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第二节 听取信息 (共5小题;每小题1分,满分5分)

听下面一段独白。请根据题目要求,从所听到的内容中获取必要的信息,填入答题卡标号为16~20的空格中。听录音前,你将有10秒钟的阅题时间,录音读两遍。你将有60秒钟的作答时间。

             News

Teens go online
About (16) ___________ European children under 18 use Internet for school work, games and music according to research done by Netratings, whose study covered Britain, Germany, France, (17) ___________.
Chat to the magic mum
British author J.K Rowling will do an internet interview about her new book on (18) ___________.
School soldiers
Russian school students will have to do (19) ___________ in their final year of school. The lessons will include learning to (20) ___________, marching drills and how to deal with a chemical, nuclear or biological attack.

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第一节 听力理解 (5段共15小题;每小题2分,满分30分)

每段播放两遍。各段后有几个小题,每段播放前每小题有5秒钟的阅题时间。请根据各段播放内容及其相关小题,在5秒钟内从题中所给的A、B、C项中选出最佳选项,并在答题卡上将该项涂黑。

听第一段对话,回答第1~3题。

1. What are the two speakers talking about?

A. IT technology.             B. Internet businesses.       C. Marketing research.

2. What are needed to run a successful online business?

  A. Marketing and investment.

B. Idea and demand.

C. Market research and investment.

3. Which are the necessities of setting up an online shop?

  A. Domain name and website creation.

  B. Cart technology and emails.

  C. Marketing and a hosting service.

听第二段对话,回答第4~6题。

4. Who is the man?

  A. The woman’s friend.         B. A teacher.             C. The woman’s father.

5. Where did the woman live three years ago?

  A. In her own house.           B. In a student house.   `    C. With a family.

6. What is the woman’s problem in studying?

A. The course is too difficult.

B. The computer room is busy.

C. The student house is too noisy.

听第三段对话,回答第7~9题。

7. What is the relationship between Tracy and the Steins?

   A. Roomer and landlord.        B. Colleagues.            C. Neighbors.

8. Which of the following is not true according to the conversation?

  A. Tracy has just got a new computer.

  B. There were two thieves robbing the Steins last night.

  C. Tracy was told that she should lock the window at night.

9. What should Tracy not do if she sees a person out on her fire escape trying to get in?

  A. She should fight by herself. 

B. She should shout and scream.

  C. She should call the police.

听第四段独白,回答第10~12题。

10. What marks the beginning of the current crisis?

A. The Wall Street Crash. 

B. The Great Depression.  

C. The collapse of Lehman Brothers.

11. What measures have been taken?

A. Share prices have fallen hugely.

B. An emergency meeting was held.

C. A rescue plan has been taken.

12. Which is true about the crisis?

A. The 52 stock markets suffered the biggest for a month.

B. Developing countries could be hit hardest.

C. Some factories in China have been shut down due to too many orders.  

听第五段对话,回答第13~15题。

13. Why did Madame Curie go to France?

A. For further study.

B. To escape from the rule of Russia.

C. To return to her homeland.

14. With whom did Marie Curie and her husband share the 1903 Nobel Prize for Physics?

A. An American scientist.      B. A French scientist.        C. A Russian scientist.

15. Why did she name it Polonium?

A. To show her love for her motherland.

B. Because it was found in Poland.

C. To show her love for her husband.

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36. 如图所示,水平地面上有一辆小车,车上固定一个竖直光滑绝缘管,管的底部有一质量

m=0.2g电荷量q=+8×10-5C的小球,小球的直径比管的内径略小。在管口所在水平面MN的

下方存在着垂直纸面向里、磁感应强度B1=15T的匀强磁场,MN面的上方还存在着竖直向

上、场强E=25V/m的匀强电场和垂直纸面向外、磁感应强度B2=5T的匀强磁场。现让小车始终保持v=2m/s的速度匀速向右运动,以带电小球刚经过磁场的边界PQ为计时的起点,用力传感器测得小球在管内运动的这段时间,小球对管侧壁的弹力随时间变化的关系如图2所示g取10m/s2,不计空气阻力。求:

  (1) 小球进入磁场B1时加速度的大小;

  (2). 小球出管口时(t=1s)对管侧壁的弹力FN

  (3). 小球离开管口之后再次经过水平面MN时距管口的距离  △

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35.如图所示,长为R的轻绳,上端固定在O点,下端连接一只小球。小球接近地面,处于静止状态。现给小球一沿水平方向的初速度,小球开始在竖直平面内做圆周运动。设小球到达最高点时绳突然断开,已知小球最后落在离小球最初位置4R的地面上,重力加速度为g。试求:(图中所标 v0的数值未知)

(1)绳突然断开时小球的速度;

