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　　在雅思考试中经常会出现词汇题，如果大家词汇掌握的不熟练，这部分是很容易丢分的。今天小编为大家带来的是练习题，大家可以练习一下，同时也可以参考一下答案，检查一下自己哪些题目还没有掌握。
　　1. When carbon is added to iron in proper ______the result is steel.A) rates B) thicknesses C) proportions D) densities
　　2. You should try to ______ your ambition and be more realistic.A) reserve B) restrain C) retain D) replace
　　3. Nancy is only a sort of ______ of her husband's opinion and has no ideas of her own.A) sample B) reproduction C) shadow D) echo
　　4. Now that spring is here, you can ______ these fur coats till you need them again next winter.A) put over B) put away C) put off D) put down
　　5. There is a _____ of impatience in the tone of his voice.A) hint B) notion C) dot D) phrase
　　6. Please ______dictionaries when you are not sure of word spelling or meaning.A) seek B) inquire C) search D) consult
　　7. At yesterday's party, Elizabeth's boyfriend amused us by ______ Charlie Chaplin.A) copying B) following C) imitating D) modeling
　　8. She keeps a supply of candles in the house in case of power ______.A) failure B) lack C) absence D) drop
　　9. The group of technicians are engaged in a study which ______ all aspects of urban planning.A) inserts B) grips C) performs D) embraces
　　10. The lecture which lasted about three hours was so ______ that the audience couldn't help yawning.A) tedious B) bored C) clumsy D) tired
　　11. The board of the company has decided to ______ its operations to include all aspects of the clothing business.A) multiply B) lengthen C) expand D) stretch
　　12. His business was very successful, but it was at the ______ of his family life.A) consum ption B) credit C) exhaustion D) expense
　　13. First published in 1927, the charts remain an ______ source for researchers.A) identical B) indispensable C) intelligent D) inevitable
　　14. Joe is not good at sports, but when it ______mathematics, he is the best in the class.A) comes to B) comes up to C) comes on to D) comes around to
　　15. Doctors warned against chewing tobacco as a ______ for smoking.A) relief B) revival C) substitute D) succession
　　参考答案：
　　1.C) proportions 2.B) restrain 3.D) echo 4.B) put away 5.A) hint 6 D) consult 7. C) imitating 8.A) failure 9.D) embraces 10.A) tedious 11.C) expand 12. D) expense 13.B) indispensable 14.A) comes to 15.C) substitute