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英语单词-句子整理

英语单词-句子整理
英语单词-句子整理

Unit2

electrical components 电子器件motherboards 主板

battery 电池resistor 电阻器

current 电流directly proportional 正比inversely proportional 反比current limiter 限流器capacitor 电容器charge 电荷,充电

inductor 电感器diode 二极管

LED light-emitting diode 发光二极管transistors 三极管

Unit3

amplify or switch 放大与切换amplify 放大器

power amplify 功率放大器voltage amplify 电压放大器drift 漂移Operational amplify 运算放大器properties 特性,性能bandwidth 带宽characteristics 特性,特色,特征inverting input 反向输入端noninverting 放大器,相同的noninverting input 同向输入端feedback 反馈

Unit14

the system bus 系统总线

electrical signals 电信号the data bus 数据总线

the address bus 地址总线the control bus 控制总线the read and write (bus)读和写控制线main memory 主存,内存programs and data 程序和数据static and dynamic 静态和动态flip-flops 触发器

Unit4

power supply 电源

transformer 变压器rectifier 整流器

ripple 纹波rechargeable 可再充电的high-speed electronic switch 高速电子开关filtering 滤波

computer power supply 计算机电源adapter 适配器

APSU (the alarm power supply unit) 报警电源storage battery 蓄电池report 报告reboot 重启

gateway 网关modem 调制解调器

switch 交换机router 路由器

Unit5

digital logic circuit 数字逻辑电路classification 分类combinatory logic circuit 组合逻辑电路

sequential logic circuit 时序逻辑电路

memory function 记忆功能trigger 触发器

truth table 真值表logic expression 逻辑表达式binary system 二进制simple realization 实现简单reliable running 运行可靠

Unit6

integration circuit 集成电路

cost and performance 成本和性能chips 芯片

silicon 硅high reliability 高可靠性excellent functional performance 高工作性能integrated elements 集成元件flowchart 流程图classification 分类

digital integrated circuits 数字集成电路filtering 滤波

analog integrated circuits 模拟集成电路

sensor 传感器demodulation 解调,检波A/D converters 模数转换D/A converters 数模转换signal interference 信号的干扰

SSI (small scale integration circuit) 小规模集成电路

MSI (medium scale integration circuit) 中规模集成电路

LSI (large scale integration circuit) 大规模集成电路

VLSI (ultra large scale integration circuit) 超大规模集成电

Unit8

power failure 停电

the power plant 电厂generator 发电机alternating current 交电single-phase power 单相交流电peak voltage 峰值电压effective voltage 有效电压transmission substation 输电变电站distribution bus 配电总线reduce line losses 减少线路传输损耗stack 堆栈

breakers and switches 断路器和开关application 应用程序

taps and at the house 直线及进屋

Unit9

architecture 体系结构

a.Harvard type 哈佛结构protocol 协议

ROM read only memory 只读存储器knowledge 知识工程

RAM read access memory 随机存储器permanent 永久

variables and data 变量和数据pins 引脚

CUP--central processing unit 中央处理器elapse 经过

parallel input/output并行输入/输出options-fiber cables 光纤电缆serial input/output 串行输入/输出experts system 专家系统

timer/counter facilities 定时器/计数器interrupt 中断

timing components 时钟组件crystal 晶振

Unit12

electronic tubes 电子管transistor晶体管

high reliability 可靠性高operating system 操作系统high-level languages 高级语言assembly 汇编语言

Unit13

AI: artificial intelligence 人工智能

various applied software packages 各种应用软件包

CAD: computer-aided design 计算机辅助设计

asynchronous low-speed lines 异步低速的传输线

Synchronous and asynchronous 同步和异步

DC and AC signal(current) 直流和交流电信号

limit current flowing to a device 限制流过器件的电流

linear power and switching power 线性电源和开关电源

UPS (uninterruptible power supplies)不间断电源

low cost and low power dissipation 低成本和低功耗

V on Neumann architecture 冯。诺依曼体系结构

fundamental of single-chip microprocessors 单片机计算机基础

CBT: computer based training 人工智能CBT-基于计算机的训练

program memory + data memory =>CPU <-> input&output unit 哈佛结构:程序内存,数据内存-CPU-输入输出

普林斯顿结构memory =>CPU <-> input&output unit

small volume,light weight,little power consumption 体积小,重量轻,低功耗CAM:computer-aided manufacture 计算机辅助制造

