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241. Circus tigers, although they have been tamed, can _____ attack their   trainer.
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   A. unexpectedly    B. deliberately  C. reluctantly     D. subsequently  [答案]    242. Stressful environments lead to unhealthy behaviors such as poor eating   habits, which _____ increase the risk of heart disease.  A. in turn  B. in return  C. by chance D. by turns  [答案]  243. The patients believe that the doctor knows exactly how to put them _____.  A. correct    B. perfect    C. right    D. well  [答案]  244. They decided to leave the waiter a big _____ because the food and service had been excellent.  A. note    B. reward    C. tip    D. gift  [答案]  245. And you find that you're not to be _____ with a position of real   responsibility.  A. offered  B. trusted   C. furnished D. retained  [答案]  246. There was a good _____ of the countryside from the front of the bus.  A. sight    B. view    C. scene    D. scenery  [答案]    247. In aerospace devices the weight of the necessary power producing   equipment is _____.  A. vital    B. possible    C. capable    D. reliable  [答案]  248. This album is _____ as it was the only one ever signed by the President.  A. unusual    B. unique    C. rare    D. special  [答案]  249. Trains stop here in order to _____ passengers only.  A. get off    B. pick up    C. pull up    D. pull in  [答案]  250. He _____ the place where he had been bitten by an insect.  A. snatched B. scratched  C. squeezed  D. stretched  [答案]  251. It is not profitable to provide bus services in districts where the population   is widely _____.  A. scattered  B. dismissed  C. separated  D. spread  [答案]  252. There are usually at least two _____ of looking at every question.  A. ways    B. directions    C. views    D. opinions  [答案]  253. He left in such a hurry that I _____ had time to thank him.  A. almost    B. even    C. nearly    D. scarcely  [答案]  254. As more and more cars are produced and used, so the _____ from their   exhaust-pipes contains an even larger volume of poisonous gas.  A. exposure  B. distribution  C. expansion  D. emission  [答案]  255. The book seems to have been _____ from various books and articles.  A. pieced together    B. taken off  C. broken away        D. pulled out  [答案]  256. We had a marvelous holiday: only the last two days were slightly _____   by the weather.  A. damaged    B. hurt    C. ruined    D. spoiled  [答案]  257. I could tell he was surprised from the _____ on his face.  A. appearance    B. view    C. sight    D. expression  [答案]  258. I'd like to take _____ of this opportunity to thank you all for your   cooperation.  A. profit  B. benefit  C. advantage  D. interests  [答案]  259. If you ever have the _____ to go abroad to work, you should take it.  A. possibility    B. offer    C. luck   D. chance  [答案  260. Scientists think they have _____ in their attempt to find the causes of some major dieases.  A. broken through    B. worked out  C. fallen out        D. got round  [答案]       | 
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