(2)小球刚开始运动时,对绳的拉力。

试题详情

34. (I)某同学利用透明直尺和光电计时器来验证机械能守恒定律,实验的简易示意图如下,当有不透光物体从光电门间通过时,光电计时器就可以显示物体的挡光时间.所用的西瓯XDS-007光电门传感器可测的最短时间为0.01ms.将挡光效果好、宽度为d=3.8×10-3m的黑色磁带贴在透明直尺上,从一定高度由静止释放,并使其竖直通过光电门.某同学测得各段黑色磁带通过光电门的时间△ti与图中所示的高度差△hi,并将部分数据进行了处理,结果如下表所示。(取g=9.8m/s2,注:表格中M为直尺质量)

 
i
(10-3s)


 
vi

(m・s-1)

 

△E ki=

△hi
(m)
Mg△hi
1
1.21
3.13



2
1.15
3.31
0.58M
0.06
0.58M
3
1.00
3.78
2.24M
0.23
2.25M
4
0.95
4.00
3.10M
0.32
3.14M
5
0.90
 
 
0.41
 

(1)    请将表格中数据填写完整.

(2)    根据该实验请你判断下列k-△h图象中正确的是

    

 

(II)、应用《伏安法测电阻》时,由于电压表、电流表内阻的影响,使得测量结果存在着误差,而按图中所示的电路进行测量,则可以避免由电压表和电流表内阻所带来的误差。电流表和电压表的量程分别用0~ 0.6A和0~ 3V档。  

①  请在下列横线上简要写出还未完成的主要操作步骤,并用字母表达相应测量值

a.闭合开关S1、S2接2,调节R´p,使电压表和电流表的读数尽可能大,读出电流表和电压表读数I2U2 b.保持Rp不变_________________________________________________________

②  请推导出待测电阻Rx的表达式           ③  用线把实物图按电路图连成测量电路,请将图中未连的线完成

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33. (16分)某有机物J(C19H20O4)不溶于水,毒性低,与聚氯乙烯、聚乙烯等树脂具有良好相容性,是塑料工业主要增塑剂,可以用下列方法合成之:

已知:

合成路线:

上述流程中:(ⅰ)反应 A→B仅发生中和反应,(ⅱ)F与浓溴水混合不产生白色沉淀。

(1)指出反应类型:反应②         反应④       

(2)写出结构简式:Y           F         

(3)写出B+E→J的化学方程式                    

(4)写出E的属于芳香烃衍生物的同分异构体的结构简式:

                                

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32.(14分)向一密闭容器中加入2molA、0.6molC和一定量的B三种气体。一定条件下发生反应,图一所示为恒容条件下各物质浓度随时间变化,图二为t2时刻后改变条件,平衡体系中反应速率随时间变化的情况,且四个阶段都各改变一种不同的条件(不同时充入反应物和生成物)。已知只有t3-t4阶段为使用催化剂;图一中t0-t1阶段c(B)未画出。

    

(1)若t­1=15min,则t0-t1阶段以C浓度变化表示的反应速率为v(C)=       

(2)t5时改变的条件为        。各阶段平衡时对应的平衡常数如下表所示:

t1-t2
t2-t3
t3-t4
t4-t5
t5-t6
K1
K2
K3
K4
K5

则K1=        (保留两位小数),K3、K4、K5之间的关系为          (用“>”、“<”或“=”连接)。

(3)t5-t6阶段保持容器内温度不变,若A的物质的量共变化了0.01mol,而此过程中容器与外界的热交换总量为akJ,写出此温度下该反应的热化学方程式

                                       

(4)在相同条件下,若起始时容器中加入a molA、bmolB和cmolC,要达到t1时刻同样的平衡状态且n(A)=1.6mol,a、b、c必须满足的条件为               

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31.(18分)硝酸铜是常用的一种无机化学试剂

(1)工业上以粗铜为原料采取如图所示流程制备硝酸铜晶体:

  ①在步骤a中,还需要通入氧气和水,其目的是     

②在保温去铁的过程中,为使Fe3+沉淀完全,可以向溶液中加入CuO调节溶液的pH,根据下表数据,溶液的pH应保持在         范围。

 
氢氧化物开始沉淀时的pH
氢氧化物沉淀完全时的pH
Fe3+
1.9
3.2
Cu2+
4.7
6.7

③在滤液蒸发浓缩步骤中,适当加入稀硝酸的作用是              

(2)某研究学习小组成员将一定质量的硝酸铜晶体[Cu(NO3)2·6H2O]放在坩埚中加热,

不同温度阶段进行质量分析,绘制出剩余固体质量分数与温度关系如右下图所示。据图回

答下列问题:

①当温度27oC<T<120oC时,反应的化学方程式为             

②剩余固体质量为38.4g时,固体成分为[Cu(NO3)2·2Cu(OH)2]。当温度120oC<T<800oC时,反应的化学方程式为  

            (此温度下,HNO3也分解)

③当剩余固体质量为21.6g时,固体的化学式为    

(3)制备无水硝酸铜的方法之一是用Cu与液态N2O4反应,反应过程中有无色气体放出,遇到空气变红棕色。反应的化学方程式是                      

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