句子:

散装页码

1、the amount of current flowing in a circuit is directly proportional to the voltage across it and inversely proportional to the resistance of the circuit

在电路中流过的电流正比于加在电路两端的电压,反比与电路的电阻

2、resistors are used to limit current flowing to a device,thereby preventing it from burning out

电阻器常用作限流器,限制流过器件的电流以防止器件因流过的电流过大而烧坏

3、a capacitor is a component made from two cor (or-two sets of) conductive plates with an insulator between them

电容器是由两块导电板构成,中间夹杂一绝缘体

4、a capacitor opposes a change in the voltage of a circuit while an inductor opposes

a change in its current

电容器阻碍电路中电压的改变,而电感器阻碍电流的改变

5、therefore,capacitors block DC current and let AC current pass,while inductors do the opposite

电容器阻断直流电让交流电通过,电感器则相反

6、a variant of the common diode is the light-emitting diode or LED;these are the most well-known and commonly-encountered kind of diode,since they are used on everything from keyboards to hard disks to television remote controls

另一种常见的二极管是发光二极管,这是最有名且最常遇见的二极管类型,因为他们几乎用在任何地方,键盘,硬盘,电视机,遥控器等。

7、a transistor is a semiconductor device commonly used to amplify or switch electronic signals

三极管是一种用于放大和切换电子信号的半导体器件

8、If the output of the amplifier delivers more power than is required at the input,the amplifier is generally classed as a power amplifier.

如果放大器输出了比输入端更大的功率,那通常就将其归为功率放大器

Another class of amplifier is the voltage amplifier.

另一类放大器是电压放大器

In this type of amplifier,output voltage is larger than input voltage,although the output is not necessary capable of delivering high power.

在这类放大器中,虽然不能输出更大的功率,单输出电压比输入电压大9、Unfortunately DC amplifiers have a disadvantage in their tendency to drift.Drift is a variation in output that is independent of the signal input

遗憾的是,直流放大器有漂移缺点,输出端漂移的变化与输入信号无关10、voltage amplification in many control systems is obtained by use of a versatile electronic circuit know as an operational amplifier

许多控制系统中的电压放大通过使用一个被称作运算放大器的通用电路获得

11、In addition to their inherent advantage in size,weight,power requirements,heat dissipation and reliability

除了在尺寸,重量、供电、散热、可靠性等方面的固有优点之外

12、Wide bandwidth starting at direct current and dropping to unity gain in the frequency range form 1MHZ to 10MHZ

宽带宽,始于直流电,止于单位增益,频率范围从1MHZ-10MHZ

13、Solid-state operational amplifiers are available in discrete component and integrated circuit

固态运放形式有分立元件和集成电路两种

14、Thus in using operational amplifiers one need not be concerned about the amplifier circuit but only about its characteristics and performance

因此,在使用运放时,人们不需要关心放大器的电路,而只需要关心其特性就可以了

15、The input are differential in behavior,that is,the output voltage is proportional to voltage Eb,which is the difference of the voltage applied to the two input terminals

在输入方式上是差动的,也就是说,输出电压与电压Eb成正比,Eb是两输入端的电压差

16、The circuit employs the principle of negative feedback in which a portion of the amplifier output signal is coupled back to the input in an out-of-phase relationship 该电路使用了负反馈,放大器的部分输出信号以异相关系被反馈回输入端17、The basic components that make up a computer system : the CPU,memory,I/O,and the bus that connects them

组成一个计算机的基本组成部分是:中央处理器,CPU,储存器,输入/输出端口和把他们连接在一起的总线

18、The 80X86 family has three major basses: the address bus,the data bus ,and the control bus .A bus is a collection of wires on which electrical signals pass between components in the system

80X86系列见算计有3种主要的总线:地址线,数据线。和控制线,总线是指一组在系统各个部件中传输各种电信号的导线

19、When the software wants to access some particular memory location or I/O device,it places the corresponding address on the address bus .Circuitry associated with the memory or I/O recognizes this address and instructs the memory or I/O device to read the data from or place data on the data bus

