XX职校2018年春季《专业英语》期末考试卷（参考答案）考试时间 120分钟学号姓名班级年级一、单选题(每小题2分，共30分)1. If all points in a linkage move in parallel planes the system undergoes plan ar motion and the linkage may be describ ed as a ______ .A. planar motionB. planar linkageC. jointsD. slide2. Though frame material and desig n should handle damping,_____ are sometimes built into frame sec tions to handle specific problems.A .beams B. holes C. dam pers D. screw3. The maximum allowable deflecti on of a shaft ______ determined by critic al speed, gear, or bearing requirements.A. oftenB. mustC. wasD. is u sually4. We will have to _____ to better a nd better solutions as we generate more i nformation.A. repeat many timesB. iteratingC. iterateD. try ways5. If a product configuration is ___ ____ specified and then examined to dete rmine whether the performance requirem ents are met.A. finallyB. tentativelyC. tempo raryD. have been6. Manufacturing can be defined as the _____ of raw materials into useful pr oducts through the use of the easiest and lest-expensive methods.A. transformationB. processing C . process D. transforming7. The planer and knee types of milli ng machine is _____ because of its flexib ility.A. used most commonlyB. most popularC. the most commonly usedD. most powerful8. As a result, the system will vibrate at the frequency of the _____ force reg ardless of the initial conditions or natural frequency of the system.A. actionB. excitationC. outD. act9. Before two components are asse mbled together, the relationship between the dimensions of the mating surfaces___ ____.A. must be giving outB. should p rinted clearlyC. must be specifiedD. should be clearly noted10. The main practical advantage of lower pairs is their better ability to trap lu bricant between their ______ surfaces.A. envelopingB. matingC. outerD. outside11. The word______ itself usually r efers to the deterioration of metals and ce ramics, while similar phenomena in plast ics generally called ______.A. recrystallization…. corrosionB. recrystallization…degradationC. degradation…corrosio nD. corrosion… degradation12. Most frames _______ cast iron, weld steel, composition, or concrete.A. are made fromB. are made up ofC. was produced byD. was consist of13. Rotating shafts particularly those that run at high speeds, must be designe d to avoid operation at ______ speeds.A . lowB .overload C. cri tical D. hollow14. Although cast iron is a fairly che ap material, each casting requires a ____ __ 。

A. patternB. modelC. moldD. patent15. The term ______ is used to desc ribe joints with surface contact, as with a pin surrounded by a hole.A. high pairB. low pairC. surface pairD. rotary pair二、阅读理解(每小题2分，共40分)ALassie was a big dog. She was very clev er. She was always helping someone.Once some bad men took some money f rom an old man. They tied him up with a rop e and left him on the floor. They kept Lassie in another room. Lassie tried to open the doo r of the room. But she could n’t. There was a large window in the room, but it was too hig h for Lassie to reach. She pulled a chair over to window and stood on it. She pushed and pulled and pulled at the window and at last g ot it open. With a great jump, she got out.Lassie came back into the house and fo und the room where the old man was left. Sh e untied the rope round the old man’s arms a nd legs. Then she helped him out of the hous e and down the road to the nearest house.( )16. Lassie was ______.A. a babyB. a catC. a dogD.a girl( )17. Once some bad men tool some money from ______.A. a young manB. a young woma nC. an old womanD. an old man( )18. Lassie ______ the door of the ro om.A. didn’t openB. openedC. shu tD. d idn’t shut( )19.______ untied the old man.A.A girlB. A catC. A womanD. Lassie( )20. ______ caught the bad men.A. The dogB. LassieC. The pol icemenD. The girlBMr. George works at the school lost and found. He works very carefully. Every day, when he gets a lost thing, he takes notes abo ut it. There are pens, books, school uniforms, keys, walkmans and many other things in th e lost and found. Most of them are the stude nts’. If you lose your things, it’s easy for you to go to the lost and found for help. But you must tell Mr. George what it is and its color and the day when you can’t find it. I think M r. George is very helpful, and you will be ha ppy when you find the lost there.( )21 .Who works at the school lost an d found?A. Mr. BrownB. Mr. KingC. Mr. G eorgeD. Nobody( )22 .There are ________ things in th e lost and found.A. noB. fewC. a fewD. many( )23. Most things Mr. George takes ca re of are the ________.A. boys’B. gir ls’C. students’D. te achers’( )24 .If you lose your things, you’d be tter go to ask ________.A. BenB. Mr. GeorgeC. your teach erD. your parents( )25.If you lose your things and go to the lost and found for help, you needn’t tell Mr.George ________.A. What it isB. how much it isC. it s colorD. the day when you lost it.CThe students were having their chemistr y（化学）class. Miss Li was telling the children what water was like. After that，she asked her students，"What’s water？”