1. The machine needs a complete ____ since it has been in use for over ten years. (A) amending (B)fitting (C) mending (D) renovating
2. There were many people present and he appeared only for a few seconds, so I only caught a ____ of him. (A) glance (B) glimpse (C) look (D) sight 3. I don’t think it’s wise of you to _____your greater knowledge in front of the director, for it may offend him. (A) show up (B) show out (C) show in (D) show off 4. The returns in the short ______ may be small, but over a number of years the investment will be well repaid. (A) interval (B) range (C) span (D) term 5. A thorough study of biology requires _____with the properties of trees and plants, and the habit of birds and beasts. (A) acquisition (B) discrimination (C) curiosity (D) familiarity 6. She worked hard at her task before she felt sure that the results would ____ her long effort. (A) justify (B) testify (C) rectify (D) verify 7. I’m very glad to know that my boss has generously agreed to _____ my debt in return for certain services. (A) take away (B) cut out (C) write off (D) clear up 8. Some journalists often overstate the situation so that their news may create a great ____. (A) explosion (B) sensation (C) exaggeration (D) stimulation 9. According to what you have just said, am I to understand that his new post ____ no responsibility with it at all ? (A)shoulders (B) possesses (C) carries (D)shares 10.Sometimes the student may be asked to write about his ____to a certain book or article that has some bearing on the subject being studied. (A) comment (B) reaction (C) impression (D) comprehension 11. Please ____yourself from smoking and spitting in public places, since the law forbids them. (A) restrain (B) hinder (C) restrict (D) prohibit 12. Without telephone it would be impossible to carry on the functions of ______ every business operation in the whole country. (A) practically (B) preferably (C) precisely (D) presumably 13. Preliminary estimation puts the figure at around billion, ____the billion the President is struggling to get through the Congress. (A) in proportion to (B) in reply to (C) in relation to (D) in contrast to 14. He is planning another tour abroad, yet his passport will ______ at the end of this month. (A) expire (B) exceed (C) terminate (D) cease 15. All the off-shore oil explorers were in high spirits as they read ________ letters from their families. (A) sentimental (B) affectionate (C) intimate (D) sensitive 16. several international events in the early 1990s seem likely to ______, or at least weaken, the trends that emerged in the 1980s. (A) revolt (B) revolve (C) reverse (D) revive 17. I was unaware of the critical points involved, so my choice was quite ______. (A) arbitrary (B) rational (C) mechanical (D) unpredictable 18.The local people were joyfully surprised to find the price of vegetables no longer ______according to the weather. (A) altered (B) converted (C) fluctuated (D) modified 19.The pursuit of leisure on the part of the employees will certainly not _____ their prospect of promotion. (A) spur (B) further (C) induce (D) reinforce 20. In what _______ to a last minute stay of execution, a council announced that emergency funding would keep alive two aging satellites. (A) applies (B) accounts (C) attaches (D) amount