当软件想要访问一些特定的储存位置或输入/输出设备时,它把相应的地址值放在地址总线上,与储存器或输入/输出设备从总线上读取数据或输出数据到总线上

20、When both contain logic one,CPU and memory-I/O are not communication with one anther.If the read line is low(logic zero),the CPU is reading data from memory (that is ,the system is transferring data from memory to the CPU ).If the write line is low,the system transfers data from the CPU to memory

当这两根线都为逻辑1时,CPU 和储存器,输入/输出口互相是不通信的,如果读控制线是低电平(逻辑0).则CPU从储存器中读取数据(那系统是把数据从储存器中传输到CPU中)。如果写控制线是低电平,系统把数据从CPU传输到储存器中

21、It is a relatively large and fast memory used to store programs and data during the computer operation

它是一个相当大且存取速度很快的储存器,用来储存CPU操作时的程序和数据

22、The static RAM consists essentially of internal flip-flops that store the binary information

静态RAM本质上是由内部的触发器组成,用来储存二进制信息。

第四单元

1、Power supplies for electronic devices can be broadly divided into linear and switching power supplies.The linear supply is a relatively simple design that becomes increasingly bulky and heavy for high amperage devices;voltage regulation in a linear supply can result in low efficiency.A switched-mode supply of the same rating as a linear supply will be smaller,is usually more efficient,but will be more complex.

电子设备的电源大致可以分为线性电源和开关电源。线性电源设计相对简

单,体积笨重,适用于大电流设备。线性电源的稳压会导致低效率。同级别的开关电源体积较小,通常更有效率,但会更复杂。

2、An AC powered linear power supply usually user a transformer to convert the voltage from the wall outlet(mains) to a different,usually a lower voltage.If it is used to produce DC, a rectifier is used. A capacitor is used to smooth the pulsating current from the rectifier.

交流线性电源通常使用变压器把来自墙壁插座的电压转换成不用的(通常是更低的)电压。如果用来产生直流电,需要一个整流器。电容器用来平滑来自整流器的脉动电流。

3、Some small periodic deviations from smooth direct current will remain,which is known as ripple.

平滑之路点中扔会有一些小的周期性偏差,这就是纹波。

4、This regulator will also greatly reduce the ripple and noise in the output DC current.

调整期也将大大降低输出电流的纹波和噪声

5、The simplest DC power supply circuit consists of a single diode and resistor in series with the AC supply.

最简单的直流电源电路由一个二极管和一系列电阻器及交流电阻成

6、This voltage is then sliced into small pieces by a high-speed electronic switch.

这个电压然后被一个高速电子开关分成小块

7、Uninterruptible power supplies (UPSs) are devices that maintain the supply of power to a load

不间断电源是吧把功率提供给负载并可维持供电不间断的设备

8、The three main types of UPSs are: standby (offline),online,line interactive

三种主要的UPS类型是:备用(离线)式,在线式,在线互动式。

9、A modern computer power supply is a special type of switch-mode supply

现代计算机的电源是一种特殊的开关模式的电源

10、The least expensive AC units consist solely of a small transformer,and while DC adapters include a few additional diodes.Whether or not a load is connected to the power adapter,the transformer has a magnetic field continuously present and normally cannot be completely turned off unless unplugged

最便宜的AC适配器只由一个小变压器组成,而DC适配器则包含了几个额外的二极管。不论负载是否连接到电源适配器,变压器都有一个不间断磁场,除非断电,通常不会完全关闭。

11、The Alarm Power Supply Unit(APSU) takes its power from the AC mains and converts this to a DC supply while simultaneously charging a 12-24 volt storage battery.During a mains power dropout or failure,the battery instantly takes over so that the load never experiences an interruption.

报警电源从AC电源获取,将它转换成DC电源的同时,对一个12-24V的蓄电池充电。在电源中断或出现故障时,电池立即接管,因而负载从不会中断12、The APSU can report a mains failure,battery low etc,and most importantly has the ability to reboot Network Access Devices to ensure the communication gateway is always available.

APSU能报告电源故障,电池低等,最重要的是它能重启网络读取设备以保

证通信网关总是可用

第五单元

1、This kind of circuit doesn't have the memory function,and its output status changes along with the input status,which is similar to the resistance circuit.