No one spoke for a few minutes．Miss Li as ked again，“Why don’t you answer my question？Didn’t I tell you what water is like？”Just then a boy put up his hand and said ，“Miss Li，you told us that water has no colour and no s mell．But where to find such kind of water？The water in the river behind my house is al ways black and it has a bad smell．”Most of the children agreed with him．“I’m sorry，children．”said the teacher，“Our water is getting dirtier and dirtier．T hat’s a problem．( )26.The students were having their _ ______ class．A．English B．Chinese C．chemi stry D．maths( )27．Miss Li was telling the childre n what ______ was like．A．water B．air C．earth D．w eather( )28．A boy said，”The water in the river behind my house is al ways _______．”A．white B．black C．clean D ．clear( )29．Most of the children _______ t he boy．A．agreed with B．wrote to C．he ard from D．sent for( )30．The water in the river has colo ur and smell because it is getting _______．A．more and more B．less and lessC．cleaner and cleaner D．dirtier and dirtierDWorking drawings are the complete set of standardized drawings specifying the man ufacture and assembly of a product based on its design. The complexity of the design dete rmines the number and types of drawings. W orking drawings may be on more than one sh eet and may contain written instructions call ed specifications.Working drawings are blueprints used for manufacturing products. Therefore, the set of drawings must:(a) completely desc ribe the parts, both visually and dimensionall y;(b)show the parts in assembly;(3)identify a ll the parts; and (4)specify standard parts. Th e graphics and text information must be suffi ciently complete and accurate to manufactur e and assemble the product without error.Ge nerally, a complete set of Working drawings for an assembly includes:(1) Detail drawings of each nonstandard parts.(2) An assembly or subassembly drawing showing all the standard and nonstandard p arts in a single drawing.(3) A bill of materials (BOM).(4) A title block.A detail drawing is a dimensioned, mult iview drawing of a single part, describing th e part’s shape, size, material, and surface roughnes s, in sufficient detail for the part to be manuf actured based on the drawing alone. Detail d rawings are produced from design sketches o r extracted from 3-D computer models. They adhere strictly to ANSI standards and the sta ndard for the specific company, for dimensio ning, assigning part numbers, notes, toleranc es, etc.In an assembly, standard parts such as t hreaded fasteners and bearings are not drawn as details, butare shown in the assembly vie w. Standard parts are not drawn as details be cause they are normallypurchased, not manu factured, for assembly.For large assemblies or assembled with large parts, details are drawn on multiple she ets, and a separate sheet is used for the asse mbly view. If the assembly is simple or the p arts are small, detail drawings for each part o f an assembly can be placed on a single sheet .Multiple details on a sheet are usually d rawn at the same scale. If different scales are used, they are clearly marked under each det ail. Also, when more than one detail is place d on a sheet, the spacing between details is c arefully planned, including leaving sufficient room for dimensions and notes.31. Based on the message, which of the follow is wrong ?A) standard parts needn’t drawn as detailsB) for simple parts, sometimes needn’t to draw the detail working drawingC) for large assemblies details may dra wn on multiple sheetsD) If different scales used in a single sh eet, they should clearly marked under each d etail32. Working drawings for an assembly MAY NOT includes: ?A) BOM B) title bloc kC) An assembly or subassembly drawi ngD) Detail drawings of all parts.33. For detail drawing, Which one of the following statement is not true ?A) should not has different scalesermodels.ltiview drawing of a single partD) should Adhere strictly to ANSI stan dards34. From the message we can infer AN SI is______?A) a set of law B) a set of notificati onC) an Organization D) IEEE governm ent35. The topic of the message is______A) How to design working drawings.B) working drawing’s character and the key influence of how to d raw a working drawingC) In the design process, what should b e considered?D) What is working drawing三、长句翻译(每小题5分，共10分)1.A gear can be gripped axially betweena shoulder on the shaft and a spacer, withtorque being transmitted through a key.译文：2.One or more members such as gears, sprockets, pulleys, and cams are usually atta ched to the shaft by means of pins, keys, spli nes, snap rings, and other devices.译文：四、词汇翻译(每小题2分，共20分)（见答题卡）答题卡学号姓名班级年级一、单选题(每小题2分，共30分)二、阅读理解(每小题2分，共40分)三、长句翻译(每小题5分，共10分)1、译文：一个齿轮可以用轴肩和挡圈进行轴向固定，并通过键来传递.2、译文：一个或多个诸如齿轮，链轮，皮带轮和凸轮等类的构件通常借助于销、键、花键、卡环或其它装置连接到轴上。