I am sure that with your remarkable ability and rich experience, the current session you ______ over will be a success. A. presume B. propel C. preside D. prick 2. Although cats cannot see in complete darkness, their eyes are much more ______ to light than human eyes. A. glowing B. sensitive C. brilliant D. gloomy 3. Every year schools all over the country will ______ new students the first week in September. A. absorb B. include C. enroll D. register 4. If you want to clarify the fact, you need two witnesses to ______ that this is your signature. A. notify B. certify C. assure D. assume 5. Some taxonomists, particularly those working in herbaria and providing an identification service, do need such ______. A. approach B. confidence C. faith D. expertise 6. ______ his pioneering work in the late 1930’s, Earl Hines has been called the father of modern jazz piano. A. As a result of B. In support of C. In the interest of D. For the sake of 7. A society is ______ only when the humblest and weakest person can enjoy the highest civil, economic, and social rights that the privileged and most powerful possess. A. conflicting B. friendly C. democratic D. hostile 8. He had wanted a 25% raise in pay, but after taking to his boss, he decided that a 5% raise would ______. A. suffice B. modify C. gratify D. delight 9. Those who ______ energetically into the matter have prospects of finding other more convenient solutions. A. wander B. penetrate C. concentrate D. emphasize 10. Falling into a nervous, feverish doze soon thereafter, he found himself dreaming of a ______ black dog that was trying to bite him. A. profound B. merciful C. prospective D. savage 11. Dr. Hill has just received an invitation from Washington University to join the ______ as a fulltime professor. A. committee B. association C. institution D. faculty 12. Snakebites are not ______ fatal, but they can sometimes cause death if not treated immediately. A. occasionally B. inevitably C. ever D. never 13. With data freely ______ for reanalysis, it is of utmost importance to all of us not to be proven wrong by subsequent analysis. A. dreadful B. handful C. useful D. available 14. The earthquake ______ enormous tsunamis(海啸) that flood coastal regions a thousand or more miles away. A. generates B. runs C. draws D. lifts 15. His speech rambled on for half an hour, but the ______ of what he had said was that too many people had too little money. A. material B. purpose C. essence D. content 16. That was a(n) ______ remark for him to make, and all of us who knew him well didn’t know why. A. easy B. peculiar C. timid D. obscure 17. Our knowledge of dinosaurs is wholly ______ from the bones that have been found here and there buried in the ground. A. acquired B. retained C. absorbed D. sought 18. She wondered whether triangles, which had only three sides, were ______ as polygons, which she thought of as many-sided. A. qualified B. theorized C. estimated D. multiplied 19. There is no perfect trading system, and each of the proposed ones has its ______. A. limits B. borders C. frontiers D. limitations 20. Henry will not be able to attend the meeting tonight because ______ a class then. A. he must be teaching B. he will be teaching C. he will have taught D. of him has to teach 21. According to some educators, the goal of teaching is to help students learn what ______ to know to live a well-adjusted and successful life. A. do they need B. they need C. they are needed D. as they may need 22. I wish I hadn’t been so busy yesterday, otherwise I ______ you with the cleaning. A. will have helped B. should help C. could have helped D. could help 23. Just as the builder is skilled in the handling of his bricks, ______ the experienced writer is skilled in the handling of his words. A. as B.so C. thus D. like 24. James has just arrived, but I didn’t know he ______ until yesterday. A. was coming B. came C. had been coming D. will come 25. The Internet was first started by the U.S. army ______ a communication system. A. in B. for C. with D. as 26. “I’m really tired and there are so many things to do.” “Well, if it would be ______ any help, I would do some cooking.” A. in B. of C. with D. for 27. I ______ of going up to Scotland at the end of December, but I’ve only got a few days’ holiday. A. think B. have thought C. will think D. am thinking 28. Throw some bits of bread in the pond. Fish ______ and eat it. A. are going to come B. will come C. are to come D. were coming 29. To fit in with the development of the market economy, factories should guarantee ______ high speed ______ good quality. A. either...or B. not...but also C. both...and D. neither...nor 30. If there ______ peace, we must try in every way to prevent war. A. is to be B. will be C. should be D. is going to be A. 1. C  2. B  3. C  4. B  5. D  6. A  7. C  8. A  9. B  10. D  11. D  12. B  13. D  14. A  15. C  16. B  17. A  18. A  19. D  20. B   21. B  22. C  23. B  24. A  25. D  26. B   27. D  28. B  29. C  30. A