这种电路没有记忆功能,它的输出状态随着输入状态的变化而变化,类似于电阻性电路。

2、Whose abbreviation is sequential circuit,it's the circuit which is combined by the basic logical gate circuits and feedback logical loops(from output to input) or components,and the most essential different with the combination circuit lies in the memory function of the sequence circuit

简称时序电路,它是由最基本的逻辑门电路加上反馈逻辑回路(输出到输入)或器件组合而成的电路,与组合电路最本质的区别在与时序电路具有记忆功能3、Truth table is a table formed by all the combination among the variables and the corresponding function value.

真值表是由变量的所有可能取值组合及其对应的函数值所构成的表格

4、Logical expression is the expression consisted by combining logical variables and three operators (and,or,not)

逻辑表达式是由逻辑变量和与、或、非3种运算符连接起来所构成的句子。

5、Digital circuit is taking binary system logic algebra for mathematics https://www.doczj.com/doc/7c15494517.html,ing binary digital signal.

数字电路以二进制逻辑代数为数学基础,使用二进制数字信号

6、Integration rate high,volume small,the power loss low is one of digital circuit prominent merits

集成度高,体积小,功耗低,是数字电路突出的优点之一

第六单元

1、There are two main advantages of IC over discrete circuits:cost and performance.Cost is low because the chips,with all their components,are printed as a unit by photolithography and not constructed one transistor at a time.Performance is high since the components switch quickly and consume little power,because the components are small and close together.

集成电路和分立电路相比有两个主要优点:成本和性能。成本低是因为芯片和其他所有元件用照相平板转印成一个单元而不是每次构建一个晶体管。性能高是由于元件开关速度快而且功耗低,因为元件小而且距离近

2、Sharp size,weight reductions are possible with these techniques;and more importantly.high reliability.excellent functional performance,low cost and low power dissipation can be achieved.ICs are widely used in the electronic industry.

利用这些技术,完全可以使尺寸缩小而且重量减轻;更重要的是能够实现高可靠性、高工作性能、低成本和低功耗。集成电路广泛应用于电子工业

3、This level of specification may be expressed in terms of flowchart or in terms of a high-level hardware description language(HDL)

这可用流程图或用一种高级硬件描述语言HDL来描述

4、Integrated circuits can be classified by function into analog.digital and mixed

signal

集成电路也可以按功能分成模拟电路、数字电路和复合信号电路

5、Such as offer smaller size and lower cost,but must carefully account for signal interference

这种电路尺寸小、功耗低,但必须小心考虑到信号的干扰

第八单元

1、Electrical power starts at the power plant.In almost all cases,the power plant consists of a spinning electrical generator.

电从电厂开始,几乎所有的电厂都是由旋转式发电机和带动发电机的设备组成的

2、No matter what it is that spins the generator commercial electrical generators of any size generate what called 3-phase AC power

无论是何种方式拖动发电机,各种型号的(商用)电力发电机产生额都是三相交流电

3、Single-phase power is what you have in your house

单相交流电就是你家中所用的电源

4、Typical voltages for long distance transmission are in the range of 155000 to 765000 volts in order to reduce line losses

为了减少线路传输损耗,典型的长距离传输电压在155~765KV

5、It has transformers that step transmission voltages in the tens or hundreds of thousands of volts range down to distribution voltages

它有一个降压变压器把传输网的电压(几十千伏至几百千伏)降为配电网的电压

6、It has a "bus" that can split the distribution power off in multiple directions

它有一组传输线把配电网的电力送往四面八方

7、It often ha circuit breakers and switches so that the substation can be disconnected from the transmission grid or separate distribution lines can be disconnected from the substation when necessary

它通常有断路器和开关,所以在需要时变配电站可以断开传输网的高压电力线或断开配电网的低电压

第九单元

1、ROM is usually for the permanent,non-volatile storage of an application program.

ROM常用于一个应用程序的永久、稳定的存储。

2、RAM is for the storage for working variables and data during program execution.

RAM是在程序运行期间存储工作变量和数据的

3、Many applications of single-chip microcomputers require accurate evaluation of elapsed real time.

