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3.汉译英 1. 他在促进两国友谊方面起着重要的作用. 2. 就我所知,这位女士是第一位区分这两种现象的人. 3. 任何人,无论她的种族和肤色,都有权收到良好的教育. 4. 诸如心理学家这样的科学家需要精通理论. 5. 这个小学生对这本书如此的着迷以至于忘记了吃饭.

Key: BADAA  DCABC  ADBDA  AAC

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2. 单词拼写 1.自发的,本能的 a. s _ _ _ _ _ _ _ _ _ _  2. 掩蔽,保护处 n. s_ _ _ _ _ _ 3. 增援,加强v. r_ _ _ _ _ _ _ _   4. 关联,中肯 n. r_ _ _ _ _ _ _ _ 5. 不情愿的 a. r_ _ _ _ _ _ _ _    6. 登记,注册v. r_ _ _ _ _ _ _ 7. 熟练,精通n. p_ _ _ _ _ _ _ _ _ _   8. 保护v. p_ _ _ _ _ _ _ 9. 初步的a. p_ _ _ _ _ _ _ _ _ _   10. 思索,投机v. s_ _ _ _ _ _ _ _ 11. 名声,名誉n. r_ _ _ _ _ _ _ _ _   12. 各自地adv. r_ _ _ _ _ _ _ _ _ _ _ 13. 肤浅的,表面的a. s_ _ _ _ _ _ _ _ _ _   14. 总结,归纳v. s_ _ _ _ _ _ _ _ 15. 症状n. s_ _ _ _ _ _     16. 同情n. s_ _ _ _ _ _ _ 17. 例行的事务n. r_ _ _ _ _ _    18. 辫子,队n. q_ _ _ _ 19. 辨认,认出v. r_ _ _ _ _ _ _ _    20. 随意的a.r_ _ _ _ _

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2. 汉译英 1) 在某种意义上,你的成就和你的努力成正比。 2) 从长远来看,这些教育节目对儿童的成长具有积极的意义。 3) 无论她失败多少次,她绝不轻易放弃。 4) 务必确保这些设施得到充分的利用。 5) 他的成功一部分是因为他的努力,一部分是因为运气好。 Key: CBDAD  BCABD   ACBCC  DBDCD   BCABA  CAAAD 1. identical  2.ignorant  3. immigrant  4.initial  5. integrate 6. interrupt  7. invariably  8. journey  9.launch  10. legislate 11.luxury  12. magnificent 13. manual  14. mechanism 15. miracle 16. multiple  17. neutral  18. offspring  19. overwhelming 20. ornament 1. Your achievements are, in a sense, in proportion to your efforts. 2. In the long run, these educational programs are of positive significance to children’s growth. 3. No matter how many times she has failed, she will never give up. 4. Make sure these facilities are made full use of. 5. His success is, in part, due to his hard work, and in part, due to his good luck.

词汇复习第四讲p-s 1. 识记词汇 1. It is a ___ to say that the rich man is very poor. [A] passion  [B] paradox  [C] pledge  [D] proposal 2. The sound is so powerful that it can ___ the thick wall. [A] penetrate  [B] pardon  [C] perceive  [D] persuade 3. owing to the bad weather, the tennis match was ___. [A] participated  [B] polished  [C] portrayed  [D] postponed 4. There has been no ___ in this law case. [A] precedent  [B] preference [C] priority  [D] proceeding 5. This theory began to ___ since 1960s. [A] prevail  [B] proceed  [C] prohibit  [D] promote 6. The new reform plan has aroused severe ___ from the workers. [A] proportion  [B] prospect  [C] proposal  [D] protest 7. He can’t make a ___ decision when he is angry. [A] punctual  [B] random  [C] rational  [D] principal 8. It is highly recommended that a new team ___ immediately to finish the task. [A] should be formed   [B] must be formed [C] is formed    [D] formed 9. He felt ___ when knowing that his son was sound and safe. [A] relaxed  [B] relieved  [C] reluctant  [D] remedied 10. She ___ her mother so much that she is often mistaken for her mother. [A] rescues  [B] represents [C] resembles  [D] resists 11. They cancelled the meeting for the sake of ___. [A] security  [B] sacrifice  [C] schedule  [D] sensitivity 12. If you often fail in a ___ test, how can you expect to win in a real test? [A] satisfied  [B] salient  [C] significant  [D] simulated 13. They mentioned their plan to get married this summer, but they didn’t ___ the time. [A] speculate  [B] specify  [C] sponsor  [D] squeeze 14. The second design is obviously ___ to the first one. [A] superficial  [B] subtle  [C] subjective  [D] superior 15. He has been ___ from one job to another in the past three years. [A] switching  [B] suspecting [C] sustaining  [D] surviving 16. Chinese sailors are said to have visited America ___ Columbus. [A] prior to  [B] provided that [C] rather than  [D] regardless of 17. please ___ it that everything is well arranged while I am away. [A] see to   [B] set about  [C] set aside  [D] stick to 18. You have promised to ___ the plan as it is, so you shouldn’t change it. [A] stand for  [B] stand out  [C] stick to  [D] sum up

