职称英语考试理工a2018答案|2017年职称英语考试理工类A级备考词汇选项练习(2)

1 The price of vegetables fluctuates according to the weather. 　　A jumps B rises 　　C falls D changes 　　2 Did you do that to irritate her? 　　A tease B attract 　　C annoy D protect 　　3 Mary looked pale and weary. 　　A illB tired 　　C worriedD peaceful 　　4 The water in this part of the river has been contaminated by sewage (污水). 　　A polluted B downgraded 　　C mixedD blackened 　　5 Her treatment of the subject is exhaustive. 　　A very boring B very thorough 　　C very interesting D very touching 　　参考答案：1. D 2. C 3. B 4. A 5. B

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