单片机的许多应用需要准确估计时间

This can be determined by careful assessment of the execution time of each branch in a program but this rapidly becomes inefficient for all but the simplest programs

这可由对程序中各个部分的执行时间的仔细估计来决定,但这会马上使得工

作变得低效,几乎成了最简单的程序

The preferred approach is to use a timer circuit that can independently count precise time increments and generated an interrupt after a preset time ha elapsed 首选的方法是使用一个定时器电路,它独立计算精确的时间增量,在预置时间流逝之后产生一个中断。

This type of timer is usually arranged to be preloadable with the required count.The timer then decrements this value producing an interrupt or setting a flag when the counter reaches zero

这种定时器通常可以使随必需的计数值而预装载。定时器减这个值,当计数器达到零时则产生一个中断或设置一个标志。

Better timers then have the ability to automatically reload the initial count value.This relieves the programmer of the responsibility of reloading the counter and assessing the elapsed time before the timer is restarted,which otherwise would be necessary if continuous precisely time interrupts were required(as in clock,for example).Sometimes associated there is usually a special input pin that can drive the counter directly

较好的定时器具备自动重新装载初始计数值的能力。这减轻了程序员的重新装载计数器和估算定时器重启前流逝的时间的负担,后者在需要持续精确的时间中断时(如时钟)是必需的。

有时定时器是个事件计数器,为此通常有一个特殊的可以直接去顶计数器的输出引脚

4、If maximum performance is required.a crystal must be used to ensure the maximum clock frequency is approached but not exceeded

如果需要最大的性能,那么必须使用一个晶振来却白最大时钟频率的稳定

第十二单元

1、ENIAC was composed of more than 30 thousand electronic tubes and nearly one million pieces of other components such as resistors,condensers and switches.

ENIAC 由3万多个电子管和几乎一百万个如电阻、电容器、开关之类的期间组成。

2、All V on Neumann type digital computers consist of four basic elements:the memory,the arithmetic logic unit(ALU),the control unit,and the input/output unit 所有冯诺依曼型数字计算机由4个基本部分组成:内存,ALU,控制器和I/O设备

3、small volume,light weight,little power consumption,long services hours and high working speeds

体积小、重量轻、功耗低、工作时间长、速度快

4、In the early computers,there was no software at all.The working efficiency was surprisingly low,and the computer frequently sat idle.To solve such problems,the operating system emerged and matured

在早期的计算机中,根本没有软件。工作效率惊人的地下,计算机经常闲置着。为了解决这类问题,操作系统出现并成熟了

5、Assembly is a machine-oriented language.Programs written in an assembly

language can work faster than programs written in high-level languages.And nowadays JA V A,a programming language designed for networks, is more and more prevalent for its compatibility with all operating systems

汇编语言是一种更面机器的语言。用汇编语言写的程序比用高级语言编写的要快。如今,一种网络编程语言JA V A,由于它和所有操作系统可兼容而流行

第十三单元

1、Computer simulation as a powerful analytic tool widely used in scientific research and engineering design demonstrates unrivalled advantages

作为一种广泛应用于科学研究和工程设计的有力分析工具,计算机仿真现实出无与伦比的优点

2、CAD(Computer-aided Design)is software that can help engineers in their design for new products,buildings,print circuit boards,civil works like bridges and airports,relieving them from the tedious,back-breaking and time-consuming jobs like drafting and drawing.

计算机辅助设计(CAD)是能帮助工程师设计新产品,建筑物,印刷电路板,桥,机场之类的土建工程的软件,把他们从沉闷、辛苦、费时的绘图工作中解放出来

3、CAM(Computer-aided Manufacture)is software helping engineers to analyze a product or a project,and give advice for manufacturing it or constructing it 计算机辅助制造(CAM)是帮助工程师分析产品或项目,提供制造意见的软件

4、Artificial Intelligence(AI) is a subdivision of computer science.

人工智能是计算机科学的一个分支

5、Experts Systems are the most successful example of AI.Knowledge Engineering is another subject of AI.