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39.某班科技小组的同学设计了一种简易的电子拉力计,图甲是其原理图.放在水平地面上的物体A通过硬质弹簧与拉环相连。弹簧上端和金属滑片P固定在一起(弹簧的电阻不计,PR2接触良好且不计摩擦).已知物体A的质量为100kg,定值电阻R1 = 6 Ω,R2 是一根长为6cm的均匀电阻线(阻值与其长度成正比),其最大阻值为24Ω,电源电压为6V,电流表的量程为0~06A.当不拉拉环是时,金属滑片P刚好处于a端.已知该弹簧伸长的长度△l与所受竖直向上的拉力F间的关系如图乙所示,问:

   (1)要把电流表的表盘改为拉力计的表盘,则拉力计表盘的零刻度应标在电流表表盘的何处?

   (2)闭合开关,当电流表示数为0.6A时,R2接入电路中的电阻为多少?

   (3)在保证电路安全的条件下,物块A对地面的压力范围是多少?(取g=10N/kg)

 

2009年长沙市初中毕业学业考试试卷

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38.在我市书院南路道路改扩建工程中,推土机发挥了重要作用.如图是某型号履带式推土机,其发动机的额定功率为150kW,质量为2.0×104kg,履带与地面的总接触面积为2.5m2(取g = 10N/kg).求:

   (1)推土机静止时对水平地面的压强;

   (2)若推土机在平直场地上以额定功率作业,在其以1.5m/s的速度匀速前进10m的过程中,它受到的阻力及阻力所做的功.

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37.位于我市湘江中的橘子洲自古被称为小蓬莱,是世界城市中最长的内河绿洲,东临长沙城,西望岳麓山,四面环水,绵延十里.介名山城市间,浮袅袅凌波上.春来,波光粼粼,鸟声阵阵;盛夏,纳凉消暑,嬉戏水中;秋至,柚黄橘红,清香一片;深冬,凌寒剪冰,江风戏雪.是潇湘八景之一“江天暮雪”的所在地.

   上面的描述中有许多物理现象,请你从中举出两例并说出它们所包含的物理知识.

 
物理现象
物理知识
示例
波光粼粼
光的反射
1
 
 
2
 
 

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36.在做“探究串联电路中的电压规律”的实验时,有多个灯泡可供选择,小明把两只灯泡L1、L2串联起来接到电源上,如右下图所示:

   (1)当分别把电压表连在图中AB两点、BC两点及AC两点时,闭合开关后测得的数据是:UAB= 0,UBC= 12V,UAC =12V,则故障可能是             

   (2)故障排除后,实验正常进行,通过测量得到了两组实验数据如下表:

实验次数
AB间电压U1/V
BC间电压U2/V
AC间电压U3/V
1
4
8
12
2
6
6
12

   分析两组实验数据,可得出:                         

                               

(3)本实验设计你认为有什么不合理或可以改进的地方吗?若有,请加以说明(若是电路改进则填写在右边虚线框内).

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35.小明和小琴在做“观察水的沸腾”实验中,当水温上升到84℃时,每隔1min读一次温度计的示数,直到水沸腾4min后停止读数,其数据记录如下表所示:

时间/min
0
1
2
3
4
5
6
7
温度/℃
84
88
 
96
99
99
99
99

①第三次数据没有记录,当时温度计示数如图所示,请将读数填在表格里;

②请根据表格中的数据,在图中的小方格纸上画出水的温度随时间变化的图像;

③由表中数据可知水的沸点是    ℃.

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34.在探究杠杆的平衡条件的实验中:

①小明将杠杆放在水平桌面上,发现杠杆右端下倾,那么他应该将杠杆左端的螺母向   (选填“左”或“右”)调节,使杠杆在水平位置平衡.

②实验时只有8个相同的钩码,现已在左端A点挂有4个钩码,如图所示,为使杠杆平衡,钩码应挂在何处?(请设计两种方案,在下图中画出)

 

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33.为了探究电磁铁的磁性强弱跟哪些因素有关,小琴同学用漆包线(表面涂有绝缘漆的导线)在大铁钉上绕若干匝,制成简单的电磁铁,下图甲、乙、丙、丁为实验中观察到的四种情况.

 

   ①当开关闭合后,请在甲图中标出磁体的N极;

   ②比较图       可知:匝数相同时,电流越大磁性越强;

   ③由图    可知:当电流一定时,匝数越多,磁性越强.

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