专业英语A卷

2013 － 2014 学年第 二 学期 课程名称 专业外语 适用专业（班级） 机电设备121-122考核方式：□√闭卷 □开卷 A卷 考试时间：120分钟 共计 2 页， 50 小题 专业负责人签字：

一、选择题（本大题共10小题，每空1分，总计10分）

1. Mechatronics is nothing new ;it is simply the application of the techniques in precision mechanical engineering 。

A. Newly B. Complex C. latest D .advanced

2. CIM is the of design, manufacturing, distribution, and financial function into one coherent system. .

A. automatics B. robotic C. computerization D. methodology

3. Brakes are most commonly used to control or motor vehicles, trains ,bicycles ,and rotating devices。

A. stop B. drive C. push D .propel

4. The extreme dimensions are called the limits of size, and the difference between them is called the__________.

A. tolerance B.fit C. upper limit D. lower limit

5. _________can be defined as the functions which use computers to assist the work of process planner.

A. CAD B. CAM C. CAE D. CAPP

6. A very convenient and __________way to transmit message, E-mail has dramatically affected scientific, personal, and business communications.

A. expensive B. speed C. inexpensive D. effective

7.A Japanese engineer from Yasukawa Electric Company the term “mechatronics” in 1969 to reflect the merging of mechanical and electrical engineering disciplines.

A. Made B. Used C. discovered D. Coined 8.However, not all CAD data bases are ________ with manufacturing software. A. adapted B. fitted C. compatible D. usable

9. Brakes used in automobiles, trucks, motorcycles, and most other motor vehicles are usually either_________ or disc tape..

A. belt B. drum C. plate D. bar 10. It is necessary to use a wide variation of hole sizes and ________ sizes.

A. shaft B. part C. gear D. measuring instrument 二、将下列短语翻译成英语（本大题共10小题，每小题2分，合计20分）

11．机电一体化技术12．智能控制13．机床 14.制动器 15.制动蹄

16．公差17．间隙配合18．计算机辅助设计 19. 全自动机器20．机器人学 三、将下列短语翻译成汉语（本大题共10小题，每小题2分，合计20分）

21. mechanization and automatization 22.mass-produced articles 23.CIMS24. a chain connecting 25.connecting rod

26.steam engine 27.centrifugal force 28.navigation system 29.GPS 30.thre-dimensional

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position

四、将下列句子译成英语（本大题共10小题，每小题3分，合计30分）

31.有时某些零件是成对的关系，如螺母和螺栓。

32.将轮子用花键固定在轴上，轴与另一个轴之间用联轴器联接。 33.单个机械零件的可靠性是估计整机全寿命的根据。

34.在第二次世界大战期间，动力转向装置曾装在军用车辆上。 35.如果液压系统失灵，尽管司机费些力，汽车扔可开动。 36.现今的汽车比早期的汽车大得多也重得多。 37.设计人员必须标注所允许的最大和最小尺寸。

38.配合可分为如下三种：间隙配合，过盈配合和过渡配合。 39.我们把钢加热到临界温度以上，再让它慢慢冷却。 40.这就使金属变得比热处理之前软，因而更易于机械加工。

五、将下列句子译成中文（本大题共10小题，每小题2分，合计20分）

41. Although the scope of automatic control is virtually unlimited ,we will limit this discussion to examples examples which are commonplace in modern industry .

42. Automatic control has also been extensively applied to the distribution of electric power .

43. Automatic control is necessary to maintain a constant flow of trains and to provide comfortable acceleration and braking at station stops .

44. The time information is placed in codes broadcasted by the satellites so that a receiver can continuously determine the time of signal broadcasted.

45. He defined a servomechanism as “a power amplifying device in which the amplifier element driving the output is actuated by the difference between the input to the servo and its output”

46. If the extra load is removed , the reverse process takes place ;the metal spheres tend to rise slightly.

47. Metal which cools slowly are less liable to have these internal stresses than metal which cools quickly.

48. It helps to relieve the internal stresses, and makes the steel less brittle than before.

49. We therefore heat it again to a temperature below the critical temperature ,and cool it slowly.

50.These heat treatments take place during the various shaping operations.

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