质量为4000kg的汽车在水平公路上行驶的过程中，保持发动机的输出功率为30kW，且所受阻力恒为2000N不变，所能达到的最大速度为15m/s；当汽车的速度为10m/s时，汽车的加速度为0.25m/s²； 当汽车的加速度为1m/s²时，汽车的速度为5m/s．

下列过程中，细胞遗传物质的结构一定发生改变的是(　　)

A．细胞分裂 　　　　　　　      B．细胞分化

C．细胞凋亡                     D．细胞癌变

若直线l的极坐标方程为，曲线C：ρ=1上的点到直线l的距离为d，则d的最大值为　　．

关于门槛的叙述不正确的是

A．服务人数低于门槛，中心地难以正常运行

B．服务人数高于门槛，中心地难以正常运行 

C．服务人数高于门槛，中心地就可以获得一定的经营利润 

D．门槛是指某一级中心地正常存在所必须的服务范围或服务人数

“负面清单管理模式”是指政府给不开放的行业和受限制的商业活动列一个清单，明确告诉对方哪些领域和行业是限制或禁止外商活动的。 那么，只要未列入名单的就是法无禁止皆可为。 负面清单管理可以简化对外资进入的审批管理，同时扩大开放。 这使外资准入方面更加透明，对鼓励、吸引外商投资将起到积极作用。负面清单管理模式要求(　　)

①政府要加强行政管理体制改革，积极转变职能　②建立国际新秩序，为我国实施“走出去”战略创设良好的国际环境　③政府要坚持依法行政，做到法定职责必须为、法无授权不可为　④政府要切实履行社会职能，加强对市场主体经济行为的市场监管

A．①④              B．②④            C．②③             D．①③

形成陆地环境地域差异的基本因素是

A．热量和水分         B．土壤和植被         C．地形和水文       D．资源和环境

35．国际货币基金组织（IMF）认为：经济全球化是指跨国商品与服务贸易及资本流动规模和形式的增加，以及技术的广泛迅速传播使世界各国经济的相互依赖性增强。下列对经济全球化起阻碍作用的是

A．信息技术    B．跨国公司      C．两极格局     D．世界市场

某做匀加速直线运动的物体，设它运动全程的平均速度是V₁，运动到中间时刻的速度是V₂，经过全程一半位置时的速度是V₃，则下列关系中正确的是（　　）

居民购买节能灯，政府补贴一半钱，2012年，国家继续施行高效照明产品财政补助政策，并且有望再推行两年。上述举措属于国家宏观调控的

A. 经济手段，通过价格监管规范企业生产行为

B．经济手段，通过经济利益影响市场主体行为

C．法律手段，通过完善法律制度正确引导消费

D．行政手段，通过行政命令促进产业结构调整

根据麦可思对往届大学毕业生的抽样研究，部分行业存在女性准入歧视。就业歧视侵犯了劳动者（   ）

A.平等就业和选择职业的权利

B.取得劳动报酬的权利

C.提请劳动争议处理的权利

D.获得劳动安全卫生保护的权利

下列实验操作中，完全正确的一组是（　　）

①用试管夹夹持试管时，试管夹从试管底部往上套，夹在试管的中上部

②给盛有液体的体积超过1/3容积的试管加热

③把鼻孔靠近容器口去闻气体的气味

④将试管平放，用纸槽往试管里送入固体粉末，然后竖立试管

⑤取用放在细口瓶的液体时，取下瓶塞倒放在桌面上；倾倒液体时，瓶上的标签对着地面

⑥将烧瓶放在桌上，再用力塞紧塞子

⑦用坩埚钳夹取加热后的蒸发皿

⑧将滴管垂直伸进试管内滴加液体

⑨稀释浓H₂SO₄时，把水迅速倒入盛有浓H₂SO₄的量筒中

⑩检验装置的气密性时，把导管的一端浸入水中，用手掌贴住容器的外壁或用微火烘烤

A． ①④⑦⑩    B． ①④⑤⑦⑩    C． ①④⑤⑦⑧⑨    D． ④⑤⑦⑧⑨

在光合作用过程，能正确反映能量流动途径的是

  A．光能→ATP→葡萄糖          B．光能→绿素→葡萄糖

  C．光能→C，化合物→葡萄糖    D．光能→CO₂→葡萄糖

有人对“打的”现象作过一个形象的描述：青年人没钱也“打的”，中年人有钱才“打的”，老年人有钱也不“打的”。这主要反映了

A．消费观念的差异　　　　　　　　　　　B．物价水平的限制

C．生活水平的提高　　　　　　　　　　　D．社会经济的发展

下列各组中不属于相对性状的是

A.骆驼的长毛与细毛

B.豌豆的紫花和红花

C.西红柿的抗病与易染病

D.水稻的早熟和晚熟

阅读材料，回答问题。

“无车难有车烦”，时下许多城市有车族发出感叹。下面请看市民小张一家的烦恼：

烦恼一：小张每天开车上下班几乎要“朝五晚九披星戴月”，用2个小时才能跑完1小时的车程，原因：堵车。

烦恼二：虽然家住十二楼，但小张一家都不敢开窗，街上车来往的声音和尾气实在使人难受，原因：污染。

小张因此“上书”市政府，要求政府采取措施为其解除烦恼，请你从政治生活角度：

（1）运用政府的有关知识说明政府应该采取措施的理由。

（2）提醒小张“上书”应注意哪些事项？

Ways to Create Quality Time with Your Kids

Children are a reward from the Lord according to the Bible. I have certainly found that to be true. ___36___ In spite of a tight schedule, I do several things to develop my relationships with my kids.

