根据《国家安全法》，下列关于国 * * 护公民的说法不正确的是（）。 A.国家要保障公民的

第二节: 完型填空（共20小题；每小题1.5分，满分30分）

阅读下面短文，从短文后所给各题的四个选项（A、B、C、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。

One day I went into a shop for a specific sort of metal polish(擦光剂). While I was in the shop, I saw an older woman looking around at things, and thought I would begin a   31    to light things up. We   32   well and showed some of the beautiful items to each other. She said she was in the shop to purchase a wedding gift for a nephew, whose wedding she wouldn’t be able to attend.

We wandered off  33    and met together again at the cash register. I   34    on the beautiful bowl she had chosen, and how   35   so many of the items were. She asked what I was  36    , and I showed her my polish tube. I said I might buy more items when my kids had all    37    and gone, but they weren’t in my  38    right now. I just like to  39    , as I would do in an art museum.

She asked me what some of my   40    were, and I said I liked the salt and pepper shakers(搅拌器). She asked me to    41     her where the shakers were, so we walked over. She     42    my favorites and took them to the clerk.

I thought she was   43   with my taste, and was going to add them to her nephew’s     44   . No. They were purchased for me. They were worth ninety dollars. I couldn’t 45               it. She laughed and hugged me, and said her husband would   46   know, but she really enjoyed being able to do that    47    me. I never saw her again after that day,   48   I think of her each time I put those beautiful objects on my table.

Remembering that  49    helps me to stay aware and find opportunities to   50     to others, though not in quite such a grand way!

31. A. competition         B. research            C. secret                D. conversation

32. A. looked around    B. got on               C. gave up             D. watched out

33. A. helplessly            B. luckily                     C. separately          D. silently

34. A. depended            B. carried                     C. passed               D. commented      

35. A. lovely                 B. strange              C. expensive          D. terrible

36. A. expressing           B. thinking            C. purchasing         D. discussing

37. A. grown up            B. left                   C. cried                 D. returned

38. A. situation             B. budget                     C. favor                D. control

39. A. look                   B. complain           C. explain              D. challenge

40. A. favorites             B. duties                C. suggestions        D. habits

41. A. remind               B. prove                C. show                 D. write

42. A. turned down     B. picked up           C. laughed at         D. pointed out

43. A. pleased           B. busy                 C. careful                     D. bored

44. A. taste                   B. gift                   C. choice               D. basket

45. A. refuse                 B. change                     C. believe              D. solve

46. A. just                    B. never                C. even                 D. still

47. A. with                   B. like                   C. except               D. for

48. A. when                  B. but                   C. because             D. unless

49. A. experience          B. advice               C. mistake             D. danger

50. A. apply                  B. refer                 C. apologize          D. give

阅读下列说明，根据要求回答问题1～问题3。
[说明]
某系统集成商RT公司组织结构属于弱矩阵型结构，该公司的项目经理小夏正在接手公司售后部门转来的一个项目，要为某客户的企业管理软件实施重大升级。小夏的项目组由5个人组成，项目组中只有资深技术工程师W参加过该软件的开发，主要负责研发该软件最难的核心模块。根据公司与客户达成的协议，需要在一个月之内升级完成W原来开发过的核心模块。
工程师W隶属于研发部，由于他在日常工作中经常迟到早退，经研发部经理口头批评后仍没有改正，研发部经理萌生了解雇此人的想法。但是W的离职会严重影响项目的工期，因此小夏提醒W要遵守公司的有关规定，并与研发部经理协商，希望给W一个机会，但W仍然我行我素。项目开始不久，研发部经理口头告诉小夏要解雇员工W。为此，小夏感到很为难。

自律性房性心动过速心电图表现除了（）

A.P波形态多样

B.心房率常为150～200次／分

C.常出现二度房室传导阻滞

D.P波之间的等电位线存在

E.P波形态与窦性者不伺

注入水与储层不配伍则会造成吸水能力下降，注入压力（）。

A.下降

B.不变

C.上升

D.不能确定变化趋势

常见的齿轮传动有哪些形式？轴承按受力情况共有那些？