专家系统时实力。只是程师AI的另一学科

考试加油,最后一回。

小学一二年级英语单词和句子

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英语单词及句子

英语单词及句子

Module 1 兄弟 中国人;汉语;堂兄弟;表兄中国的,中国表姐妹;堂姐从;来,来自女儿 在哪里,去哪家,家庭 年龄;年父亲,爸爸 关于(外)祖父…怎么样?(外)祖母 女士母亲,妈妈 美国;美洲姐;妹 美国的;美国儿子 不,不是,没叔叔;伯伯;英格兰姑爷;姨父 美国人;美洲照片,相片 我们的这些 年级他们,她们,他(主语)妈妈 中国左边,左侧 大家;每人左边的,左侧首都;省会在左边,在左但是,然而爸爸 很,非常右边,右侧 大的右边的,右侧城市在右边,在右小的谁 第一(位)的,成年女子;妇先;首先紧挨着,紧靠名字紧接下来地,最后的,最末在……旁边,最后,最未丈夫 姓前面;正面 每个,全体在……的前面Module 2 那些 姨母;伯母;公共汽车 婶母;舅母站;车站

医院真正地;非常;饭店;宾馆许多,很多 警察多少 剧院大量;许多(男)演员任何一个;一司机,驾驶员世界 经理树(木) 护士建筑物 男警察大厅;会堂 我们饭厅;饭堂 一(个,大门 工作图书馆在……;办公室 相同的,同一操场 医生科学;科学课农场实验室 工人在……后面 男人在……之间 商店:中间;中央 它的靠近;接近 他(她它)们与……在一Module 3 为,为了 计算机;电脑房间;室;屋家具(总称)Moudle 4 地图食物;食品 图片;照片饮料 电视;电视机喝 墙糖果 三十水果 四十肉 五十蔬菜 六十苹果 七十豆 八十牛肉 九十胡萝卜

鸡肉糖 巧克力吃 加啡小孩,儿童 可乐对……有帮助果汁甜的 牛奶对……有害的马铃薯,土豆正确的,对的茶蛋;鸡蛋 西红柿,番茄眼睛 水奶酪 逛商店;购物牙齿 去买东西;去一点儿;少许有;吃,喝稍微;有点儿得到劳累的 有;拥有汤 若干;一些;重要的 一些,某些记住;想起 许多的,大量好地 太多保持;停留 种类肥胖的 哪种发胖 各种各样的或者 大量;许多早饭 因此;所以每个,每一……好午饭 Have的第三人家;家庭 坏的,不好的晚饭;正餐 健康的香蕉 美味的Module 5 面包一半 鱼肉;鱼晚于,过(几汉堡包……点钟 冰激凌(距整点时面条美术;艺术米;米饭地理

新六下英语单词句子表

六年级下册重点句子及单词 That ’sthe tallest dinosaur in this hall. It ’s taller than both of us together. How tall are you ? 1I ’m 1.65 metres. What size are your shoes, Mike? Your feet are bigger then mine. My shoes are size 37. How heavy are you ? I ’m 48 kilogram. How was your weekend? It was good, thank you . What did you do ? I stayed at home with your grandma. We drank tea in the afternoon and watch TV. Did you do anything else? 2 Yes, I cleaned my room and washed my clothes. I want to buy the new film magazine. What did you do last weekend ? Did you see a flim? No, I had a cold. I stayed at home all weekend and slept. What happened? Are you all right? I ’m OK now. Where did you go ? 3It looks like a mule. Did you go to Turpan? Yes, we did. How did you go there? We went there by plane. Sounds great! There was no library in my old school. Tell us about your school, please. How do you know that? 4 There was no computer or Internet in my time. Before, I was quiet. Now, I ’m very active in class. I was short, so I couldn’tride my bike well. Now, I go cycling every day. 那是这个厅里最高的恐龙。 它比我俩加起来还高。 你有多高? 我身高 1.65 米。 迈克,你穿多大号的鞋? 你的脚比我的大。 我穿 37 号的鞋。 你体重多少? 我体重 48 公斤。 你周末过得怎么样? 很好,谢谢。 你(周末)干什么了? 我和你奶奶待在家里。 我们喝了下午茶,还看了电视。 你还做了其他什么事吗? 是的,我打扫了房间,还洗了衣服。 我想买期新的电影杂志。 你上周末干什么了? 你看电影了吗? 没有,我感冒了。 整个周末都待在家里睡觉。 怎么了? 你还好吧? 我现在没事了。 你去哪儿了? 它看起来像头骡子。 你们去吐鲁番了吗? 是的,去了。 你们怎么去的? 我们坐飞机去的。 听上去不错! 我以前的学校里没有图书馆。 请给我们讲讲你的学校吧。你 怎么知道的? 我那时候没有电脑也没有网络。 以前,我很安静。 现在我在课堂上很活跃。 我以前个子小,自行车骑得不好。 现在我天天骑车。

