1. The use of atomic energy will _____ the lives of coming generations.A) revolveB) revolutionizeC) resolveD) reserve2. The doctor _____ me to the dangers of smoking.A) informedB) alertedC) warnedD) cautioned3. All work and no play makes Jack a _____ boy.A) monotonousB) boringC) tediousD) dull4. The _____ domestic product of this year is two times as high as that of last year.A) coarseB) crudeC) grossD) raw5. I may sense the enthusiasm from his youthful _____ voice.A) vibrantB) shiveringC) shakingD) vicious6. Features such as height, weight, and skin color _____ from individual to individual and from face to face.A) changeB) varyC) alterD) convert7. The engineer explained the plane’s technical _____.A) capacityB) capabilityC) abilityD) competence8. The _____ of new scientific discoveries to industrial production methods increases efficiency.A) applicationB) applauseC) applicantD) appliance9. The army was poised _____ a major attack.A) toB) forC) withD) on10. Parents ____ some of their characteristics to their children.B) transplantC) transportD) transform11. Doctors are interested in using lasers as a surgical tool in operation on people who are ____ to heart attack.A) infectiousB) poisedC) accessibleD) prone12. I had eaten Chinese food often, but I could not have imagined how _____ and extravagant a real Chinese banquet could be.A) prominentB) fabulousC) handsomeD) graceful13. They are _____ investors who always make thorough investigations before making a decision.A) erraticB) consciousC) cautiousD) prompt14. It is impossible to _____ with a person whose methods are completely opposed to your own.A) contactB) connectC) cooperate15. She _____ a little money from her grandfather abroad when he died two years ago.A) acquiredB) inheritedC) ownedD) received16. Because of _____, the population of this country has been increasing fast.A) immigrantB) immigrationC) emigrationD) migration17. Domestic ____ such as vacuum cleaners and washing machines make housework much easier.A) appliancesB) equipmentC) facilitiesD) installation18. There were ten serious _____ in the train crash.A) casualnessB) casualtiesC) incidentsD) accidents19. The price of vegetables _____ according to the weather.A) wavesB) vibratesC) swingsD) fluctuates20. She once again went through her composition carefully to _____ all spelling mistakes.A) withdrawB) eliminateC) abandonD) diminish21. The mechanic examined the car engine _____ but could find nothing wrong with it.A) exactlyB) thoroughlyC) approximatelyD) precisely22. If nothing is done to protect the environment, one million species that are alive today will have become _____.A) distinctB) extinctC) distinguishedD) extinguished23. In the past few years, my brother has obtained a _____ return on his wise stock investment.A) handsomeB) lucrativeC) beneficialD) profitable24. After all, primitive man used his early stone tools for thousands of years, ___ without change.A) consequentlyB) virtuallyC) approximatelyD) inevitably25. Can you give me an _____ of how much it will cost to repair the car?A) evaluationB) assessmentC) appraisalD) estimate26. He wanted to become a writer, but his father didn’t think it was a _____ profession.A) respectedB) respectfulC) respectiveD) respectable27. These studies will lead to an _____ of our knowledge of the Bronze Age.A) extensionB) expansionC) exaggerationD) extraction28. As he spoke of his dead mother his voice began to ____ and tears came to his eyes.A) trembleB) shiverC) vibrateD) wave29. A couple of _____ readers wrote in to the paper pointing out the mistake.A) alertB) sensibleC) smartD) intelligent30. She has many _____, including a sick husband and very little money.A) challengesB) assignmentsC) requirementsD) burdens31. Some of the strongest anti-smoking campaigns try to completely ____ cigarette smoking.A) eliminateB) blockadeC) withstandD) transform32. Achieving a high degree of proficiency in English as a foreign language is not a mysterious ____ without scientific basis.A) processB) projectC) procedureD) prototype33. The artist rented a large dirty attic, which he ______ into a studio.A) rotatedB) renewedC) modifiedD) converted34. When a psychologist does a general experiment about the human mind, he selects people _____ and asks them questions.A) at lengthB) at randomC) in essenceD) in bulk35. The fire caused great casualties, but the factory tried to _____ the consequences by saying that it was not so serious as reported.A) decreaseB) subtractC) minimizeD) degrade36. After doing odd jobs for a month, he got a _____ position as an office boy.A) proficientB) permanentC) preliminaryD) primitive37. Lottery tickets have been issued by the Government _____ the Sports Council.A) in accordance withB) in cooperation withC) in tune withD) in comparison with38. Science has a strong _____ on everyday life.A) motivationB) perspectiveC) impressionD) impact39. The plane will be landing in ______ 20 minutes.A) abruptlyB) inclusivelyC) exclusivelyD) approximately40. Radar is used to extend the _____ of man’s senses, especially the sense of vision.A) validityB) liabilityC) capabilityD) intensity。