电子英语试题.doc

Lesson Eleven Integrated Circuit一、 英汉互译_ 集成电路2transistortransistor logic(TTL)_3 金属氧化物半导体。4 列式封装。5Single in-line package(SIP). .6.Pin grid array package(PGA) .二True or False(1)An integrated circnit combines transistors. Dioles.resistors. and small coopacitors on a silion chip ( )(2) An integrated circuit may be single in line package.( )(3)No further miniaturization is possible non for integrated circuits.( )(4) Integrated circuits can be classified in one way.( )三Translate the following sentences into Chinese.（1） other howsing methods are the single in-line package .Pin grid array package. And so on.（2） For instance,there were only 2300 transisters in the first microprocessor chip in a computer while there are non 109 transistor in and updated single chip.四Translate the following expression into English. (1 )数字集成电路。（2）分散的元件。（3）肯定的说。Lesson Twelve modulation一 英汉互译。1 为了.2Electoromaynetil wave .3.modulatiny wave .4. 振幅调制。5 频率和相位调制。二 True or False.1.Modnlation is necessary for transmitting information.( )2.The first wave is know as modulatiny ware.( )3.The first wave is the carrier wave.( )4.Both am and FM are used for broadtasting and communtication today.( )三 Translate the following sentences into chinese.1. The process of modulation is to vary some parameter of a basc electlmaynetil wave. Which is called the carrier wave and is know as the first wave.2. The process of extuacting the single information from a modulated carrier wave is called detection or demoduclation.四 Translate the following expressions into English.（1）电磁波的某些参数。（2）专用于通讯。（3）频率和相位调制技术。Lesson Thirteen DMM一 英汉互译。1 在大多数情况下 2 为了安全起见 3 Test equipmet 4 数字万用表 5 Lolt-ohm-milliammeter 二 True or False(1)Technicians like to use DMMS.( )(2)DMMS are accurate but not easy to read ( ).(3)DMMS Can”remember important data for you to read at a later time.( )(4)DMMS take measurements of voltage as well as semiconductor transistors.( )三 Translate the following sentences into Chinese(1) It is a prime choice in most cases for its its accuracy expanded measurement capabilities, ease of reading,and lighter loading of the circuit under test, compared to the VOM. (2) For safetys take,some DMMs even have a “hold the reading”feature 四 Translate the following expressions into English:Translate the following expressions into English.(1) 多数情况下的首选 (2) 测量精确度 (3) 常用的测试设备 Lesson Fourteen Oscilloscope 一 英汉互译1 Cathoderay _2 故障排解 _3 信号监视 _4 电子波形 _5 Electron beam _6 Phsphor screen _7 Liquid crystal display _二 判断1The cathoderay oscillocope is a useful measuring instrument for trouble shooting ( )2The heart of the oscillocope is the screen ( )3The cathoderay tube conase,neck,bulb,and the faceplate (screen). ( )4. The LCDs can greatly decrease the weight and size of the machine.三 Translate the following sentences into Chinese:(1) The cathode-ray oscilloscope is a very useful electronic measuring instrument for research and development in the electronic industry.(2) Oscilloscopes operate by causing an electron beam to sweep rapidly from left to right Across the phosphor screen of a cathode-ray tube.四 Translate the following expressions into English: （1）阴极射线示波器 （2）电子枪 （3）液晶显示器Lesson Fifteen Bridge Circuit一、 英汉互译1.Make measurement _2.只有当 _3.bridge circuit _4.电阻比 _二、 判断：1. Actually,bridge circuits are special series-parallel circuits used for mensurements in electronical circuit ( )2. The Wheatstone bridge is used to meaure the value of unknown capacitor. ( )3. Variation of the bridge circuit can also be used to measure the capacitors. ( )4. The balance condition is when voltage between points A and B is zero. ( ) 三、 Translate the following sentences into Chinese 1. Bridge circuits are special series-parallel circuits and used to make measurements in electronic circuit._2. One of the common application bridges is named the Wheastone bridge, which is used to measure the value of an unknown resistance._四、 Translate the following expressions into English1. 平衡状态2. 电阻比相等3. 一种常见的应用电桥Lesson Sixteen Logic Gate一、 英汉互译1. logic gate _2. 输入信号 _3. AND gate _4. 或门 _5. NOT gate _6. 与非门 _7. NOR gate _8. truth table _二、 判断1. Logic gates are electronic switches. ( )2. Logic gates allow any signal to pass through. ( )3. Truth tables are used to explain the output. ( )4. NAND is one instance out of many types of gates.( )三、 Translate the following sentences into Chinese1. These switches process the input signals by only allowing them to pass through if they fulfill certain conditions. _2. Using this system , there are several different methods which may detect a burglar._四、 Translate the following expressions into English1. 开关阵列2. 满足一定条件3. 将几个逻辑门连在一起Lesson Seventeen Microwave Oven.一、英汉互译1. be similar to _2. 和接触 _3. on sale _4. 无线电波 _5. vacuum tube _6. 磁控管 _二、判断1.Microwave are very long ,high-frequency waves ( )2.Microwave attracted to food molecules. ( )3.Microwave ovens are equipped with a magnetron.( )4.A vacuum tube in a micwave oven converts ordinary household electrical current into microwave energy. ( )三、Translate the following sentences into Chinese 1.When the microwaves make contact with food in your oven,they cause the food molecules to vibrate billions of times per second to genterate heat. _2. Foods are cooked more efficiently and quickly than in a conventional oven. _四、Translate the following expressions into English1.新型微波炉2.高频能量波3.普通的家用电流Lesson Eighteen Digital Television一、英汉互译 1. be not about to do sth _ 2. 视频信号 _ 3. audio-signal _4. 扫描仪 _5. Dolby surround sound _二、判断 1.DTV is one kind of HDTV. ( ) 2.HDTV will turn television into “home cinema”.