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Multiple Choice
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1. Lubricate
handle or treat skillfully ماهرانه برخورد یا رفتار کردن a. Scientists must know how to manipulate their microscopes. b. While Mr. Baird manipulated the puppets, Fran spoke to the audience. c. The wounded pilot manipulated the radio dial until he made contact.
having great mental ability; clever داری توانایی ذهنی زیاد ، زرنگ a. Bernie devised an ingenious plan to cheat on his income tax. b. Rube Goldberg was a journalist who won fame for his ingenious inventions. c. The master spy had an ingenious way of passing secrets to the agent.
estimate of the amount of money that can be spent for different purposes in a given time تخمین مقدار پولی که می توان در زمان مشخصی برای اهداف مختلف خرج کرد a. We had to decrease the budget this year because our club is broke. b. The prominent executive presented her budget to the Board of Directors. c. When my mother draws up her budget for the week, she sets aside a goodly sum for nourishing food.
make (machinary) smooth and easy to work by putting on oil, grease, or a similar substance با قرار دادن روغن ، گریس و مواد مشابه ، کار با ماشین آلات را راحت و هموار کردن ، روغن کاری کردن a. The bulky wheels of a railroad train must be lubricated each week. b. A large quantity of grease is needed to lubricate an airplane engine. c. When a watch is lubricated, it keeps more accurate time.
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