1. Take one child along on a short trip.

Last year I had a lecture in Kamloops, and I took my daughter Hannah with me. The time we spent together in the car that day was invaluable, and now she always asks me, “Dad, when are we going to go on a trip together again？”     ___37___

2.  ___38___

I try to have regular dates with each of my children. Like my wife, they deserve to have my attention every once in a while. I build the time around them, doing things they enjoy and just walking together.

3. Eat one meal together each day.

In our home breakfast is chaos, and by lunchtime we are not at home. But as much as possible we try to have dinner as a family.  ___39___  It's our chance to celebrate victories, and to help each other through the tough things.

___40___I picture myself taking aim, pulling back the bow and sending them into the world. The target that they hit depends largely on the amount that I put in them today. Does it make effort? Yes. Are there tough choices sometimes？Yes. Is it worth it?  Certainly!

A. Put their activities into your schedule.

B. Take them on dates.

C. Focus on your children.

D. The Bible speaks of children as arrows.

E. This is our time to reconnect and recharge after a busy day.

F. I've also found it's important to find the time to give each child the attention they need.

G. A one­or­two day trip like this is a great chance for you to connect with one of your kids.

29、下图所示的会议在新中国民主政治建设中具有里程碑意义，下列各项中属于这次会议成果的是（   ）

①通过《中国人民政治协商会议共同纲领》

②通过新中国第一部社会主义类型的宪法

③首次提出多党合作和政治协商制度

④选举产生新的党和国家领导人

A．①②     B．②④    C．①②③    D．②③④

Margie was the best hostess. She greeted everyone at the door, and she   41   candies and offered drinks. Margie   42   that everyone had a good time and that absolutely everything was   43  . But this was not Margie’s party. She was a   44   at the party like everyone else, and yet she acted as if she owned the   45  . She wants to be   46   and needs to be in control. I used to be like Margie,   47   to control the uncontrollable. I felt   48   the feelings and actions of the people around me. My body ached due to the weight I put on my own   49  .

One day while I was out with a friend, I realized how far my desire for   50   had gotten. As I Liked to my friend, a stranger’s towel was blown away. I   51   in vain for the towel. My friend called me on it and I   52   realized the extent (程度) my sense of responsibility had gotten. Realizing I was   53   living my life, I had to make a(n)   54  .

If we turn to   55  ,we see that it does not fight for control. A stream does not try to   56   its own course; water simply flows the path of least resistance (阻力). A   57   does not create an exact flight plan; a plane trusts its inner guidance system and adapts   58   to new wind currents (气流).

Next time you try to control the uncontrollable, take a breath.   59   and wait. You will find things can be better, with less effort, and in   60   ways you could not have imagined. And you will find a love of life again.

41. A. bought                            B. produced                       C. collected                        D. passed

42. A. admitted                   B. remembered                  C. ensured                         D. recognized

43. A. perfect                            B. different                         C. convenient                           D. cheap

44. A. customer                  B. guest                             C. servant                          D. neighbor

45. A. place                        B. company                        C. team                              D. land

46. A. in secret                   B. in time                                   C. in order                         D. in charge

47. A. helping                            B. agreeing                        C. trying                             D. learning

48. A. angry about                    B. responsible for                     C. content with                   D. sensitive to

49. A. shoulders                 B. sides                              C. dreams                          D. feet

50. A. energy                            B. wealth                                   C. happiness                            D control

51. A. asked                       B. begged                          C. rushed                                  D. waited

52. A. finally                       B. frequently                      C. totally                                   D. unfortunately

53. A. often                        B. nearly                                   C. just                                D. seldom

54. A. change                           B. promise                         C. order                             D. report

55. A. money                      B. space                                   C. nature                                  D. society

56. A. carry                        B. offer                               C. invite                             D. direct

57. A. train                         B. tree                                C. bird                                D. plane

58. A. suddenly                  B. eventually                      C. possibly                         D. easily

59. A. Struggle                   B. Relax                             C. Return                                  D. Decide

60. A. interesting                B. amazing                         C. exciting                          D. confusing

下列关于原电池的叙述中，正确的是（   ）。

A．原电池负极发生的电极反应是还原反应

B．原电池是将化学能转化为电能的装置

C．原电池在工作时其正极不断产生电子经外电路流向负极

D．原电池的电极只能由两种不同的金属构成

自治权是民族区域自治制度的核心内容。下列关于民族自治地方自治权的表述正确的是

  A．少数民族都能享有民族自治地方的自治权   

  B．民族自治地方的自治权其实质是高度自治

  C．民族自治地方的自治权由民族自治地方的人民政府、法院共同行使

  D．民族自治地方的自治权由民族自治地方的人民代表大会和人民政府行使