三年级下册英语重点单词和句子修订稿

三年级下册英语重点单 词和句子 集团档案编码:[YTTR-YTPT28-YTNTL98-UYTYNN08]

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小学英语单词、句子总汇

PEP小学英语单词总汇 PEP英语三年级(上册)三会单词 Unit 1 pen 钢笔pencil 铅笔pencil-case 铅笔盒ruler 尺子eraser 橡皮crayon 蜡笔book 书bag 书包sharpener 卷笔刀school 学校 Unit 2 head 头face 脸nose 鼻子mouth 嘴eye 眼睛ear 耳朵arm 胳膊finger 手指leg腿foot 脚body 身体 Unit3 red 红色的yellow 黄色的green 绿色的blue 蓝色的purple 紫色的white 白色的black 黑色的orange 橙色的pink 粉色的brown 棕色的 Unit 4 cat 猫dog 狗monkey 猴子panda 熊猫rabbit 兔子duck 鸭子pig 猪bird 鸟bear 熊elephant 大象mouse 老鼠squirrel 松鼠 Unit 5 cake 蛋糕bread 面包hot dog 热狗hamburger 汉堡包chicken 鸡肉French fries 榨薯条Coke 可乐juice 果汁milk 牛奶water 水tea 茶coffee 咖啡 Unit 6 one 一two 二three 三four 四five 五six 六seven 七eight 八 nine 九ten 十doll 玩具娃娃boat 小船ball 球kite 风筝 balloon 气球car 小汽车plane 飞机

PEP英语三年级(下册)三会单词 Unit 1 boy 男孩girl 女孩teacher 教师student 学生this 这个my 我的friend 朋友I’m=I am 我是nice 好的;愉快的good morning 早上好good afternoon 下午好meet 遇见;碰见goodbye 再见too 也;太 Unit 2 father 父亲;爸爸dad 爸爸(口语)mother 母亲;妈妈mom 妈妈(口语)man男人woman 女人grandmother (外)祖母 grandma (口语)(外)祖母grandfather (外)祖父 grandpa (口语)(外)祖父sister 姐妹brother 兄弟 let’s=let us 让我们great 太好了really 真地;确切地and 和;并且how 多么;怎么样 Unit 3 eleven 十一twelve 十二thirteen 十三fourteen 十四fifteen 十五sixteen 十六seventeen 十七eighteen 十八nineteen 十九twenty 二十how many 多少can 能够;可以look at 看;瞧 Unit 4 peach 桃pear 梨orange 橙子watermelon 西瓜apple 苹果 banana 香蕉strawberry 草莓grape 葡萄like 喜欢some 一些;某些thanks 多谢 Unit 5 bus 公共汽车bike 自行车taxi 出租车jeep 吉普车desk 课桌 chair 椅子walkman 随身听lamp 台灯your 你的;你们的 zoo 动物园

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50个句子记住7000个单词!!! 1. Typical of the grassland dwellers of the continent is the American antelope, or pronghorn. 1.美洲羚羊,或称叉角羚,是该大陆典型的草原动物。 2. Of the millions who saw Haley’s comet in 1986, how many people will live long enough to see it return in the twenty-first century. 2. 1986年看见哈雷慧星的千百万人当中,有多少人能够长寿到足以目睹它在二十一世纪的回归呢? 3. Anthropologists have discovered that fear, happiness, sadness, and surprise are universally reflected in facial expressions. 3.人类学家们已经发现,恐惧,快乐,悲伤和惊奇都会行之于色,这在全人类是共通的。 4. Because of its irritating effect on humans, the use of phenol as a general antiseptic has been largely discontinued. 4.由于苯酚对人体带有刺激性作用,它基本上已不再被当作常用的防腐剂了。 5. In group to remain in existence, a profit-making organization must, in the long run, produce something consumers consider useful or desirable. 5.任何盈利组织若要生存,最终都必须生产出消费者可用或需要的产品。 6. The greater the population there is in a locality, the greater the need there is for water, transportation, and disposal of refuse. 6.一个地方的人口越多,其对水,交通和垃圾处理的需求就会越大。

小学英语单词和句子.

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