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第二节 听取信息 (共5小题;每小题1分, 满分5分)

听下面一段对话。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。

Computers currently in stock

Models
Country
Purpose
Price
  16 
Malaysia
Most people use it to  17   that need a lot of memory
12,000 yuan
Sun Flower
Japan
  18   or listen to music
8,900 yuan
Silver Fox
  19 
Surf the Internet and type documents
  20   yuan

试题详情

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,各段播放前每小题有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1段对话,回答第1至3三个小题。

1. Where does the talk take place?

A. At the boy’s home.   B. At the girl’s home.      C. At Robert’s home.

2. What are the speakers doing?

A. Getting ready to go out to a party.

B. Preparing for their friend’s birthday.

C. Finishing their history project.

3. What do the speakers think of Robert?

  A. Helpful.   B. Humorous.    C. Mature.

听第2段对话,回答第4至第6三个小题。

4. What was the woman’s problem?

A. She was unable to attend her psychology class.

B. Her presentation received a poor grade.

C. She felt embarrassed talking in public.

5. Why might looking at the exit sign help the woman?

A. She’d be able to leave quickly.

B. She’d be less nervous.

C. She’d know when her professor arrived.

6. What does the man say about children?

A. They become nervous more easily than women do.

B. They’re uncomfortable performing in front of adults.

C. They become nervous less frequently than adults do.

听第3段独白,回答第7至第9三个小题。

7. Who are the people listening to this talk?

A. School students.     B. Adult cooking students.    C. TV watchers.

8. What is used to make the bananas creamy?

A. An electric mixer.    B. A wooden spoon.   C. A large bowl.

9. Why is butter placed on the bottom of the baking dish?

A. To give the cake more flavour.

B. To stop the cake sticking to the dish.

C. To help the cake bake faster.

听第4段对话,回答第10至第12三个小题。

10. Why doesn’t the woman like the red skirt?

A. It is too short.

B. It makes her feel hot.

C. It is made of cotton.

11. What colour is the jacket the woman finally chooses?

A. Pink.  B. Black.   C. Green.

12. How does the man feel about the woman’s decision?

A. He is happy because he likes the clothes.

B. He is bored because he dislikes choosing clothes.

C. He is upset because the clothes are expensive.

听第5段独白,回答第13至第15三个小题。

13. What is the purpose of this talk?

A. To teach students how to study better.

B. To attract teachers to work at the City Study Centre.

C. To encourage parents to send their children to the Centre.

14. What are the advantages of the Centre?

A. Small classes and higher marks guaranteed.

B. Best teachers and convenient class time.

C. Convenient location and efficient teaching methods.

15. What else can students do in the Centre?

A. To meet with other local students.

B. To take part in dancing competitions.

C. To go on some camping trips.

试题详情

36.   (18分)如图所示,质量为M=4kg的木板静止在光滑的水平面上,在木板的右端放置一个质量m=1kg大小可以忽略的铁块,铁块与木板之间的摩擦因数μ=0.4,在铁块上加一个水平向左的恒力F=8N,铁块在长L=6m的木板上滑动。取g=10m/s2。求:

(1)经过多长时间铁块运动到木板的左端.

(2)在铁块到达木板左端的过程中,恒力F对铁块所做的功.

(3)在铁块到达木板左端时,铁块和木板的总动能.

广东省广州市2010届高三上学期调研测试

试题详情

35.   (18分)如下图所示,在xoy直角坐标系中,第Ⅰ象限内分布着方向垂直纸面向里的匀强磁场,第Ⅱ象限内分布着方向沿y轴负方向的匀强电场。初速度为零、带电量为q、质量为m的离子经过电压为U的电场加速后,从x上的A点垂直x轴进入磁场区域,经磁场偏转后过y轴上的P点且垂直y轴进入电场区域,在电场偏转并击中x轴上的C点。已知OA=OC=d。求电场强度E和磁感强度B的大小.

试题详情

34.   (18分)

(1)如下图(1)-a所示,用铁架台、弹簧和多个已知质量且质量相等的钩码,探究在弹性限度内弹簧弹力与弹簧伸长长度的关系实验.

①为完成实验,还需要的实验器材有:                

②实验中需要测量的物理量有:                   

③图(1)-b是弹簧所受弹力F与弹簧伸长长度xF-x图线,由此可求出弹簧的劲度系数为      N/m.图线不过原点的原因是由于         

(2)某同学用如下图(2)-a所示的电路来测定电池的电动势和内阻。

①移动滑线变阻器的滑动片应特别注意防止              

②该同学测得如下表的五组数据。根据数据在答题卡中的图34-(b)中作出I-U图线,从图线中得到电源的电动势E =    V,内电阻r =    Ω.(结果保留三位有效数字)

试题详情

33.   (16分)某炼铁废渣中含有大量CuS及少量铁的化合物,工业上以该废渣为原料生产CuCl2·2H2O的工艺流程如下:

回答下列问题:

(1)焙烧过程中发生的主要反应为:  CuS+  NaCl+  O2  CuCl2+  Na2SO4。配平上述化学方程式。

(2)试剂A应选用     。(填编号)

①NaClO  ②Cl2    ③H2O2溶液  ④浓硫酸

理由是                      

(3)滤液B中大量含有的离子有          

(4)为了获得CuCl2·2H2O晶体,对滤液B进行的操作是:蒸发浓缩,趁热过滤,滤液经冷却结晶,过滤得到产品。分析有关物质的溶解度曲线(如下图),“趁热过滤”得到的固体是_________________,“冷却结晶”过程中,析出CuCl2·2H2O晶体的合适温度为     

试题详情

32.   (16分)某实验小组以H2O2分解为例,研究浓度、催化剂、溶液酸碱性对反应速率的影响。在常温下按照如下方案完成实验。

实验编号
反应物
催化剂

10mL2% H2O2溶液


10mL5% H2O2溶液


10mL5% H2O2溶液
1mL0.1mol·L1FeCl3溶液

10mL5% H2O2溶液+少量HCl溶液
1mL0.1mol·L1FeCl3溶液

10mL5% H2O2溶液+少量NaOH溶液
1mL0.1mol·L1FeCl3溶液

(1)催化剂能加快化学反应速率的原因是_                

(2)常温下5% H2O2溶液的pH约为6,H2O2的电离方程式为        

(3)实验①和②的目的是__________________________________________。实验时由于没有观察到明显现象而无法得出结论。资料显示,通常条件下H2O2稳定,不易分解。为了达到实验目的,你对原实验方案的改进是              

(4)实验③、④、⑤中,测得生成氧气的体积随时间变化的关系如下图。

分析上图能够得出的实验结论是                   

试题详情

31.   (16分)已知NH3具有还原性,与灼热的CuO反应可生成两种单质。某学习小组用下列装置完成并验证该反应。

(1)装置Ⅰ的作用是_____________________,A试管中的试剂为      

(2)实验时B中的现象是______________________,反应的化学方程式为_________________________________________________________________。

(3)设计装置Ⅲ的目的是:

                     

(4)指出整套装置中不完善的地方(指出一处):          

试题详情


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