  55  what the pain, until they get what they want in life.

36．A．even if       B．because     C．although     D．unless

37．A．standard      B．view       C．value        D．measure

38．A．develop      B．realize      C．keep         D．have

39．A．favorable     B．unusual      C．beneficial      D．bad

40．A．other        B．special       C．unique      D．outstanding

41．A．pain        B．misfortune      C．appearance     D．sufferings

42．A．outside      B．inside         C．beyond      D．beside

43．A．fantastic     B．complicated     C．acceptable     D．simple

44．A．competitive      B．valuable      C．mysterious     D．adventurous

45．A．originally      B．extremely       C．physically      D．fortunately

46．A． seats       B．society       C．jobs       D．community

47．A．had        B．continued      C．meant     D．refused

48．A．change     B．ignore      C．confirm      D．prevent

49．A．willing      B．reluctant     C．determined      D．glad

50．A．happy     B．efficient     C．developing     D．excited

51．A．achieving      B．changing      C．developing     D．enjoying

52．A．avoid     B．risk       C．consider        D．mind

53．A．officer      B．ladder      C．typist       D．dreamer

54．A．disappointing      B．rewarding     C．encouraging      D．satisfying

55．A．no sooner    B．no wonder     C．no longer      D．no matter

《新华字典》是我国第一部现代汉语规范字典，由我国著名的语言学家魏建功______，______，正因为是“大家编小书”，才使得一本小小的工具书历经数十年而不衰。
填入横线部分最恰当的一项是( )。

A．牵头 编著
B．主持 编著
C．牵头 编纂
D．主持 编纂