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　　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

　　243. The patients believe that the doctor knows exactly how to put them _____.

　　A. correct B. perfect C. right D. well

　　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

　　245. And you find that you're not to be _____ with a position of real responsibility.

　　A. offered B. trusted C. furnished D. retained

　　246. There was a good _____ of the countryside from the front of the bus.

　　A. sight B. view C. scene D. scenery

　　247. In aerospace devices the weight of the necessary power producing equipment is _____.

　　A. vital B. possible C. capable D. reliable

　　248. This album is _____ as it was the only one ever signed by the President.

　　A. unusual B. unique C. rare D. special

　　249. Trains stop here in order to _____ passengers only.

　　A. get off B. pick up C. pull up D. pull in

　　250. He _____ the place where he had been bitten by an insect.

　　A. snatched B. scratched C. squeezed D. stretched

　　251. It is not profitable to provide bus services in districts where the population is widely _____.

　　A. scattered B. dismissed C. separated D. spread

　　252. There are usually at least two _____ of looking at every question.

　　A. ways B. directions C. views D. opinions

　　253. He left in such a hurry that I _____ had time to thank him.

　　A. almost B. even C. nearly D. scarcely

　　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

　　255. The book seems to have been _____ from various books and articles.

　　A. pieced together B. taken off C. broken away D. pulled out

　　256. We had a marvelous holiday: only the last two days were slightly _____ by the weather.

　　A. damaged B. hurt C. ruined D. spoiled

　　257. I could tell he was surprised from the _____ on his face.

　　A. appearance B. view C. sight D. expression

　　258. I'd like to take _____ of this opportunity to thank you all for your cooperation.

　　A. profit B. benefit C. advantage D. interests

　　259. If you ever have the _____ to go abroad to work, you should take it.

　　A. possibility B. offer C. luck D. chance

　　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

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