工程应用英语课程一单选题：1. Computers are(B. useless)unless they are given clear and accurate instructions and information.2. Active (B. Recruiting) for engineers often begins before the students last year in the university.3. For the student who is preparing to become a (C. Civilengineer), these specialized courses may deal with such subjects as geodetic surveying, soil mechanics.4. The civil engineer may work in research, design, construction,(B. Supervision), maintenance, or even in sales.5. Civil engineers work on many different kinds of (C. Structures).6. In designing buildings, civil engineers often work as (B. Consultants) to architectural or construction firms.7. Dams, bridges and other large projects ordinarily employ several engineers whose work is coordinated by a (D. Systems) engineer who is in charge of the entire project.8. Construction is a(B. Complicated) process on almost all engineering projects.9. In compression, the material is (C. Pushed) together.10. When a saw cuts easily through a piece of wood, the wood is (A. in tension).11. We defined (D. Shear) as the tendency of a material to fracture along the lines of stress. 12. The principal construction materials of earlier times were wood and (C. masonry brick),stone, or tile, and similar materials.13. Modern cement is a mixture of(B. limestone and clay).14. Concrete is very (D. Versatile)15. Steel has great tensile strength while concrete has great compressive strength, thus, the two substances (C. Complement) each other.16. One system that helps (A. Cut) concrete weight to some extent uses polymers.17. The retention money serves to insure (D. the employer)against any defects that may arise in the work.18. The civil engineering work must be completed to the satisfaction of the employer, or his (D. Representative)19. For moderate and longer hauls, self-loading scrapers pulled by rubber-tired hauling units and push-loaded by tractors offer(B. Lower) cost.20. Highway maintenance activities can be grouped and classified according (D. to)the purpose of the treatment.21. Engineering is a profession, which means that an engineer must have a specialized(Duniversity )education. 22. In most cases, the tender may be(BWithdrawn)at any time until it has been accepted.23. Current trend is to require students to take courses in the(C.social)science and the language arts.24. The law relating to contracts imposes on each party to a contract (D. a legal obligation) to perform. 25. Indeed, the civil engineers choice is(C. large)and varied.26. Roadbeds (B. underlie) highway pavement structures and the ballast and track on which trains move.27. Construction can be very (A. dangerous).28. Where material is moved less than about 60m or steeply downhill, drifting with a track or wheel type bulldozer is (A. cheapest) 29. Thrust is the pressure exerted by each part of a structure on (A. its other part) 30. The weight of all the people, cars, furniture, and machines and so on that the structure will support when it is in use is (B. live load)31. In tension, the material is(B. pulled apart)32. In fills constructed by end dumping or by placing in thick layers, material, density, and moisture content could (C. vary) greatly from one spot to another.33. Both (A. steel and cement), the two most important construction materials of modern times, were introduced in the nineteenth century.34. The total station is used to measure angles in both vertical and horizontal planes, and the level to measure (C. elevation difference)35. The (B. defective )vehicle is a creator of accidents.36. Prestressed concrete is an (B. improved )form of reinforcement.37.A simple contract consists of an agreement entered into by( D. two or more parties)38.(B. Volume) change would result in differential settlement or swell between adjacent areas.39. There are two basic procedures for controlling the embankment density: manner and method and (A. result ).40.A main source of accidents, the problem of(C. drunken)driving is the most serious of all.41. Computer programming is now included in almost all engineering(B. curricula).42. The relationship between engineering and society is getting( C. Closer)43. Types of contracts are virtually classified by their(D. payment)system: (1) price-based and (2) cost-based.44. Computers cant solve complicated problems unless they are given( D. a good program) 45. In recent years, rippers have been used successfully to( C. break up)loose or fractured rock.46. Civil engineering projects are almost always (A. distinctive) 47. Usually there are (C. no)easy answers on equipment selection.48. (A. Vertical)force acts up and down.49. Layered construction also produced greater uniformity in the material( D. itself)and in its density and moisture content.50. The actual cost of any single highway traffic accident is extremely( C. difficult )to determine.51. Basically, c